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TOMOYO Linux Cross Reference
Linux/crypto/testmgr.c

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  1 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  * Algorithm testing framework and tests.
  4  *
  5  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
  6  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
  7  * Copyright (c) 2007 Nokia Siemens Networks
  8  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
  9  * Copyright (c) 2019 Google LLC
 10  *
 11  * Updated RFC4106 AES-GCM testing.
 12  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
 13  *             Adrian Hoban <adrian.hoban@intel.com>
 14  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
 15  *             Tadeusz Struk (tadeusz.struk@intel.com)
 16  *    Copyright (c) 2010, Intel Corporation.
 17  */
 18 
 19 #include <crypto/aead.h>
 20 #include <crypto/hash.h>
 21 #include <crypto/skcipher.h>
 22 #include <linux/err.h>
 23 #include <linux/fips.h>
 24 #include <linux/module.h>
 25 #include <linux/once.h>
 26 #include <linux/random.h>
 27 #include <linux/scatterlist.h>
 28 #include <linux/slab.h>
 29 #include <linux/string.h>
 30 #include <linux/uio.h>
 31 #include <crypto/rng.h>
 32 #include <crypto/drbg.h>
 33 #include <crypto/akcipher.h>
 34 #include <crypto/kpp.h>
 35 #include <crypto/acompress.h>
 36 #include <crypto/internal/cipher.h>
 37 #include <crypto/internal/simd.h>
 38 
 39 #include "internal.h"
 40 
 41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
 42 
 43 static bool notests;
 44 module_param(notests, bool, 0644);
 45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
 46 
 47 static bool panic_on_fail;
 48 module_param(panic_on_fail, bool, 0444);
 49 
 50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 51 static bool noextratests;
 52 module_param(noextratests, bool, 0644);
 53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
 54 
 55 static unsigned int fuzz_iterations = 100;
 56 module_param(fuzz_iterations, uint, 0644);
 57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
 58 #endif
 59 
 60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
 61 
 62 /* a perfect nop */
 63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
 64 {
 65         return 0;
 66 }
 67 
 68 #else
 69 
 70 #include "testmgr.h"
 71 
 72 /*
 73  * Need slab memory for testing (size in number of pages).
 74  */
 75 #define XBUFSIZE        8
 76 
 77 /*
 78 * Used by test_cipher()
 79 */
 80 #define ENCRYPT 1
 81 #define DECRYPT 0
 82 
 83 struct aead_test_suite {
 84         const struct aead_testvec *vecs;
 85         unsigned int count;
 86 
 87         /*
 88          * Set if trying to decrypt an inauthentic ciphertext with this
 89          * algorithm might result in EINVAL rather than EBADMSG, due to other
 90          * validation the algorithm does on the inputs such as length checks.
 91          */
 92         unsigned int einval_allowed : 1;
 93 
 94         /*
 95          * Set if this algorithm requires that the IV be located at the end of
 96          * the AAD buffer, in addition to being given in the normal way.  The
 97          * behavior when the two IV copies differ is implementation-defined.
 98          */
 99         unsigned int aad_iv : 1;
100 };
101 
102 struct cipher_test_suite {
103         const struct cipher_testvec *vecs;
104         unsigned int count;
105 };
106 
107 struct comp_test_suite {
108         struct {
109                 const struct comp_testvec *vecs;
110                 unsigned int count;
111         } comp, decomp;
112 };
113 
114 struct hash_test_suite {
115         const struct hash_testvec *vecs;
116         unsigned int count;
117 };
118 
119 struct cprng_test_suite {
120         const struct cprng_testvec *vecs;
121         unsigned int count;
122 };
123 
124 struct drbg_test_suite {
125         const struct drbg_testvec *vecs;
126         unsigned int count;
127 };
128 
129 struct akcipher_test_suite {
130         const struct akcipher_testvec *vecs;
131         unsigned int count;
132 };
133 
134 struct kpp_test_suite {
135         const struct kpp_testvec *vecs;
136         unsigned int count;
137 };
138 
139 struct alg_test_desc {
140         const char *alg;
141         const char *generic_driver;
142         int (*test)(const struct alg_test_desc *desc, const char *driver,
143                     u32 type, u32 mask);
144         int fips_allowed;       /* set if alg is allowed in fips mode */
145 
146         union {
147                 struct aead_test_suite aead;
148                 struct cipher_test_suite cipher;
149                 struct comp_test_suite comp;
150                 struct hash_test_suite hash;
151                 struct cprng_test_suite cprng;
152                 struct drbg_test_suite drbg;
153                 struct akcipher_test_suite akcipher;
154                 struct kpp_test_suite kpp;
155         } suite;
156 };
157 
158 static void hexdump(unsigned char *buf, unsigned int len)
159 {
160         print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
161                         16, 1,
162                         buf, len, false);
163 }
164 
165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
166 {
167         int i;
168 
169         for (i = 0; i < XBUFSIZE; i++) {
170                 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
171                 if (!buf[i])
172                         goto err_free_buf;
173         }
174 
175         return 0;
176 
177 err_free_buf:
178         while (i-- > 0)
179                 free_pages((unsigned long)buf[i], order);
180 
181         return -ENOMEM;
182 }
183 
184 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
185 {
186         return __testmgr_alloc_buf(buf, 0);
187 }
188 
189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
190 {
191         int i;
192 
193         for (i = 0; i < XBUFSIZE; i++)
194                 free_pages((unsigned long)buf[i], order);
195 }
196 
197 static void testmgr_free_buf(char *buf[XBUFSIZE])
198 {
199         __testmgr_free_buf(buf, 0);
200 }
201 
202 #define TESTMGR_POISON_BYTE     0xfe
203 #define TESTMGR_POISON_LEN      16
204 
205 static inline void testmgr_poison(void *addr, size_t len)
206 {
207         memset(addr, TESTMGR_POISON_BYTE, len);
208 }
209 
210 /* Is the memory region still fully poisoned? */
211 static inline bool testmgr_is_poison(const void *addr, size_t len)
212 {
213         return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
214 }
215 
216 /* flush type for hash algorithms */
217 enum flush_type {
218         /* merge with update of previous buffer(s) */
219         FLUSH_TYPE_NONE = 0,
220 
221         /* update with previous buffer(s) before doing this one */
222         FLUSH_TYPE_FLUSH,
223 
224         /* likewise, but also export and re-import the intermediate state */
225         FLUSH_TYPE_REIMPORT,
226 };
227 
228 /* finalization function for hash algorithms */
229 enum finalization_type {
230         FINALIZATION_TYPE_FINAL,        /* use final() */
231         FINALIZATION_TYPE_FINUP,        /* use finup() */
232         FINALIZATION_TYPE_DIGEST,       /* use digest() */
233 };
234 
235 /*
236  * Whether the crypto operation will occur in-place, and if so whether the
237  * source and destination scatterlist pointers will coincide (req->src ==
238  * req->dst), or whether they'll merely point to two separate scatterlists
239  * (req->src != req->dst) that reference the same underlying memory.
240  *
241  * This is only relevant for algorithm types that support in-place operation.
242  */
243 enum inplace_mode {
244         OUT_OF_PLACE,
245         INPLACE_ONE_SGLIST,
246         INPLACE_TWO_SGLISTS,
247 };
248 
249 #define TEST_SG_TOTAL   10000
250 
251 /**
252  * struct test_sg_division - description of a scatterlist entry
253  *
254  * This struct describes one entry of a scatterlist being constructed to check a
255  * crypto test vector.
256  *
257  * @proportion_of_total: length of this chunk relative to the total length,
258  *                       given as a proportion out of TEST_SG_TOTAL so that it
259  *                       scales to fit any test vector
260  * @offset: byte offset into a 2-page buffer at which this chunk will start
261  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
262  *                                @offset
263  * @flush_type: for hashes, whether an update() should be done now vs.
264  *              continuing to accumulate data
265  * @nosimd: if doing the pending update(), do it with SIMD disabled?
266  */
267 struct test_sg_division {
268         unsigned int proportion_of_total;
269         unsigned int offset;
270         bool offset_relative_to_alignmask;
271         enum flush_type flush_type;
272         bool nosimd;
273 };
274 
275 /**
276  * struct testvec_config - configuration for testing a crypto test vector
277  *
278  * This struct describes the data layout and other parameters with which each
279  * crypto test vector can be tested.
280  *
281  * @name: name of this config, logged for debugging purposes if a test fails
282  * @inplace_mode: whether and how to operate on the data in-place, if applicable
283  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
284  * @src_divs: description of how to arrange the source scatterlist
285  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
286  *            for the algorithm type.  Defaults to @src_divs if unset.
287  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
288  *             where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
289  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
290  *                                   the @iv_offset
291  * @key_offset: misalignment of the key, where 0 is default alignment
292  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
293  *                                    the @key_offset
294  * @finalization_type: what finalization function to use for hashes
295  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
296  *          This applies to the parts of the operation that aren't controlled
297  *          individually by @nosimd_setkey or @src_divs[].nosimd.
298  * @nosimd_setkey: set the key (if applicable) with SIMD disabled?  Requires
299  *                 !CRYPTO_TFM_REQ_MAY_SLEEP.
300  */
301 struct testvec_config {
302         const char *name;
303         enum inplace_mode inplace_mode;
304         u32 req_flags;
305         struct test_sg_division src_divs[XBUFSIZE];
306         struct test_sg_division dst_divs[XBUFSIZE];
307         unsigned int iv_offset;
308         unsigned int key_offset;
309         bool iv_offset_relative_to_alignmask;
310         bool key_offset_relative_to_alignmask;
311         enum finalization_type finalization_type;
312         bool nosimd;
313         bool nosimd_setkey;
314 };
315 
316 #define TESTVEC_CONFIG_NAMELEN  192
317 
318 /*
319  * The following are the lists of testvec_configs to test for each algorithm
320  * type when the basic crypto self-tests are enabled, i.e. when
321  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
322  * coverage, while keeping the test time much shorter than the full fuzz tests
323  * so that the basic tests can be enabled in a wider range of circumstances.
324  */
325 
326 /* Configs for skciphers and aeads */
327 static const struct testvec_config default_cipher_testvec_configs[] = {
328         {
329                 .name = "in-place (one sglist)",
330                 .inplace_mode = INPLACE_ONE_SGLIST,
331                 .src_divs = { { .proportion_of_total = 10000 } },
332         }, {
333                 .name = "in-place (two sglists)",
334                 .inplace_mode = INPLACE_TWO_SGLISTS,
335                 .src_divs = { { .proportion_of_total = 10000 } },
336         }, {
337                 .name = "out-of-place",
338                 .inplace_mode = OUT_OF_PLACE,
339                 .src_divs = { { .proportion_of_total = 10000 } },
340         }, {
341                 .name = "unaligned buffer, offset=1",
342                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
343                 .iv_offset = 1,
344                 .key_offset = 1,
345         }, {
346                 .name = "buffer aligned only to alignmask",
347                 .src_divs = {
348                         {
349                                 .proportion_of_total = 10000,
350                                 .offset = 1,
351                                 .offset_relative_to_alignmask = true,
352                         },
353                 },
354                 .iv_offset = 1,
355                 .iv_offset_relative_to_alignmask = true,
356                 .key_offset = 1,
357                 .key_offset_relative_to_alignmask = true,
358         }, {
359                 .name = "two even aligned splits",
360                 .src_divs = {
361                         { .proportion_of_total = 5000 },
362                         { .proportion_of_total = 5000 },
363                 },
364         }, {
365                 .name = "one src, two even splits dst",
366                 .inplace_mode = OUT_OF_PLACE,
367                 .src_divs = { { .proportion_of_total = 10000 } },
368                 .dst_divs = {
369                         { .proportion_of_total = 5000 },
370                         { .proportion_of_total = 5000 },
371                  },
372         }, {
373                 .name = "uneven misaligned splits, may sleep",
374                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
375                 .src_divs = {
376                         { .proportion_of_total = 1900, .offset = 33 },
377                         { .proportion_of_total = 3300, .offset = 7  },
378                         { .proportion_of_total = 4800, .offset = 18 },
379                 },
380                 .iv_offset = 3,
381                 .key_offset = 3,
382         }, {
383                 .name = "misaligned splits crossing pages, inplace",
384                 .inplace_mode = INPLACE_ONE_SGLIST,
385                 .src_divs = {
386                         {
387                                 .proportion_of_total = 7500,
388                                 .offset = PAGE_SIZE - 32
389                         }, {
390                                 .proportion_of_total = 2500,
391                                 .offset = PAGE_SIZE - 7
392                         },
393                 },
394         }
395 };
396 
397 static const struct testvec_config default_hash_testvec_configs[] = {
398         {
399                 .name = "init+update+final aligned buffer",
400                 .src_divs = { { .proportion_of_total = 10000 } },
401                 .finalization_type = FINALIZATION_TYPE_FINAL,
402         }, {
403                 .name = "init+finup aligned buffer",
404                 .src_divs = { { .proportion_of_total = 10000 } },
405                 .finalization_type = FINALIZATION_TYPE_FINUP,
406         }, {
407                 .name = "digest aligned buffer",
408                 .src_divs = { { .proportion_of_total = 10000 } },
409                 .finalization_type = FINALIZATION_TYPE_DIGEST,
410         }, {
411                 .name = "init+update+final misaligned buffer",
412                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
413                 .finalization_type = FINALIZATION_TYPE_FINAL,
414                 .key_offset = 1,
415         }, {
416                 .name = "digest misaligned buffer",
417                 .src_divs = {
418                         {
419                                 .proportion_of_total = 10000,
420                                 .offset = 1,
421                         },
422                 },
423                 .finalization_type = FINALIZATION_TYPE_DIGEST,
424                 .key_offset = 1,
425         }, {
426                 .name = "init+update+update+final two even splits",
427                 .src_divs = {
428                         { .proportion_of_total = 5000 },
429                         {
430                                 .proportion_of_total = 5000,
431                                 .flush_type = FLUSH_TYPE_FLUSH,
432                         },
433                 },
434                 .finalization_type = FINALIZATION_TYPE_FINAL,
435         }, {
436                 .name = "digest uneven misaligned splits, may sleep",
437                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
438                 .src_divs = {
439                         { .proportion_of_total = 1900, .offset = 33 },
440                         { .proportion_of_total = 3300, .offset = 7  },
441                         { .proportion_of_total = 4800, .offset = 18 },
442                 },
443                 .finalization_type = FINALIZATION_TYPE_DIGEST,
444         }, {
445                 .name = "digest misaligned splits crossing pages",
446                 .src_divs = {
447                         {
448                                 .proportion_of_total = 7500,
449                                 .offset = PAGE_SIZE - 32,
450                         }, {
451                                 .proportion_of_total = 2500,
452                                 .offset = PAGE_SIZE - 7,
453                         },
454                 },
455                 .finalization_type = FINALIZATION_TYPE_DIGEST,
456         }, {
457                 .name = "import/export",
458                 .src_divs = {
459                         {
460                                 .proportion_of_total = 6500,
461                                 .flush_type = FLUSH_TYPE_REIMPORT,
462                         }, {
463                                 .proportion_of_total = 3500,
464                                 .flush_type = FLUSH_TYPE_REIMPORT,
465                         },
466                 },
467                 .finalization_type = FINALIZATION_TYPE_FINAL,
468         }
469 };
470 
471 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
472 {
473         unsigned int remaining = TEST_SG_TOTAL;
474         unsigned int ndivs = 0;
475 
476         do {
477                 remaining -= divs[ndivs++].proportion_of_total;
478         } while (remaining);
479 
480         return ndivs;
481 }
482 
483 #define SGDIVS_HAVE_FLUSHES     BIT(0)
484 #define SGDIVS_HAVE_NOSIMD      BIT(1)
485 
486 static bool valid_sg_divisions(const struct test_sg_division *divs,
487                                unsigned int count, int *flags_ret)
488 {
489         unsigned int total = 0;
490         unsigned int i;
491 
492         for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
493                 if (divs[i].proportion_of_total <= 0 ||
494                     divs[i].proportion_of_total > TEST_SG_TOTAL - total)
495                         return false;
496                 total += divs[i].proportion_of_total;
497                 if (divs[i].flush_type != FLUSH_TYPE_NONE)
498                         *flags_ret |= SGDIVS_HAVE_FLUSHES;
499                 if (divs[i].nosimd)
500                         *flags_ret |= SGDIVS_HAVE_NOSIMD;
501         }
502         return total == TEST_SG_TOTAL &&
503                 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
504 }
505 
506 /*
507  * Check whether the given testvec_config is valid.  This isn't strictly needed
508  * since every testvec_config should be valid, but check anyway so that people
509  * don't unknowingly add broken configs that don't do what they wanted.
510  */
511 static bool valid_testvec_config(const struct testvec_config *cfg)
512 {
513         int flags = 0;
514 
515         if (cfg->name == NULL)
516                 return false;
517 
518         if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
519                                 &flags))
520                 return false;
521 
522         if (cfg->dst_divs[0].proportion_of_total) {
523                 if (!valid_sg_divisions(cfg->dst_divs,
524                                         ARRAY_SIZE(cfg->dst_divs), &flags))
525                         return false;
526         } else {
527                 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
528                         return false;
529                 /* defaults to dst_divs=src_divs */
530         }
531 
532         if (cfg->iv_offset +
533             (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
534             MAX_ALGAPI_ALIGNMASK + 1)
535                 return false;
536 
537         if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
538             cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
539                 return false;
540 
541         if ((cfg->nosimd || cfg->nosimd_setkey ||
542              (flags & SGDIVS_HAVE_NOSIMD)) &&
543             (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
544                 return false;
545 
546         return true;
547 }
548 
549 struct test_sglist {
550         char *bufs[XBUFSIZE];
551         struct scatterlist sgl[XBUFSIZE];
552         struct scatterlist sgl_saved[XBUFSIZE];
553         struct scatterlist *sgl_ptr;
554         unsigned int nents;
555 };
556 
557 static int init_test_sglist(struct test_sglist *tsgl)
558 {
559         return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
560 }
561 
562 static void destroy_test_sglist(struct test_sglist *tsgl)
563 {
564         return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
565 }
566 
567 /**
568  * build_test_sglist() - build a scatterlist for a crypto test
569  *
570  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
571  *        buffers which the scatterlist @tsgl->sgl[] will be made to point into.
572  * @divs: the layout specification on which the scatterlist will be based
573  * @alignmask: the algorithm's alignmask
574  * @total_len: the total length of the scatterlist to build in bytes
575  * @data: if non-NULL, the buffers will be filled with this data until it ends.
576  *        Otherwise the buffers will be poisoned.  In both cases, some bytes
577  *        past the end of each buffer will be poisoned to help detect overruns.
578  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
579  *            corresponds will be returned here.  This will match @divs except
580  *            that divisions resolving to a length of 0 are omitted as they are
581  *            not included in the scatterlist.
582  *
583  * Return: 0 or a -errno value
584  */
585 static int build_test_sglist(struct test_sglist *tsgl,
586                              const struct test_sg_division *divs,
587                              const unsigned int alignmask,
588                              const unsigned int total_len,
589                              struct iov_iter *data,
590                              const struct test_sg_division *out_divs[XBUFSIZE])
591 {
592         struct {
593                 const struct test_sg_division *div;
594                 size_t length;
595         } partitions[XBUFSIZE];
596         const unsigned int ndivs = count_test_sg_divisions(divs);
597         unsigned int len_remaining = total_len;
598         unsigned int i;
599 
600         BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
601         if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
602                 return -EINVAL;
603 
604         /* Calculate the (div, length) pairs */
605         tsgl->nents = 0;
606         for (i = 0; i < ndivs; i++) {
607                 unsigned int len_this_sg =
608                         min(len_remaining,
609                             (total_len * divs[i].proportion_of_total +
610                              TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
611 
612                 if (len_this_sg != 0) {
613                         partitions[tsgl->nents].div = &divs[i];
614                         partitions[tsgl->nents].length = len_this_sg;
615                         tsgl->nents++;
616                         len_remaining -= len_this_sg;
617                 }
618         }
619         if (tsgl->nents == 0) {
620                 partitions[tsgl->nents].div = &divs[0];
621                 partitions[tsgl->nents].length = 0;
622                 tsgl->nents++;
623         }
624         partitions[tsgl->nents - 1].length += len_remaining;
625 
626         /* Set up the sgl entries and fill the data or poison */
627         sg_init_table(tsgl->sgl, tsgl->nents);
628         for (i = 0; i < tsgl->nents; i++) {
629                 unsigned int offset = partitions[i].div->offset;
630                 void *addr;
631 
632                 if (partitions[i].div->offset_relative_to_alignmask)
633                         offset += alignmask;
634 
635                 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
636                        2 * PAGE_SIZE) {
637                         if (WARN_ON(offset <= 0))
638                                 return -EINVAL;
639                         offset /= 2;
640                 }
641 
642                 addr = &tsgl->bufs[i][offset];
643                 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
644 
645                 if (out_divs)
646                         out_divs[i] = partitions[i].div;
647 
648                 if (data) {
649                         size_t copy_len, copied;
650 
651                         copy_len = min(partitions[i].length, data->count);
652                         copied = copy_from_iter(addr, copy_len, data);
653                         if (WARN_ON(copied != copy_len))
654                                 return -EINVAL;
655                         testmgr_poison(addr + copy_len, partitions[i].length +
656                                        TESTMGR_POISON_LEN - copy_len);
657                 } else {
658                         testmgr_poison(addr, partitions[i].length +
659                                        TESTMGR_POISON_LEN);
660                 }
661         }
662 
663         sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
664         tsgl->sgl_ptr = tsgl->sgl;
665         memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
666         return 0;
667 }
668 
669 /*
670  * Verify that a scatterlist crypto operation produced the correct output.
671  *
672  * @tsgl: scatterlist containing the actual output
673  * @expected_output: buffer containing the expected output
674  * @len_to_check: length of @expected_output in bytes
675  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
676  * @check_poison: verify that the poison bytes after each chunk are intact?
677  *
678  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
679  */
680 static int verify_correct_output(const struct test_sglist *tsgl,
681                                  const char *expected_output,
682                                  unsigned int len_to_check,
683                                  unsigned int unchecked_prefix_len,
684                                  bool check_poison)
685 {
686         unsigned int i;
687 
688         for (i = 0; i < tsgl->nents; i++) {
689                 struct scatterlist *sg = &tsgl->sgl_ptr[i];
690                 unsigned int len = sg->length;
691                 unsigned int offset = sg->offset;
692                 const char *actual_output;
693 
694                 if (unchecked_prefix_len) {
695                         if (unchecked_prefix_len >= len) {
696                                 unchecked_prefix_len -= len;
697                                 continue;
698                         }
699                         offset += unchecked_prefix_len;
700                         len -= unchecked_prefix_len;
701                         unchecked_prefix_len = 0;
702                 }
703                 len = min(len, len_to_check);
704                 actual_output = page_address(sg_page(sg)) + offset;
705                 if (memcmp(expected_output, actual_output, len) != 0)
706                         return -EINVAL;
707                 if (check_poison &&
708                     !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
709                         return -EOVERFLOW;
710                 len_to_check -= len;
711                 expected_output += len;
712         }
713         if (WARN_ON(len_to_check != 0))
714                 return -EINVAL;
715         return 0;
716 }
717 
718 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
719 {
720         unsigned int i;
721 
722         for (i = 0; i < tsgl->nents; i++) {
723                 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
724                         return true;
725                 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
726                         return true;
727                 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
728                         return true;
729         }
730         return false;
731 }
732 
733 struct cipher_test_sglists {
734         struct test_sglist src;
735         struct test_sglist dst;
736 };
737 
738 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
739 {
740         struct cipher_test_sglists *tsgls;
741 
742         tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
743         if (!tsgls)
744                 return NULL;
745 
746         if (init_test_sglist(&tsgls->src) != 0)
747                 goto fail_kfree;
748         if (init_test_sglist(&tsgls->dst) != 0)
749                 goto fail_destroy_src;
750 
751         return tsgls;
752 
753 fail_destroy_src:
754         destroy_test_sglist(&tsgls->src);
755 fail_kfree:
756         kfree(tsgls);
757         return NULL;
758 }
759 
760 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
761 {
762         if (tsgls) {
763                 destroy_test_sglist(&tsgls->src);
764                 destroy_test_sglist(&tsgls->dst);
765                 kfree(tsgls);
766         }
767 }
768 
769 /* Build the src and dst scatterlists for an skcipher or AEAD test */
770 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
771                                      const struct testvec_config *cfg,
772                                      unsigned int alignmask,
773                                      unsigned int src_total_len,
774                                      unsigned int dst_total_len,
775                                      const struct kvec *inputs,
776                                      unsigned int nr_inputs)
777 {
778         struct iov_iter input;
779         int err;
780 
781         iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len);
782         err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
783                                 cfg->inplace_mode != OUT_OF_PLACE ?
784                                         max(dst_total_len, src_total_len) :
785                                         src_total_len,
786                                 &input, NULL);
787         if (err)
788                 return err;
789 
790         /*
791          * In-place crypto operations can use the same scatterlist for both the
792          * source and destination (req->src == req->dst), or can use separate
793          * scatterlists (req->src != req->dst) which point to the same
794          * underlying memory.  Make sure to test both cases.
795          */
796         if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
797                 tsgls->dst.sgl_ptr = tsgls->src.sgl;
798                 tsgls->dst.nents = tsgls->src.nents;
799                 return 0;
800         }
801         if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
802                 /*
803                  * For now we keep it simple and only test the case where the
804                  * two scatterlists have identical entries, rather than
805                  * different entries that split up the same memory differently.
806                  */
807                 memcpy(tsgls->dst.sgl, tsgls->src.sgl,
808                        tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
809                 memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
810                        tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
811                 tsgls->dst.sgl_ptr = tsgls->dst.sgl;
812                 tsgls->dst.nents = tsgls->src.nents;
813                 return 0;
814         }
815         /* Out of place */
816         return build_test_sglist(&tsgls->dst,
817                                  cfg->dst_divs[0].proportion_of_total ?
818                                         cfg->dst_divs : cfg->src_divs,
819                                  alignmask, dst_total_len, NULL, NULL);
820 }
821 
822 /*
823  * Support for testing passing a misaligned key to setkey():
824  *
825  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
826  * optionally adding alignmask.  Else, just use the key directly.
827  */
828 static int prepare_keybuf(const u8 *key, unsigned int ksize,
829                           const struct testvec_config *cfg,
830                           unsigned int alignmask,
831                           const u8 **keybuf_ret, const u8 **keyptr_ret)
832 {
833         unsigned int key_offset = cfg->key_offset;
834         u8 *keybuf = NULL, *keyptr = (u8 *)key;
835 
836         if (key_offset != 0) {
837                 if (cfg->key_offset_relative_to_alignmask)
838                         key_offset += alignmask;
839                 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
840                 if (!keybuf)
841                         return -ENOMEM;
842                 keyptr = keybuf + key_offset;
843                 memcpy(keyptr, key, ksize);
844         }
845         *keybuf_ret = keybuf;
846         *keyptr_ret = keyptr;
847         return 0;
848 }
849 
850 /*
851  * Like setkey_f(tfm, key, ksize), but sometimes misalign the key.
852  * In addition, run the setkey function in no-SIMD context if requested.
853  */
854 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)            \
855 ({                                                                      \
856         const u8 *keybuf, *keyptr;                                      \
857         int err;                                                        \
858                                                                         \
859         err = prepare_keybuf((key), (ksize), (cfg), (alignmask),        \
860                              &keybuf, &keyptr);                         \
861         if (err == 0) {                                                 \
862                 if ((cfg)->nosimd_setkey)                               \
863                         crypto_disable_simd_for_test();                 \
864                 err = setkey_f((tfm), keyptr, (ksize));                 \
865                 if ((cfg)->nosimd_setkey)                               \
866                         crypto_reenable_simd_for_test();                \
867                 kfree(keybuf);                                          \
868         }                                                               \
869         err;                                                            \
870 })
871 
872 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
873 
874 /*
875  * The fuzz tests use prandom instead of the normal Linux RNG since they don't
876  * need cryptographically secure random numbers.  This greatly improves the
877  * performance of these tests, especially if they are run before the Linux RNG
878  * has been initialized or if they are run on a lockdep-enabled kernel.
879  */
880 
881 static inline void init_rnd_state(struct rnd_state *rng)
882 {
883         prandom_seed_state(rng, get_random_u64());
884 }
885 
886 static inline u8 prandom_u8(struct rnd_state *rng)
887 {
888         return prandom_u32_state(rng);
889 }
890 
891 static inline u32 prandom_u32_below(struct rnd_state *rng, u32 ceil)
892 {
893         /*
894          * This is slightly biased for non-power-of-2 values of 'ceil', but this
895          * isn't important here.
896          */
897         return prandom_u32_state(rng) % ceil;
898 }
899 
900 static inline bool prandom_bool(struct rnd_state *rng)
901 {
902         return prandom_u32_below(rng, 2);
903 }
904 
905 static inline u32 prandom_u32_inclusive(struct rnd_state *rng,
906                                         u32 floor, u32 ceil)
907 {
908         return floor + prandom_u32_below(rng, ceil - floor + 1);
909 }
910 
911 /* Generate a random length in range [0, max_len], but prefer smaller values */
912 static unsigned int generate_random_length(struct rnd_state *rng,
913                                            unsigned int max_len)
914 {
915         unsigned int len = prandom_u32_below(rng, max_len + 1);
916 
917         switch (prandom_u32_below(rng, 4)) {
918         case 0:
919                 len %= 64;
920                 break;
921         case 1:
922                 len %= 256;
923                 break;
924         case 2:
925                 len %= 1024;
926                 break;
927         default:
928                 break;
929         }
930         if (len && prandom_u32_below(rng, 4) == 0)
931                 len = rounddown_pow_of_two(len);
932         return len;
933 }
934 
935 /* Flip a random bit in the given nonempty data buffer */
936 static void flip_random_bit(struct rnd_state *rng, u8 *buf, size_t size)
937 {
938         size_t bitpos;
939 
940         bitpos = prandom_u32_below(rng, size * 8);
941         buf[bitpos / 8] ^= 1 << (bitpos % 8);
942 }
943 
944 /* Flip a random byte in the given nonempty data buffer */
945 static void flip_random_byte(struct rnd_state *rng, u8 *buf, size_t size)
946 {
947         buf[prandom_u32_below(rng, size)] ^= 0xff;
948 }
949 
950 /* Sometimes make some random changes to the given nonempty data buffer */
951 static void mutate_buffer(struct rnd_state *rng, u8 *buf, size_t size)
952 {
953         size_t num_flips;
954         size_t i;
955 
956         /* Sometimes flip some bits */
957         if (prandom_u32_below(rng, 4) == 0) {
958                 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8),
959                                   size * 8);
960                 for (i = 0; i < num_flips; i++)
961                         flip_random_bit(rng, buf, size);
962         }
963 
964         /* Sometimes flip some bytes */
965         if (prandom_u32_below(rng, 4) == 0) {
966                 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8), size);
967                 for (i = 0; i < num_flips; i++)
968                         flip_random_byte(rng, buf, size);
969         }
970 }
971 
972 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
973 static void generate_random_bytes(struct rnd_state *rng, u8 *buf, size_t count)
974 {
975         u8 b;
976         u8 increment;
977         size_t i;
978 
979         if (count == 0)
980                 return;
981 
982         switch (prandom_u32_below(rng, 8)) { /* Choose a generation strategy */
983         case 0:
984         case 1:
985                 /* All the same byte, plus optional mutations */
986                 switch (prandom_u32_below(rng, 4)) {
987                 case 0:
988                         b = 0x00;
989                         break;
990                 case 1:
991                         b = 0xff;
992                         break;
993                 default:
994                         b = prandom_u8(rng);
995                         break;
996                 }
997                 memset(buf, b, count);
998                 mutate_buffer(rng, buf, count);
999                 break;
1000         case 2:
1001                 /* Ascending or descending bytes, plus optional mutations */
1002                 increment = prandom_u8(rng);
1003                 b = prandom_u8(rng);
1004                 for (i = 0; i < count; i++, b += increment)
1005                         buf[i] = b;
1006                 mutate_buffer(rng, buf, count);
1007                 break;
1008         default:
1009                 /* Fully random bytes */
1010                 prandom_bytes_state(rng, buf, count);
1011         }
1012 }
1013 
1014 static char *generate_random_sgl_divisions(struct rnd_state *rng,
1015                                            struct test_sg_division *divs,
1016                                            size_t max_divs, char *p, char *end,
1017                                            bool gen_flushes, u32 req_flags)
1018 {
1019         struct test_sg_division *div = divs;
1020         unsigned int remaining = TEST_SG_TOTAL;
1021 
1022         do {
1023                 unsigned int this_len;
1024                 const char *flushtype_str;
1025 
1026                 if (div == &divs[max_divs - 1] || prandom_bool(rng))
1027                         this_len = remaining;
1028                 else if (prandom_u32_below(rng, 4) == 0)
1029                         this_len = (remaining + 1) / 2;
1030                 else
1031                         this_len = prandom_u32_inclusive(rng, 1, remaining);
1032                 div->proportion_of_total = this_len;
1033 
1034                 if (prandom_u32_below(rng, 4) == 0)
1035                         div->offset = prandom_u32_inclusive(rng,
1036                                                             PAGE_SIZE - 128,
1037                                                             PAGE_SIZE - 1);
1038                 else if (prandom_bool(rng))
1039                         div->offset = prandom_u32_below(rng, 32);
1040                 else
1041                         div->offset = prandom_u32_below(rng, PAGE_SIZE);
1042                 if (prandom_u32_below(rng, 8) == 0)
1043                         div->offset_relative_to_alignmask = true;
1044 
1045                 div->flush_type = FLUSH_TYPE_NONE;
1046                 if (gen_flushes) {
1047                         switch (prandom_u32_below(rng, 4)) {
1048                         case 0:
1049                                 div->flush_type = FLUSH_TYPE_REIMPORT;
1050                                 break;
1051                         case 1:
1052                                 div->flush_type = FLUSH_TYPE_FLUSH;
1053                                 break;
1054                         }
1055                 }
1056 
1057                 if (div->flush_type != FLUSH_TYPE_NONE &&
1058                     !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1059                     prandom_bool(rng))
1060                         div->nosimd = true;
1061 
1062                 switch (div->flush_type) {
1063                 case FLUSH_TYPE_FLUSH:
1064                         if (div->nosimd)
1065                                 flushtype_str = "<flush,nosimd>";
1066                         else
1067                                 flushtype_str = "<flush>";
1068                         break;
1069                 case FLUSH_TYPE_REIMPORT:
1070                         if (div->nosimd)
1071                                 flushtype_str = "<reimport,nosimd>";
1072                         else
1073                                 flushtype_str = "<reimport>";
1074                         break;
1075                 default:
1076                         flushtype_str = "";
1077                         break;
1078                 }
1079 
1080                 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
1081                 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
1082                                this_len / 100, this_len % 100,
1083                                div->offset_relative_to_alignmask ?
1084                                         "alignmask" : "",
1085                                div->offset, this_len == remaining ? "" : ", ");
1086                 remaining -= this_len;
1087                 div++;
1088         } while (remaining);
1089 
1090         return p;
1091 }
1092 
1093 /* Generate a random testvec_config for fuzz testing */
1094 static void generate_random_testvec_config(struct rnd_state *rng,
1095                                            struct testvec_config *cfg,
1096                                            char *name, size_t max_namelen)
1097 {
1098         char *p = name;
1099         char * const end = name + max_namelen;
1100 
1101         memset(cfg, 0, sizeof(*cfg));
1102 
1103         cfg->name = name;
1104 
1105         p += scnprintf(p, end - p, "random:");
1106 
1107         switch (prandom_u32_below(rng, 4)) {
1108         case 0:
1109         case 1:
1110                 cfg->inplace_mode = OUT_OF_PLACE;
1111                 break;
1112         case 2:
1113                 cfg->inplace_mode = INPLACE_ONE_SGLIST;
1114                 p += scnprintf(p, end - p, " inplace_one_sglist");
1115                 break;
1116         default:
1117                 cfg->inplace_mode = INPLACE_TWO_SGLISTS;
1118                 p += scnprintf(p, end - p, " inplace_two_sglists");
1119                 break;
1120         }
1121 
1122         if (prandom_bool(rng)) {
1123                 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1124                 p += scnprintf(p, end - p, " may_sleep");
1125         }
1126 
1127         switch (prandom_u32_below(rng, 4)) {
1128         case 0:
1129                 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1130                 p += scnprintf(p, end - p, " use_final");
1131                 break;
1132         case 1:
1133                 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1134                 p += scnprintf(p, end - p, " use_finup");
1135                 break;
1136         default:
1137                 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1138                 p += scnprintf(p, end - p, " use_digest");
1139                 break;
1140         }
1141 
1142         if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP)) {
1143                 if (prandom_bool(rng)) {
1144                         cfg->nosimd = true;
1145                         p += scnprintf(p, end - p, " nosimd");
1146                 }
1147                 if (prandom_bool(rng)) {
1148                         cfg->nosimd_setkey = true;
1149                         p += scnprintf(p, end - p, " nosimd_setkey");
1150                 }
1151         }
1152 
1153         p += scnprintf(p, end - p, " src_divs=[");
1154         p = generate_random_sgl_divisions(rng, cfg->src_divs,
1155                                           ARRAY_SIZE(cfg->src_divs), p, end,
1156                                           (cfg->finalization_type !=
1157                                            FINALIZATION_TYPE_DIGEST),
1158                                           cfg->req_flags);
1159         p += scnprintf(p, end - p, "]");
1160 
1161         if (cfg->inplace_mode == OUT_OF_PLACE && prandom_bool(rng)) {
1162                 p += scnprintf(p, end - p, " dst_divs=[");
1163                 p = generate_random_sgl_divisions(rng, cfg->dst_divs,
1164                                                   ARRAY_SIZE(cfg->dst_divs),
1165                                                   p, end, false,
1166                                                   cfg->req_flags);
1167                 p += scnprintf(p, end - p, "]");
1168         }
1169 
1170         if (prandom_bool(rng)) {
1171                 cfg->iv_offset = prandom_u32_inclusive(rng, 1,
1172                                                        MAX_ALGAPI_ALIGNMASK);
1173                 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1174         }
1175 
1176         if (prandom_bool(rng)) {
1177                 cfg->key_offset = prandom_u32_inclusive(rng, 1,
1178                                                         MAX_ALGAPI_ALIGNMASK);
1179                 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1180         }
1181 
1182         WARN_ON_ONCE(!valid_testvec_config(cfg));
1183 }
1184 
1185 static void crypto_disable_simd_for_test(void)
1186 {
1187         migrate_disable();
1188         __this_cpu_write(crypto_simd_disabled_for_test, true);
1189 }
1190 
1191 static void crypto_reenable_simd_for_test(void)
1192 {
1193         __this_cpu_write(crypto_simd_disabled_for_test, false);
1194         migrate_enable();
1195 }
1196 
1197 /*
1198  * Given an algorithm name, build the name of the generic implementation of that
1199  * algorithm, assuming the usual naming convention.  Specifically, this appends
1200  * "-generic" to every part of the name that is not a template name.  Examples:
1201  *
1202  *      aes => aes-generic
1203  *      cbc(aes) => cbc(aes-generic)
1204  *      cts(cbc(aes)) => cts(cbc(aes-generic))
1205  *      rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1206  *
1207  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1208  */
1209 static int build_generic_driver_name(const char *algname,
1210                                      char driver_name[CRYPTO_MAX_ALG_NAME])
1211 {
1212         const char *in = algname;
1213         char *out = driver_name;
1214         size_t len = strlen(algname);
1215 
1216         if (len >= CRYPTO_MAX_ALG_NAME)
1217                 goto too_long;
1218         do {
1219                 const char *in_saved = in;
1220 
1221                 while (*in && *in != '(' && *in != ')' && *in != ',')
1222                         *out++ = *in++;
1223                 if (*in != '(' && in > in_saved) {
1224                         len += 8;
1225                         if (len >= CRYPTO_MAX_ALG_NAME)
1226                                 goto too_long;
1227                         memcpy(out, "-generic", 8);
1228                         out += 8;
1229                 }
1230         } while ((*out++ = *in++) != '\0');
1231         return 0;
1232 
1233 too_long:
1234         pr_err("alg: generic driver name for \"%s\" would be too long\n",
1235                algname);
1236         return -ENAMETOOLONG;
1237 }
1238 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1239 static void crypto_disable_simd_for_test(void)
1240 {
1241 }
1242 
1243 static void crypto_reenable_simd_for_test(void)
1244 {
1245 }
1246 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1247 
1248 static int build_hash_sglist(struct test_sglist *tsgl,
1249                              const struct hash_testvec *vec,
1250                              const struct testvec_config *cfg,
1251                              unsigned int alignmask,
1252                              const struct test_sg_division *divs[XBUFSIZE])
1253 {
1254         struct kvec kv;
1255         struct iov_iter input;
1256 
1257         kv.iov_base = (void *)vec->plaintext;
1258         kv.iov_len = vec->psize;
1259         iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize);
1260         return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1261                                  &input, divs);
1262 }
1263 
1264 static int check_hash_result(const char *type,
1265                              const u8 *result, unsigned int digestsize,
1266                              const struct hash_testvec *vec,
1267                              const char *vec_name,
1268                              const char *driver,
1269                              const struct testvec_config *cfg)
1270 {
1271         if (memcmp(result, vec->digest, digestsize) != 0) {
1272                 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1273                        type, driver, vec_name, cfg->name);
1274                 return -EINVAL;
1275         }
1276         if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1277                 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1278                        type, driver, vec_name, cfg->name);
1279                 return -EOVERFLOW;
1280         }
1281         return 0;
1282 }
1283 
1284 static inline int check_shash_op(const char *op, int err,
1285                                  const char *driver, const char *vec_name,
1286                                  const struct testvec_config *cfg)
1287 {
1288         if (err)
1289                 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1290                        driver, op, err, vec_name, cfg->name);
1291         return err;
1292 }
1293 
1294 /* Test one hash test vector in one configuration, using the shash API */
1295 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1296                               const char *vec_name,
1297                               const struct testvec_config *cfg,
1298                               struct shash_desc *desc,
1299                               struct test_sglist *tsgl,
1300                               u8 *hashstate)
1301 {
1302         struct crypto_shash *tfm = desc->tfm;
1303         const unsigned int digestsize = crypto_shash_digestsize(tfm);
1304         const unsigned int statesize = crypto_shash_statesize(tfm);
1305         const char *driver = crypto_shash_driver_name(tfm);
1306         const struct test_sg_division *divs[XBUFSIZE];
1307         unsigned int i;
1308         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1309         int err;
1310 
1311         /* Set the key, if specified */
1312         if (vec->ksize) {
1313                 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1314                                 cfg, 0);
1315                 if (err) {
1316                         if (err == vec->setkey_error)
1317                                 return 0;
1318                         pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1319                                driver, vec_name, vec->setkey_error, err,
1320                                crypto_shash_get_flags(tfm));
1321                         return err;
1322                 }
1323                 if (vec->setkey_error) {
1324                         pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1325                                driver, vec_name, vec->setkey_error);
1326                         return -EINVAL;
1327                 }
1328         }
1329 
1330         /* Build the scatterlist for the source data */
1331         err = build_hash_sglist(tsgl, vec, cfg, 0, divs);
1332         if (err) {
1333                 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1334                        driver, vec_name, cfg->name);
1335                 return err;
1336         }
1337 
1338         /* Do the actual hashing */
1339 
1340         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1341         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1342 
1343         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1344             vec->digest_error) {
1345                 /* Just using digest() */
1346                 if (tsgl->nents != 1)
1347                         return 0;
1348                 if (cfg->nosimd)
1349                         crypto_disable_simd_for_test();
1350                 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1351                                           tsgl->sgl[0].length, result);
1352                 if (cfg->nosimd)
1353                         crypto_reenable_simd_for_test();
1354                 if (err) {
1355                         if (err == vec->digest_error)
1356                                 return 0;
1357                         pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1358                                driver, vec_name, vec->digest_error, err,
1359                                cfg->name);
1360                         return err;
1361                 }
1362                 if (vec->digest_error) {
1363                         pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1364                                driver, vec_name, vec->digest_error, cfg->name);
1365                         return -EINVAL;
1366                 }
1367                 goto result_ready;
1368         }
1369 
1370         /* Using init(), zero or more update(), then final() or finup() */
1371 
1372         if (cfg->nosimd)
1373                 crypto_disable_simd_for_test();
1374         err = crypto_shash_init(desc);
1375         if (cfg->nosimd)
1376                 crypto_reenable_simd_for_test();
1377         err = check_shash_op("init", err, driver, vec_name, cfg);
1378         if (err)
1379                 return err;
1380 
1381         for (i = 0; i < tsgl->nents; i++) {
1382                 if (i + 1 == tsgl->nents &&
1383                     cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1384                         if (divs[i]->nosimd)
1385                                 crypto_disable_simd_for_test();
1386                         err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1387                                                  tsgl->sgl[i].length, result);
1388                         if (divs[i]->nosimd)
1389                                 crypto_reenable_simd_for_test();
1390                         err = check_shash_op("finup", err, driver, vec_name,
1391                                              cfg);
1392                         if (err)
1393                                 return err;
1394                         goto result_ready;
1395                 }
1396                 if (divs[i]->nosimd)
1397                         crypto_disable_simd_for_test();
1398                 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1399                                           tsgl->sgl[i].length);
1400                 if (divs[i]->nosimd)
1401                         crypto_reenable_simd_for_test();
1402                 err = check_shash_op("update", err, driver, vec_name, cfg);
1403                 if (err)
1404                         return err;
1405                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1406                         /* Test ->export() and ->import() */
1407                         testmgr_poison(hashstate + statesize,
1408                                        TESTMGR_POISON_LEN);
1409                         err = crypto_shash_export(desc, hashstate);
1410                         err = check_shash_op("export", err, driver, vec_name,
1411                                              cfg);
1412                         if (err)
1413                                 return err;
1414                         if (!testmgr_is_poison(hashstate + statesize,
1415                                                TESTMGR_POISON_LEN)) {
1416                                 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1417                                        driver, vec_name, cfg->name);
1418                                 return -EOVERFLOW;
1419                         }
1420                         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1421                         err = crypto_shash_import(desc, hashstate);
1422                         err = check_shash_op("import", err, driver, vec_name,
1423                                              cfg);
1424                         if (err)
1425                                 return err;
1426                 }
1427         }
1428 
1429         if (cfg->nosimd)
1430                 crypto_disable_simd_for_test();
1431         err = crypto_shash_final(desc, result);
1432         if (cfg->nosimd)
1433                 crypto_reenable_simd_for_test();
1434         err = check_shash_op("final", err, driver, vec_name, cfg);
1435         if (err)
1436                 return err;
1437 result_ready:
1438         return check_hash_result("shash", result, digestsize, vec, vec_name,
1439                                  driver, cfg);
1440 }
1441 
1442 static int do_ahash_op(int (*op)(struct ahash_request *req),
1443                        struct ahash_request *req,
1444                        struct crypto_wait *wait, bool nosimd)
1445 {
1446         int err;
1447 
1448         if (nosimd)
1449                 crypto_disable_simd_for_test();
1450 
1451         err = op(req);
1452 
1453         if (nosimd)
1454                 crypto_reenable_simd_for_test();
1455 
1456         return crypto_wait_req(err, wait);
1457 }
1458 
1459 static int check_nonfinal_ahash_op(const char *op, int err,
1460                                    u8 *result, unsigned int digestsize,
1461                                    const char *driver, const char *vec_name,
1462                                    const struct testvec_config *cfg)
1463 {
1464         if (err) {
1465                 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1466                        driver, op, err, vec_name, cfg->name);
1467                 return err;
1468         }
1469         if (!testmgr_is_poison(result, digestsize)) {
1470                 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1471                        driver, op, vec_name, cfg->name);
1472                 return -EINVAL;
1473         }
1474         return 0;
1475 }
1476 
1477 /* Test one hash test vector in one configuration, using the ahash API */
1478 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1479                               const char *vec_name,
1480                               const struct testvec_config *cfg,
1481                               struct ahash_request *req,
1482                               struct test_sglist *tsgl,
1483                               u8 *hashstate)
1484 {
1485         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1486         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1487         const unsigned int statesize = crypto_ahash_statesize(tfm);
1488         const char *driver = crypto_ahash_driver_name(tfm);
1489         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1490         const struct test_sg_division *divs[XBUFSIZE];
1491         DECLARE_CRYPTO_WAIT(wait);
1492         unsigned int i;
1493         struct scatterlist *pending_sgl;
1494         unsigned int pending_len;
1495         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1496         int err;
1497 
1498         /* Set the key, if specified */
1499         if (vec->ksize) {
1500                 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1501                                 cfg, 0);
1502                 if (err) {
1503                         if (err == vec->setkey_error)
1504                                 return 0;
1505                         pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1506                                driver, vec_name, vec->setkey_error, err,
1507                                crypto_ahash_get_flags(tfm));
1508                         return err;
1509                 }
1510                 if (vec->setkey_error) {
1511                         pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1512                                driver, vec_name, vec->setkey_error);
1513                         return -EINVAL;
1514                 }
1515         }
1516 
1517         /* Build the scatterlist for the source data */
1518         err = build_hash_sglist(tsgl, vec, cfg, 0, divs);
1519         if (err) {
1520                 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1521                        driver, vec_name, cfg->name);
1522                 return err;
1523         }
1524 
1525         /* Do the actual hashing */
1526 
1527         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1528         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1529 
1530         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1531             vec->digest_error) {
1532                 /* Just using digest() */
1533                 ahash_request_set_callback(req, req_flags, crypto_req_done,
1534                                            &wait);
1535                 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1536                 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1537                 if (err) {
1538                         if (err == vec->digest_error)
1539                                 return 0;
1540                         pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1541                                driver, vec_name, vec->digest_error, err,
1542                                cfg->name);
1543                         return err;
1544                 }
1545                 if (vec->digest_error) {
1546                         pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1547                                driver, vec_name, vec->digest_error, cfg->name);
1548                         return -EINVAL;
1549                 }
1550                 goto result_ready;
1551         }
1552 
1553         /* Using init(), zero or more update(), then final() or finup() */
1554 
1555         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1556         ahash_request_set_crypt(req, NULL, result, 0);
1557         err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1558         err = check_nonfinal_ahash_op("init", err, result, digestsize,
1559                                       driver, vec_name, cfg);
1560         if (err)
1561                 return err;
1562 
1563         pending_sgl = NULL;
1564         pending_len = 0;
1565         for (i = 0; i < tsgl->nents; i++) {
1566                 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1567                     pending_sgl != NULL) {
1568                         /* update() with the pending data */
1569                         ahash_request_set_callback(req, req_flags,
1570                                                    crypto_req_done, &wait);
1571                         ahash_request_set_crypt(req, pending_sgl, result,
1572                                                 pending_len);
1573                         err = do_ahash_op(crypto_ahash_update, req, &wait,
1574                                           divs[i]->nosimd);
1575                         err = check_nonfinal_ahash_op("update", err,
1576                                                       result, digestsize,
1577                                                       driver, vec_name, cfg);
1578                         if (err)
1579                                 return err;
1580                         pending_sgl = NULL;
1581                         pending_len = 0;
1582                 }
1583                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1584                         /* Test ->export() and ->import() */
1585                         testmgr_poison(hashstate + statesize,
1586                                        TESTMGR_POISON_LEN);
1587                         err = crypto_ahash_export(req, hashstate);
1588                         err = check_nonfinal_ahash_op("export", err,
1589                                                       result, digestsize,
1590                                                       driver, vec_name, cfg);
1591                         if (err)
1592                                 return err;
1593                         if (!testmgr_is_poison(hashstate + statesize,
1594                                                TESTMGR_POISON_LEN)) {
1595                                 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1596                                        driver, vec_name, cfg->name);
1597                                 return -EOVERFLOW;
1598                         }
1599 
1600                         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1601                         err = crypto_ahash_import(req, hashstate);
1602                         err = check_nonfinal_ahash_op("import", err,
1603                                                       result, digestsize,
1604                                                       driver, vec_name, cfg);
1605                         if (err)
1606                                 return err;
1607                 }
1608                 if (pending_sgl == NULL)
1609                         pending_sgl = &tsgl->sgl[i];
1610                 pending_len += tsgl->sgl[i].length;
1611         }
1612 
1613         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1614         ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1615         if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1616                 /* finish with update() and final() */
1617                 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1618                 err = check_nonfinal_ahash_op("update", err, result, digestsize,
1619                                               driver, vec_name, cfg);
1620                 if (err)
1621                         return err;
1622                 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1623                 if (err) {
1624                         pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1625                                driver, err, vec_name, cfg->name);
1626                         return err;
1627                 }
1628         } else {
1629                 /* finish with finup() */
1630                 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1631                 if (err) {
1632                         pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1633                                driver, err, vec_name, cfg->name);
1634                         return err;
1635                 }
1636         }
1637 
1638 result_ready:
1639         return check_hash_result("ahash", result, digestsize, vec, vec_name,
1640                                  driver, cfg);
1641 }
1642 
1643 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1644                              const char *vec_name,
1645                              const struct testvec_config *cfg,
1646                              struct ahash_request *req,
1647                              struct shash_desc *desc,
1648                              struct test_sglist *tsgl,
1649                              u8 *hashstate)
1650 {
1651         int err;
1652 
1653         /*
1654          * For algorithms implemented as "shash", most bugs will be detected by
1655          * both the shash and ahash tests.  Test the shash API first so that the
1656          * failures involve less indirection, so are easier to debug.
1657          */
1658 
1659         if (desc) {
1660                 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1661                                          hashstate);
1662                 if (err)
1663                         return err;
1664         }
1665 
1666         return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1667 }
1668 
1669 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1670                          struct ahash_request *req, struct shash_desc *desc,
1671                          struct test_sglist *tsgl, u8 *hashstate)
1672 {
1673         char vec_name[16];
1674         unsigned int i;
1675         int err;
1676 
1677         sprintf(vec_name, "%u", vec_num);
1678 
1679         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1680                 err = test_hash_vec_cfg(vec, vec_name,
1681                                         &default_hash_testvec_configs[i],
1682                                         req, desc, tsgl, hashstate);
1683                 if (err)
1684                         return err;
1685         }
1686 
1687 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1688         if (!noextratests) {
1689                 struct rnd_state rng;
1690                 struct testvec_config cfg;
1691                 char cfgname[TESTVEC_CONFIG_NAMELEN];
1692 
1693                 init_rnd_state(&rng);
1694 
1695                 for (i = 0; i < fuzz_iterations; i++) {
1696                         generate_random_testvec_config(&rng, &cfg, cfgname,
1697                                                        sizeof(cfgname));
1698                         err = test_hash_vec_cfg(vec, vec_name, &cfg,
1699                                                 req, desc, tsgl, hashstate);
1700                         if (err)
1701                                 return err;
1702                         cond_resched();
1703                 }
1704         }
1705 #endif
1706         return 0;
1707 }
1708 
1709 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1710 /*
1711  * Generate a hash test vector from the given implementation.
1712  * Assumes the buffers in 'vec' were already allocated.
1713  */
1714 static void generate_random_hash_testvec(struct rnd_state *rng,
1715                                          struct shash_desc *desc,
1716                                          struct hash_testvec *vec,
1717                                          unsigned int maxkeysize,
1718                                          unsigned int maxdatasize,
1719                                          char *name, size_t max_namelen)
1720 {
1721         /* Data */
1722         vec->psize = generate_random_length(rng, maxdatasize);
1723         generate_random_bytes(rng, (u8 *)vec->plaintext, vec->psize);
1724 
1725         /*
1726          * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1727          * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1728          */
1729         vec->setkey_error = 0;
1730         vec->ksize = 0;
1731         if (maxkeysize) {
1732                 vec->ksize = maxkeysize;
1733                 if (prandom_u32_below(rng, 4) == 0)
1734                         vec->ksize = prandom_u32_inclusive(rng, 1, maxkeysize);
1735                 generate_random_bytes(rng, (u8 *)vec->key, vec->ksize);
1736 
1737                 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1738                                                         vec->ksize);
1739                 /* If the key couldn't be set, no need to continue to digest. */
1740                 if (vec->setkey_error)
1741                         goto done;
1742         }
1743 
1744         /* Digest */
1745         vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1746                                                 vec->psize, (u8 *)vec->digest);
1747 done:
1748         snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1749                  vec->psize, vec->ksize);
1750 }
1751 
1752 /*
1753  * Test the hash algorithm represented by @req against the corresponding generic
1754  * implementation, if one is available.
1755  */
1756 static int test_hash_vs_generic_impl(const char *generic_driver,
1757                                      unsigned int maxkeysize,
1758                                      struct ahash_request *req,
1759                                      struct shash_desc *desc,
1760                                      struct test_sglist *tsgl,
1761                                      u8 *hashstate)
1762 {
1763         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1764         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1765         const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1766         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1767         const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1768         const char *driver = crypto_ahash_driver_name(tfm);
1769         struct rnd_state rng;
1770         char _generic_driver[CRYPTO_MAX_ALG_NAME];
1771         struct crypto_shash *generic_tfm = NULL;
1772         struct shash_desc *generic_desc = NULL;
1773         unsigned int i;
1774         struct hash_testvec vec = { 0 };
1775         char vec_name[64];
1776         struct testvec_config *cfg;
1777         char cfgname[TESTVEC_CONFIG_NAMELEN];
1778         int err;
1779 
1780         if (noextratests)
1781                 return 0;
1782 
1783         init_rnd_state(&rng);
1784 
1785         if (!generic_driver) { /* Use default naming convention? */
1786                 err = build_generic_driver_name(algname, _generic_driver);
1787                 if (err)
1788                         return err;
1789                 generic_driver = _generic_driver;
1790         }
1791 
1792         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1793                 return 0;
1794 
1795         generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1796         if (IS_ERR(generic_tfm)) {
1797                 err = PTR_ERR(generic_tfm);
1798                 if (err == -ENOENT) {
1799                         pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1800                                 driver, generic_driver);
1801                         return 0;
1802                 }
1803                 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1804                        generic_driver, algname, err);
1805                 return err;
1806         }
1807 
1808         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1809         if (!cfg) {
1810                 err = -ENOMEM;
1811                 goto out;
1812         }
1813 
1814         generic_desc = kzalloc(sizeof(*desc) +
1815                                crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1816         if (!generic_desc) {
1817                 err = -ENOMEM;
1818                 goto out;
1819         }
1820         generic_desc->tfm = generic_tfm;
1821 
1822         /* Check the algorithm properties for consistency. */
1823 
1824         if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1825                 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1826                        driver, digestsize,
1827                        crypto_shash_digestsize(generic_tfm));
1828                 err = -EINVAL;
1829                 goto out;
1830         }
1831 
1832         if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1833                 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1834                        driver, blocksize, crypto_shash_blocksize(generic_tfm));
1835                 err = -EINVAL;
1836                 goto out;
1837         }
1838 
1839         /*
1840          * Now generate test vectors using the generic implementation, and test
1841          * the other implementation against them.
1842          */
1843 
1844         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1845         vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1846         vec.digest = kmalloc(digestsize, GFP_KERNEL);
1847         if (!vec.key || !vec.plaintext || !vec.digest) {
1848                 err = -ENOMEM;
1849                 goto out;
1850         }
1851 
1852         for (i = 0; i < fuzz_iterations * 8; i++) {
1853                 generate_random_hash_testvec(&rng, generic_desc, &vec,
1854                                              maxkeysize, maxdatasize,
1855                                              vec_name, sizeof(vec_name));
1856                 generate_random_testvec_config(&rng, cfg, cfgname,
1857                                                sizeof(cfgname));
1858 
1859                 err = test_hash_vec_cfg(&vec, vec_name, cfg,
1860                                         req, desc, tsgl, hashstate);
1861                 if (err)
1862                         goto out;
1863                 cond_resched();
1864         }
1865         err = 0;
1866 out:
1867         kfree(cfg);
1868         kfree(vec.key);
1869         kfree(vec.plaintext);
1870         kfree(vec.digest);
1871         crypto_free_shash(generic_tfm);
1872         kfree_sensitive(generic_desc);
1873         return err;
1874 }
1875 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1876 static int test_hash_vs_generic_impl(const char *generic_driver,
1877                                      unsigned int maxkeysize,
1878                                      struct ahash_request *req,
1879                                      struct shash_desc *desc,
1880                                      struct test_sglist *tsgl,
1881                                      u8 *hashstate)
1882 {
1883         return 0;
1884 }
1885 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1886 
1887 static int alloc_shash(const char *driver, u32 type, u32 mask,
1888                        struct crypto_shash **tfm_ret,
1889                        struct shash_desc **desc_ret)
1890 {
1891         struct crypto_shash *tfm;
1892         struct shash_desc *desc;
1893 
1894         tfm = crypto_alloc_shash(driver, type, mask);
1895         if (IS_ERR(tfm)) {
1896                 if (PTR_ERR(tfm) == -ENOENT) {
1897                         /*
1898                          * This algorithm is only available through the ahash
1899                          * API, not the shash API, so skip the shash tests.
1900                          */
1901                         return 0;
1902                 }
1903                 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1904                        driver, PTR_ERR(tfm));
1905                 return PTR_ERR(tfm);
1906         }
1907 
1908         desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1909         if (!desc) {
1910                 crypto_free_shash(tfm);
1911                 return -ENOMEM;
1912         }
1913         desc->tfm = tfm;
1914 
1915         *tfm_ret = tfm;
1916         *desc_ret = desc;
1917         return 0;
1918 }
1919 
1920 static int __alg_test_hash(const struct hash_testvec *vecs,
1921                            unsigned int num_vecs, const char *driver,
1922                            u32 type, u32 mask,
1923                            const char *generic_driver, unsigned int maxkeysize)
1924 {
1925         struct crypto_ahash *atfm = NULL;
1926         struct ahash_request *req = NULL;
1927         struct crypto_shash *stfm = NULL;
1928         struct shash_desc *desc = NULL;
1929         struct test_sglist *tsgl = NULL;
1930         u8 *hashstate = NULL;
1931         unsigned int statesize;
1932         unsigned int i;
1933         int err;
1934 
1935         /*
1936          * Always test the ahash API.  This works regardless of whether the
1937          * algorithm is implemented as ahash or shash.
1938          */
1939 
1940         atfm = crypto_alloc_ahash(driver, type, mask);
1941         if (IS_ERR(atfm)) {
1942                 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1943                        driver, PTR_ERR(atfm));
1944                 return PTR_ERR(atfm);
1945         }
1946         driver = crypto_ahash_driver_name(atfm);
1947 
1948         req = ahash_request_alloc(atfm, GFP_KERNEL);
1949         if (!req) {
1950                 pr_err("alg: hash: failed to allocate request for %s\n",
1951                        driver);
1952                 err = -ENOMEM;
1953                 goto out;
1954         }
1955 
1956         /*
1957          * If available also test the shash API, to cover corner cases that may
1958          * be missed by testing the ahash API only.
1959          */
1960         err = alloc_shash(driver, type, mask, &stfm, &desc);
1961         if (err)
1962                 goto out;
1963 
1964         tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1965         if (!tsgl || init_test_sglist(tsgl) != 0) {
1966                 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1967                        driver);
1968                 kfree(tsgl);
1969                 tsgl = NULL;
1970                 err = -ENOMEM;
1971                 goto out;
1972         }
1973 
1974         statesize = crypto_ahash_statesize(atfm);
1975         if (stfm)
1976                 statesize = max(statesize, crypto_shash_statesize(stfm));
1977         hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1978         if (!hashstate) {
1979                 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1980                        driver);
1981                 err = -ENOMEM;
1982                 goto out;
1983         }
1984 
1985         for (i = 0; i < num_vecs; i++) {
1986                 if (fips_enabled && vecs[i].fips_skip)
1987                         continue;
1988 
1989                 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1990                 if (err)
1991                         goto out;
1992                 cond_resched();
1993         }
1994         err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1995                                         desc, tsgl, hashstate);
1996 out:
1997         kfree(hashstate);
1998         if (tsgl) {
1999                 destroy_test_sglist(tsgl);
2000                 kfree(tsgl);
2001         }
2002         kfree(desc);
2003         crypto_free_shash(stfm);
2004         ahash_request_free(req);
2005         crypto_free_ahash(atfm);
2006         return err;
2007 }
2008 
2009 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
2010                          u32 type, u32 mask)
2011 {
2012         const struct hash_testvec *template = desc->suite.hash.vecs;
2013         unsigned int tcount = desc->suite.hash.count;
2014         unsigned int nr_unkeyed, nr_keyed;
2015         unsigned int maxkeysize = 0;
2016         int err;
2017 
2018         /*
2019          * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
2020          * first, before setting a key on the tfm.  To make this easier, we
2021          * require that the unkeyed test vectors (if any) are listed first.
2022          */
2023 
2024         for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
2025                 if (template[nr_unkeyed].ksize)
2026                         break;
2027         }
2028         for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
2029                 if (!template[nr_unkeyed + nr_keyed].ksize) {
2030                         pr_err("alg: hash: test vectors for %s out of order, "
2031                                "unkeyed ones must come first\n", desc->alg);
2032                         return -EINVAL;
2033                 }
2034                 maxkeysize = max_t(unsigned int, maxkeysize,
2035                                    template[nr_unkeyed + nr_keyed].ksize);
2036         }
2037 
2038         err = 0;
2039         if (nr_unkeyed) {
2040                 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
2041                                       desc->generic_driver, maxkeysize);
2042                 template += nr_unkeyed;
2043         }
2044 
2045         if (!err && nr_keyed)
2046                 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
2047                                       desc->generic_driver, maxkeysize);
2048 
2049         return err;
2050 }
2051 
2052 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
2053                              const char *vec_name,
2054                              const struct testvec_config *cfg,
2055                              struct aead_request *req,
2056                              struct cipher_test_sglists *tsgls)
2057 {
2058         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2059         const unsigned int alignmask = crypto_aead_alignmask(tfm);
2060         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2061         const unsigned int authsize = vec->clen - vec->plen;
2062         const char *driver = crypto_aead_driver_name(tfm);
2063         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2064         const char *op = enc ? "encryption" : "decryption";
2065         DECLARE_CRYPTO_WAIT(wait);
2066         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2067         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2068                  cfg->iv_offset +
2069                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2070         struct kvec input[2];
2071         int err;
2072 
2073         /* Set the key */
2074         if (vec->wk)
2075                 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2076         else
2077                 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2078 
2079         err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
2080                         cfg, alignmask);
2081         if (err && err != vec->setkey_error) {
2082                 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2083                        driver, vec_name, vec->setkey_error, err,
2084                        crypto_aead_get_flags(tfm));
2085                 return err;
2086         }
2087         if (!err && vec->setkey_error) {
2088                 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2089                        driver, vec_name, vec->setkey_error);
2090                 return -EINVAL;
2091         }
2092 
2093         /* Set the authentication tag size */
2094         err = crypto_aead_setauthsize(tfm, authsize);
2095         if (err && err != vec->setauthsize_error) {
2096                 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
2097                        driver, vec_name, vec->setauthsize_error, err);
2098                 return err;
2099         }
2100         if (!err && vec->setauthsize_error) {
2101                 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
2102                        driver, vec_name, vec->setauthsize_error);
2103                 return -EINVAL;
2104         }
2105 
2106         if (vec->setkey_error || vec->setauthsize_error)
2107                 return 0;
2108 
2109         /* The IV must be copied to a buffer, as the algorithm may modify it */
2110         if (WARN_ON(ivsize > MAX_IVLEN))
2111                 return -EINVAL;
2112         if (vec->iv)
2113                 memcpy(iv, vec->iv, ivsize);
2114         else
2115                 memset(iv, 0, ivsize);
2116 
2117         /* Build the src/dst scatterlists */
2118         input[0].iov_base = (void *)vec->assoc;
2119         input[0].iov_len = vec->alen;
2120         input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2121         input[1].iov_len = enc ? vec->plen : vec->clen;
2122         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2123                                         vec->alen + (enc ? vec->plen :
2124                                                      vec->clen),
2125                                         vec->alen + (enc ? vec->clen :
2126                                                      vec->plen),
2127                                         input, 2);
2128         if (err) {
2129                 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2130                        driver, op, vec_name, cfg->name);
2131                 return err;
2132         }
2133 
2134         /* Do the actual encryption or decryption */
2135         testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2136         aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2137         aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2138                                enc ? vec->plen : vec->clen, iv);
2139         aead_request_set_ad(req, vec->alen);
2140         if (cfg->nosimd)
2141                 crypto_disable_simd_for_test();
2142         err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2143         if (cfg->nosimd)
2144                 crypto_reenable_simd_for_test();
2145         err = crypto_wait_req(err, &wait);
2146 
2147         /* Check that the algorithm didn't overwrite things it shouldn't have */
2148         if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2149             req->assoclen != vec->alen ||
2150             req->iv != iv ||
2151             req->src != tsgls->src.sgl_ptr ||
2152             req->dst != tsgls->dst.sgl_ptr ||
2153             crypto_aead_reqtfm(req) != tfm ||
2154             req->base.complete != crypto_req_done ||
2155             req->base.flags != req_flags ||
2156             req->base.data != &wait) {
2157                 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2158                        driver, op, vec_name, cfg->name);
2159                 if (req->cryptlen != (enc ? vec->plen : vec->clen))
2160                         pr_err("alg: aead: changed 'req->cryptlen'\n");
2161                 if (req->assoclen != vec->alen)
2162                         pr_err("alg: aead: changed 'req->assoclen'\n");
2163                 if (req->iv != iv)
2164                         pr_err("alg: aead: changed 'req->iv'\n");
2165                 if (req->src != tsgls->src.sgl_ptr)
2166                         pr_err("alg: aead: changed 'req->src'\n");
2167                 if (req->dst != tsgls->dst.sgl_ptr)
2168                         pr_err("alg: aead: changed 'req->dst'\n");
2169                 if (crypto_aead_reqtfm(req) != tfm)
2170                         pr_err("alg: aead: changed 'req->base.tfm'\n");
2171                 if (req->base.complete != crypto_req_done)
2172                         pr_err("alg: aead: changed 'req->base.complete'\n");
2173                 if (req->base.flags != req_flags)
2174                         pr_err("alg: aead: changed 'req->base.flags'\n");
2175                 if (req->base.data != &wait)
2176                         pr_err("alg: aead: changed 'req->base.data'\n");
2177                 return -EINVAL;
2178         }
2179         if (is_test_sglist_corrupted(&tsgls->src)) {
2180                 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2181                        driver, op, vec_name, cfg->name);
2182                 return -EINVAL;
2183         }
2184         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2185             is_test_sglist_corrupted(&tsgls->dst)) {
2186                 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2187                        driver, op, vec_name, cfg->name);
2188                 return -EINVAL;
2189         }
2190 
2191         /* Check for unexpected success or failure, or wrong error code */
2192         if ((err == 0 && vec->novrfy) ||
2193             (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2194                 char expected_error[32];
2195 
2196                 if (vec->novrfy &&
2197                     vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2198                         sprintf(expected_error, "-EBADMSG or %d",
2199                                 vec->crypt_error);
2200                 else if (vec->novrfy)
2201                         sprintf(expected_error, "-EBADMSG");
2202                 else
2203                         sprintf(expected_error, "%d", vec->crypt_error);
2204                 if (err) {
2205                         pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2206                                driver, op, vec_name, expected_error, err,
2207                                cfg->name);
2208                         return err;
2209                 }
2210                 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2211                        driver, op, vec_name, expected_error, cfg->name);
2212                 return -EINVAL;
2213         }
2214         if (err) /* Expectedly failed. */
2215                 return 0;
2216 
2217         /* Check for the correct output (ciphertext or plaintext) */
2218         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2219                                     enc ? vec->clen : vec->plen,
2220                                     vec->alen,
2221                                     enc || cfg->inplace_mode == OUT_OF_PLACE);
2222         if (err == -EOVERFLOW) {
2223                 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2224                        driver, op, vec_name, cfg->name);
2225                 return err;
2226         }
2227         if (err) {
2228                 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2229                        driver, op, vec_name, cfg->name);
2230                 return err;
2231         }
2232 
2233         return 0;
2234 }
2235 
2236 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2237                          unsigned int vec_num, struct aead_request *req,
2238                          struct cipher_test_sglists *tsgls)
2239 {
2240         char vec_name[16];
2241         unsigned int i;
2242         int err;
2243 
2244         if (enc && vec->novrfy)
2245                 return 0;
2246 
2247         sprintf(vec_name, "%u", vec_num);
2248 
2249         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2250                 err = test_aead_vec_cfg(enc, vec, vec_name,
2251                                         &default_cipher_testvec_configs[i],
2252                                         req, tsgls);
2253                 if (err)
2254                         return err;
2255         }
2256 
2257 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2258         if (!noextratests) {
2259                 struct rnd_state rng;
2260                 struct testvec_config cfg;
2261                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2262 
2263                 init_rnd_state(&rng);
2264 
2265                 for (i = 0; i < fuzz_iterations; i++) {
2266                         generate_random_testvec_config(&rng, &cfg, cfgname,
2267                                                        sizeof(cfgname));
2268                         err = test_aead_vec_cfg(enc, vec, vec_name,
2269                                                 &cfg, req, tsgls);
2270                         if (err)
2271                                 return err;
2272                         cond_resched();
2273                 }
2274         }
2275 #endif
2276         return 0;
2277 }
2278 
2279 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2280 
2281 struct aead_extra_tests_ctx {
2282         struct rnd_state rng;
2283         struct aead_request *req;
2284         struct crypto_aead *tfm;
2285         const struct alg_test_desc *test_desc;
2286         struct cipher_test_sglists *tsgls;
2287         unsigned int maxdatasize;
2288         unsigned int maxkeysize;
2289 
2290         struct aead_testvec vec;
2291         char vec_name[64];
2292         char cfgname[TESTVEC_CONFIG_NAMELEN];
2293         struct testvec_config cfg;
2294 };
2295 
2296 /*
2297  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2298  * here means the full ciphertext including the authentication tag.  The
2299  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2300  */
2301 static void mutate_aead_message(struct rnd_state *rng,
2302                                 struct aead_testvec *vec, bool aad_iv,
2303                                 unsigned int ivsize)
2304 {
2305         const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2306         const unsigned int authsize = vec->clen - vec->plen;
2307 
2308         if (prandom_bool(rng) && vec->alen > aad_tail_size) {
2309                  /* Mutate the AAD */
2310                 flip_random_bit(rng, (u8 *)vec->assoc,
2311                                 vec->alen - aad_tail_size);
2312                 if (prandom_bool(rng))
2313                         return;
2314         }
2315         if (prandom_bool(rng)) {
2316                 /* Mutate auth tag (assuming it's at the end of ciphertext) */
2317                 flip_random_bit(rng, (u8 *)vec->ctext + vec->plen, authsize);
2318         } else {
2319                 /* Mutate any part of the ciphertext */
2320                 flip_random_bit(rng, (u8 *)vec->ctext, vec->clen);
2321         }
2322 }
2323 
2324 /*
2325  * Minimum authentication tag size in bytes at which we assume that we can
2326  * reliably generate inauthentic messages, i.e. not generate an authentic
2327  * message by chance.
2328  */
2329 #define MIN_COLLISION_FREE_AUTHSIZE 8
2330 
2331 static void generate_aead_message(struct rnd_state *rng,
2332                                   struct aead_request *req,
2333                                   const struct aead_test_suite *suite,
2334                                   struct aead_testvec *vec,
2335                                   bool prefer_inauthentic)
2336 {
2337         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2338         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2339         const unsigned int authsize = vec->clen - vec->plen;
2340         const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2341                                  (prefer_inauthentic ||
2342                                   prandom_u32_below(rng, 4) == 0);
2343 
2344         /* Generate the AAD. */
2345         generate_random_bytes(rng, (u8 *)vec->assoc, vec->alen);
2346         if (suite->aad_iv && vec->alen >= ivsize)
2347                 /* Avoid implementation-defined behavior. */
2348                 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2349 
2350         if (inauthentic && prandom_bool(rng)) {
2351                 /* Generate a random ciphertext. */
2352                 generate_random_bytes(rng, (u8 *)vec->ctext, vec->clen);
2353         } else {
2354                 int i = 0;
2355                 struct scatterlist src[2], dst;
2356                 u8 iv[MAX_IVLEN];
2357                 DECLARE_CRYPTO_WAIT(wait);
2358 
2359                 /* Generate a random plaintext and encrypt it. */
2360                 sg_init_table(src, 2);
2361                 if (vec->alen)
2362                         sg_set_buf(&src[i++], vec->assoc, vec->alen);
2363                 if (vec->plen) {
2364                         generate_random_bytes(rng, (u8 *)vec->ptext, vec->plen);
2365                         sg_set_buf(&src[i++], vec->ptext, vec->plen);
2366                 }
2367                 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2368                 memcpy(iv, vec->iv, ivsize);
2369                 aead_request_set_callback(req, 0, crypto_req_done, &wait);
2370                 aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2371                 aead_request_set_ad(req, vec->alen);
2372                 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2373                                                    &wait);
2374                 /* If encryption failed, we're done. */
2375                 if (vec->crypt_error != 0)
2376                         return;
2377                 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2378                 if (!inauthentic)
2379                         return;
2380                 /*
2381                  * Mutate the authentic (ciphertext, AAD) pair to get an
2382                  * inauthentic one.
2383                  */
2384                 mutate_aead_message(rng, vec, suite->aad_iv, ivsize);
2385         }
2386         vec->novrfy = 1;
2387         if (suite->einval_allowed)
2388                 vec->crypt_error = -EINVAL;
2389 }
2390 
2391 /*
2392  * Generate an AEAD test vector 'vec' using the implementation specified by
2393  * 'req'.  The buffers in 'vec' must already be allocated.
2394  *
2395  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2396  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2397  */
2398 static void generate_random_aead_testvec(struct rnd_state *rng,
2399                                          struct aead_request *req,
2400                                          struct aead_testvec *vec,
2401                                          const struct aead_test_suite *suite,
2402                                          unsigned int maxkeysize,
2403                                          unsigned int maxdatasize,
2404                                          char *name, size_t max_namelen,
2405                                          bool prefer_inauthentic)
2406 {
2407         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2408         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2409         const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2410         unsigned int authsize;
2411         unsigned int total_len;
2412 
2413         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2414         vec->klen = maxkeysize;
2415         if (prandom_u32_below(rng, 4) == 0)
2416                 vec->klen = prandom_u32_below(rng, maxkeysize + 1);
2417         generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
2418         vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2419 
2420         /* IV */
2421         generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
2422 
2423         /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2424         authsize = maxauthsize;
2425         if (prandom_u32_below(rng, 4) == 0)
2426                 authsize = prandom_u32_below(rng, maxauthsize + 1);
2427         if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2428                 authsize = MIN_COLLISION_FREE_AUTHSIZE;
2429         if (WARN_ON(authsize > maxdatasize))
2430                 authsize = maxdatasize;
2431         maxdatasize -= authsize;
2432         vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2433 
2434         /* AAD, plaintext, and ciphertext lengths */
2435         total_len = generate_random_length(rng, maxdatasize);
2436         if (prandom_u32_below(rng, 4) == 0)
2437                 vec->alen = 0;
2438         else
2439                 vec->alen = generate_random_length(rng, total_len);
2440         vec->plen = total_len - vec->alen;
2441         vec->clen = vec->plen + authsize;
2442 
2443         /*
2444          * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2445          * key or the authentication tag size couldn't be set.
2446          */
2447         vec->novrfy = 0;
2448         vec->crypt_error = 0;
2449         if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2450                 generate_aead_message(rng, req, suite, vec, prefer_inauthentic);
2451         snprintf(name, max_namelen,
2452                  "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2453                  vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2454 }
2455 
2456 static void try_to_generate_inauthentic_testvec(
2457                                         struct aead_extra_tests_ctx *ctx)
2458 {
2459         int i;
2460 
2461         for (i = 0; i < 10; i++) {
2462                 generate_random_aead_testvec(&ctx->rng, ctx->req, &ctx->vec,
2463                                              &ctx->test_desc->suite.aead,
2464                                              ctx->maxkeysize, ctx->maxdatasize,
2465                                              ctx->vec_name,
2466                                              sizeof(ctx->vec_name), true);
2467                 if (ctx->vec.novrfy)
2468                         return;
2469         }
2470 }
2471 
2472 /*
2473  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2474  * result of an encryption with the key) and verify that decryption fails.
2475  */
2476 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2477 {
2478         unsigned int i;
2479         int err;
2480 
2481         for (i = 0; i < fuzz_iterations * 8; i++) {
2482                 /*
2483                  * Since this part of the tests isn't comparing the
2484                  * implementation to another, there's no point in testing any
2485                  * test vectors other than inauthentic ones (vec.novrfy=1) here.
2486                  *
2487                  * If we're having trouble generating such a test vector, e.g.
2488                  * if the algorithm keeps rejecting the generated keys, don't
2489                  * retry forever; just continue on.
2490                  */
2491                 try_to_generate_inauthentic_testvec(ctx);
2492                 if (ctx->vec.novrfy) {
2493                         generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2494                                                        ctx->cfgname,
2495                                                        sizeof(ctx->cfgname));
2496                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2497                                                 ctx->vec_name, &ctx->cfg,
2498                                                 ctx->req, ctx->tsgls);
2499                         if (err)
2500                                 return err;
2501                 }
2502                 cond_resched();
2503         }
2504         return 0;
2505 }
2506 
2507 /*
2508  * Test the AEAD algorithm against the corresponding generic implementation, if
2509  * one is available.
2510  */
2511 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2512 {
2513         struct crypto_aead *tfm = ctx->tfm;
2514         const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2515         const char *driver = crypto_aead_driver_name(tfm);
2516         const char *generic_driver = ctx->test_desc->generic_driver;
2517         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2518         struct crypto_aead *generic_tfm = NULL;
2519         struct aead_request *generic_req = NULL;
2520         unsigned int i;
2521         int err;
2522 
2523         if (!generic_driver) { /* Use default naming convention? */
2524                 err = build_generic_driver_name(algname, _generic_driver);
2525                 if (err)
2526                         return err;
2527                 generic_driver = _generic_driver;
2528         }
2529 
2530         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2531                 return 0;
2532 
2533         generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2534         if (IS_ERR(generic_tfm)) {
2535                 err = PTR_ERR(generic_tfm);
2536                 if (err == -ENOENT) {
2537                         pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2538                                 driver, generic_driver);
2539                         return 0;
2540                 }
2541                 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2542                        generic_driver, algname, err);
2543                 return err;
2544         }
2545 
2546         generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2547         if (!generic_req) {
2548                 err = -ENOMEM;
2549                 goto out;
2550         }
2551 
2552         /* Check the algorithm properties for consistency. */
2553 
2554         if (crypto_aead_maxauthsize(tfm) !=
2555             crypto_aead_maxauthsize(generic_tfm)) {
2556                 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2557                        driver, crypto_aead_maxauthsize(tfm),
2558                        crypto_aead_maxauthsize(generic_tfm));
2559                 err = -EINVAL;
2560                 goto out;
2561         }
2562 
2563         if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2564                 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2565                        driver, crypto_aead_ivsize(tfm),
2566                        crypto_aead_ivsize(generic_tfm));
2567                 err = -EINVAL;
2568                 goto out;
2569         }
2570 
2571         if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2572                 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2573                        driver, crypto_aead_blocksize(tfm),
2574                        crypto_aead_blocksize(generic_tfm));
2575                 err = -EINVAL;
2576                 goto out;
2577         }
2578 
2579         /*
2580          * Now generate test vectors using the generic implementation, and test
2581          * the other implementation against them.
2582          */
2583         for (i = 0; i < fuzz_iterations * 8; i++) {
2584                 generate_random_aead_testvec(&ctx->rng, generic_req, &ctx->vec,
2585                                              &ctx->test_desc->suite.aead,
2586                                              ctx->maxkeysize, ctx->maxdatasize,
2587                                              ctx->vec_name,
2588                                              sizeof(ctx->vec_name), false);
2589                 generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2590                                                ctx->cfgname,
2591                                                sizeof(ctx->cfgname));
2592                 if (!ctx->vec.novrfy) {
2593                         err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2594                                                 ctx->vec_name, &ctx->cfg,
2595                                                 ctx->req, ctx->tsgls);
2596                         if (err)
2597                                 goto out;
2598                 }
2599                 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2600                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2601                                                 ctx->vec_name, &ctx->cfg,
2602                                                 ctx->req, ctx->tsgls);
2603                         if (err)
2604                                 goto out;
2605                 }
2606                 cond_resched();
2607         }
2608         err = 0;
2609 out:
2610         crypto_free_aead(generic_tfm);
2611         aead_request_free(generic_req);
2612         return err;
2613 }
2614 
2615 static int test_aead_extra(const struct alg_test_desc *test_desc,
2616                            struct aead_request *req,
2617                            struct cipher_test_sglists *tsgls)
2618 {
2619         struct aead_extra_tests_ctx *ctx;
2620         unsigned int i;
2621         int err;
2622 
2623         if (noextratests)
2624                 return 0;
2625 
2626         ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2627         if (!ctx)
2628                 return -ENOMEM;
2629         init_rnd_state(&ctx->rng);
2630         ctx->req = req;
2631         ctx->tfm = crypto_aead_reqtfm(req);
2632         ctx->test_desc = test_desc;
2633         ctx->tsgls = tsgls;
2634         ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2635         ctx->maxkeysize = 0;
2636         for (i = 0; i < test_desc->suite.aead.count; i++)
2637                 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2638                                         test_desc->suite.aead.vecs[i].klen);
2639 
2640         ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2641         ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2642         ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2643         ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2644         ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2645         if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2646             !ctx->vec.ptext || !ctx->vec.ctext) {
2647                 err = -ENOMEM;
2648                 goto out;
2649         }
2650 
2651         err = test_aead_vs_generic_impl(ctx);
2652         if (err)
2653                 goto out;
2654 
2655         err = test_aead_inauthentic_inputs(ctx);
2656 out:
2657         kfree(ctx->vec.key);
2658         kfree(ctx->vec.iv);
2659         kfree(ctx->vec.assoc);
2660         kfree(ctx->vec.ptext);
2661         kfree(ctx->vec.ctext);
2662         kfree(ctx);
2663         return err;
2664 }
2665 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2666 static int test_aead_extra(const struct alg_test_desc *test_desc,
2667                            struct aead_request *req,
2668                            struct cipher_test_sglists *tsgls)
2669 {
2670         return 0;
2671 }
2672 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2673 
2674 static int test_aead(int enc, const struct aead_test_suite *suite,
2675                      struct aead_request *req,
2676                      struct cipher_test_sglists *tsgls)
2677 {
2678         unsigned int i;
2679         int err;
2680 
2681         for (i = 0; i < suite->count; i++) {
2682                 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2683                 if (err)
2684                         return err;
2685                 cond_resched();
2686         }
2687         return 0;
2688 }
2689 
2690 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2691                          u32 type, u32 mask)
2692 {
2693         const struct aead_test_suite *suite = &desc->suite.aead;
2694         struct crypto_aead *tfm;
2695         struct aead_request *req = NULL;
2696         struct cipher_test_sglists *tsgls = NULL;
2697         int err;
2698 
2699         if (suite->count <= 0) {
2700                 pr_err("alg: aead: empty test suite for %s\n", driver);
2701                 return -EINVAL;
2702         }
2703 
2704         tfm = crypto_alloc_aead(driver, type, mask);
2705         if (IS_ERR(tfm)) {
2706                 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2707                        driver, PTR_ERR(tfm));
2708                 return PTR_ERR(tfm);
2709         }
2710         driver = crypto_aead_driver_name(tfm);
2711 
2712         req = aead_request_alloc(tfm, GFP_KERNEL);
2713         if (!req) {
2714                 pr_err("alg: aead: failed to allocate request for %s\n",
2715                        driver);
2716                 err = -ENOMEM;
2717                 goto out;
2718         }
2719 
2720         tsgls = alloc_cipher_test_sglists();
2721         if (!tsgls) {
2722                 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2723                        driver);
2724                 err = -ENOMEM;
2725                 goto out;
2726         }
2727 
2728         err = test_aead(ENCRYPT, suite, req, tsgls);
2729         if (err)
2730                 goto out;
2731 
2732         err = test_aead(DECRYPT, suite, req, tsgls);
2733         if (err)
2734                 goto out;
2735 
2736         err = test_aead_extra(desc, req, tsgls);
2737 out:
2738         free_cipher_test_sglists(tsgls);
2739         aead_request_free(req);
2740         crypto_free_aead(tfm);
2741         return err;
2742 }
2743 
2744 static int test_cipher(struct crypto_cipher *tfm, int enc,
2745                        const struct cipher_testvec *template,
2746                        unsigned int tcount)
2747 {
2748         const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2749         unsigned int i, j, k;
2750         char *q;
2751         const char *e;
2752         const char *input, *result;
2753         void *data;
2754         char *xbuf[XBUFSIZE];
2755         int ret = -ENOMEM;
2756 
2757         if (testmgr_alloc_buf(xbuf))
2758                 goto out_nobuf;
2759 
2760         if (enc == ENCRYPT)
2761                 e = "encryption";
2762         else
2763                 e = "decryption";
2764 
2765         j = 0;
2766         for (i = 0; i < tcount; i++) {
2767 
2768                 if (fips_enabled && template[i].fips_skip)
2769                         continue;
2770 
2771                 input  = enc ? template[i].ptext : template[i].ctext;
2772                 result = enc ? template[i].ctext : template[i].ptext;
2773                 j++;
2774 
2775                 ret = -EINVAL;
2776                 if (WARN_ON(template[i].len > PAGE_SIZE))
2777                         goto out;
2778 
2779                 data = xbuf[0];
2780                 memcpy(data, input, template[i].len);
2781 
2782                 crypto_cipher_clear_flags(tfm, ~0);
2783                 if (template[i].wk)
2784                         crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2785 
2786                 ret = crypto_cipher_setkey(tfm, template[i].key,
2787                                            template[i].klen);
2788                 if (ret) {
2789                         if (ret == template[i].setkey_error)
2790                                 continue;
2791                         pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2792                                algo, j, template[i].setkey_error, ret,
2793                                crypto_cipher_get_flags(tfm));
2794                         goto out;
2795                 }
2796                 if (template[i].setkey_error) {
2797                         pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2798                                algo, j, template[i].setkey_error);
2799                         ret = -EINVAL;
2800                         goto out;
2801                 }
2802 
2803                 for (k = 0; k < template[i].len;
2804                      k += crypto_cipher_blocksize(tfm)) {
2805                         if (enc)
2806                                 crypto_cipher_encrypt_one(tfm, data + k,
2807                                                           data + k);
2808                         else
2809                                 crypto_cipher_decrypt_one(tfm, data + k,
2810                                                           data + k);
2811                 }
2812 
2813                 q = data;
2814                 if (memcmp(q, result, template[i].len)) {
2815                         printk(KERN_ERR "alg: cipher: Test %d failed "
2816                                "on %s for %s\n", j, e, algo);
2817                         hexdump(q, template[i].len);
2818                         ret = -EINVAL;
2819                         goto out;
2820                 }
2821         }
2822 
2823         ret = 0;
2824 
2825 out:
2826         testmgr_free_buf(xbuf);
2827 out_nobuf:
2828         return ret;
2829 }
2830 
2831 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2832                                  const char *vec_name,
2833                                  const struct testvec_config *cfg,
2834                                  struct skcipher_request *req,
2835                                  struct cipher_test_sglists *tsgls)
2836 {
2837         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2838         const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2839         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2840         const char *driver = crypto_skcipher_driver_name(tfm);
2841         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2842         const char *op = enc ? "encryption" : "decryption";
2843         DECLARE_CRYPTO_WAIT(wait);
2844         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2845         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2846                  cfg->iv_offset +
2847                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2848         struct kvec input;
2849         int err;
2850 
2851         /* Set the key */
2852         if (vec->wk)
2853                 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2854         else
2855                 crypto_skcipher_clear_flags(tfm,
2856                                             CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2857         err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2858                         cfg, alignmask);
2859         if (err) {
2860                 if (err == vec->setkey_error)
2861                         return 0;
2862                 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2863                        driver, vec_name, vec->setkey_error, err,
2864                        crypto_skcipher_get_flags(tfm));
2865                 return err;
2866         }
2867         if (vec->setkey_error) {
2868                 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2869                        driver, vec_name, vec->setkey_error);
2870                 return -EINVAL;
2871         }
2872 
2873         /* The IV must be copied to a buffer, as the algorithm may modify it */
2874         if (ivsize) {
2875                 if (WARN_ON(ivsize > MAX_IVLEN))
2876                         return -EINVAL;
2877                 if (vec->generates_iv && !enc)
2878                         memcpy(iv, vec->iv_out, ivsize);
2879                 else if (vec->iv)
2880                         memcpy(iv, vec->iv, ivsize);
2881                 else
2882                         memset(iv, 0, ivsize);
2883         } else {
2884                 if (vec->generates_iv) {
2885                         pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2886                                driver, vec_name);
2887                         return -EINVAL;
2888                 }
2889                 iv = NULL;
2890         }
2891 
2892         /* Build the src/dst scatterlists */
2893         input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2894         input.iov_len = vec->len;
2895         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2896                                         vec->len, vec->len, &input, 1);
2897         if (err) {
2898                 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2899                        driver, op, vec_name, cfg->name);
2900                 return err;
2901         }
2902 
2903         /* Do the actual encryption or decryption */
2904         testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2905         skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2906         skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2907                                    vec->len, iv);
2908         if (cfg->nosimd)
2909                 crypto_disable_simd_for_test();
2910         err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2911         if (cfg->nosimd)
2912                 crypto_reenable_simd_for_test();
2913         err = crypto_wait_req(err, &wait);
2914 
2915         /* Check that the algorithm didn't overwrite things it shouldn't have */
2916         if (req->cryptlen != vec->len ||
2917             req->iv != iv ||
2918             req->src != tsgls->src.sgl_ptr ||
2919             req->dst != tsgls->dst.sgl_ptr ||
2920             crypto_skcipher_reqtfm(req) != tfm ||
2921             req->base.complete != crypto_req_done ||
2922             req->base.flags != req_flags ||
2923             req->base.data != &wait) {
2924                 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2925                        driver, op, vec_name, cfg->name);
2926                 if (req->cryptlen != vec->len)
2927                         pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2928                 if (req->iv != iv)
2929                         pr_err("alg: skcipher: changed 'req->iv'\n");
2930                 if (req->src != tsgls->src.sgl_ptr)
2931                         pr_err("alg: skcipher: changed 'req->src'\n");
2932                 if (req->dst != tsgls->dst.sgl_ptr)
2933                         pr_err("alg: skcipher: changed 'req->dst'\n");
2934                 if (crypto_skcipher_reqtfm(req) != tfm)
2935                         pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2936                 if (req->base.complete != crypto_req_done)
2937                         pr_err("alg: skcipher: changed 'req->base.complete'\n");
2938                 if (req->base.flags != req_flags)
2939                         pr_err("alg: skcipher: changed 'req->base.flags'\n");
2940                 if (req->base.data != &wait)
2941                         pr_err("alg: skcipher: changed 'req->base.data'\n");
2942                 return -EINVAL;
2943         }
2944         if (is_test_sglist_corrupted(&tsgls->src)) {
2945                 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2946                        driver, op, vec_name, cfg->name);
2947                 return -EINVAL;
2948         }
2949         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2950             is_test_sglist_corrupted(&tsgls->dst)) {
2951                 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2952                        driver, op, vec_name, cfg->name);
2953                 return -EINVAL;
2954         }
2955 
2956         /* Check for success or failure */
2957         if (err) {
2958                 if (err == vec->crypt_error)
2959                         return 0;
2960                 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2961                        driver, op, vec_name, vec->crypt_error, err, cfg->name);
2962                 return err;
2963         }
2964         if (vec->crypt_error) {
2965                 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2966                        driver, op, vec_name, vec->crypt_error, cfg->name);
2967                 return -EINVAL;
2968         }
2969 
2970         /* Check for the correct output (ciphertext or plaintext) */
2971         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2972                                     vec->len, 0, true);
2973         if (err == -EOVERFLOW) {
2974                 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2975                        driver, op, vec_name, cfg->name);
2976                 return err;
2977         }
2978         if (err) {
2979                 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2980                        driver, op, vec_name, cfg->name);
2981                 return err;
2982         }
2983 
2984         /* If applicable, check that the algorithm generated the correct IV */
2985         if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2986                 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2987                        driver, op, vec_name, cfg->name);
2988                 hexdump(iv, ivsize);
2989                 return -EINVAL;
2990         }
2991 
2992         return 0;
2993 }
2994 
2995 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2996                              unsigned int vec_num,
2997                              struct skcipher_request *req,
2998                              struct cipher_test_sglists *tsgls)
2999 {
3000         char vec_name[16];
3001         unsigned int i;
3002         int err;
3003 
3004         if (fips_enabled && vec->fips_skip)
3005                 return 0;
3006 
3007         sprintf(vec_name, "%u", vec_num);
3008 
3009         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
3010                 err = test_skcipher_vec_cfg(enc, vec, vec_name,
3011                                             &default_cipher_testvec_configs[i],
3012                                             req, tsgls);
3013                 if (err)
3014                         return err;
3015         }
3016 
3017 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3018         if (!noextratests) {
3019                 struct rnd_state rng;
3020                 struct testvec_config cfg;
3021                 char cfgname[TESTVEC_CONFIG_NAMELEN];
3022 
3023                 init_rnd_state(&rng);
3024 
3025                 for (i = 0; i < fuzz_iterations; i++) {
3026                         generate_random_testvec_config(&rng, &cfg, cfgname,
3027                                                        sizeof(cfgname));
3028                         err = test_skcipher_vec_cfg(enc, vec, vec_name,
3029                                                     &cfg, req, tsgls);
3030                         if (err)
3031                                 return err;
3032                         cond_resched();
3033                 }
3034         }
3035 #endif
3036         return 0;
3037 }
3038 
3039 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3040 /*
3041  * Generate a symmetric cipher test vector from the given implementation.
3042  * Assumes the buffers in 'vec' were already allocated.
3043  */
3044 static void generate_random_cipher_testvec(struct rnd_state *rng,
3045                                            struct skcipher_request *req,
3046                                            struct cipher_testvec *vec,
3047                                            unsigned int maxdatasize,
3048                                            char *name, size_t max_namelen)
3049 {
3050         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3051         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3052         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3053         struct scatterlist src, dst;
3054         u8 iv[MAX_IVLEN];
3055         DECLARE_CRYPTO_WAIT(wait);
3056 
3057         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
3058         vec->klen = maxkeysize;
3059         if (prandom_u32_below(rng, 4) == 0)
3060                 vec->klen = prandom_u32_below(rng, maxkeysize + 1);
3061         generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
3062         vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
3063 
3064         /* IV */
3065         generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
3066 
3067         /* Plaintext */
3068         vec->len = generate_random_length(rng, maxdatasize);
3069         generate_random_bytes(rng, (u8 *)vec->ptext, vec->len);
3070 
3071         /* If the key couldn't be set, no need to continue to encrypt. */
3072         if (vec->setkey_error)
3073                 goto done;
3074 
3075         /* Ciphertext */
3076         sg_init_one(&src, vec->ptext, vec->len);
3077         sg_init_one(&dst, vec->ctext, vec->len);
3078         memcpy(iv, vec->iv, ivsize);
3079         skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
3080         skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
3081         vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
3082         if (vec->crypt_error != 0) {
3083                 /*
3084                  * The only acceptable error here is for an invalid length, so
3085                  * skcipher decryption should fail with the same error too.
3086                  * We'll test for this.  But to keep the API usage well-defined,
3087                  * explicitly initialize the ciphertext buffer too.
3088                  */
3089                 memset((u8 *)vec->ctext, 0, vec->len);
3090         }
3091 done:
3092         snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
3093                  vec->len, vec->klen);
3094 }
3095 
3096 /*
3097  * Test the skcipher algorithm represented by @req against the corresponding
3098  * generic implementation, if one is available.
3099  */
3100 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3101                                          struct skcipher_request *req,
3102                                          struct cipher_test_sglists *tsgls)
3103 {
3104         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3105         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3106         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3107         const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
3108         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
3109         const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
3110         const char *driver = crypto_skcipher_driver_name(tfm);
3111         struct rnd_state rng;
3112         char _generic_driver[CRYPTO_MAX_ALG_NAME];
3113         struct crypto_skcipher *generic_tfm = NULL;
3114         struct skcipher_request *generic_req = NULL;
3115         unsigned int i;
3116         struct cipher_testvec vec = { 0 };
3117         char vec_name[64];
3118         struct testvec_config *cfg;
3119         char cfgname[TESTVEC_CONFIG_NAMELEN];
3120         int err;
3121 
3122         if (noextratests)
3123                 return 0;
3124 
3125         /* Keywrap isn't supported here yet as it handles its IV differently. */
3126         if (strncmp(algname, "kw(", 3) == 0)
3127                 return 0;
3128 
3129         init_rnd_state(&rng);
3130 
3131         if (!generic_driver) { /* Use default naming convention? */
3132                 err = build_generic_driver_name(algname, _generic_driver);
3133                 if (err)
3134                         return err;
3135                 generic_driver = _generic_driver;
3136         }
3137 
3138         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3139                 return 0;
3140 
3141         generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3142         if (IS_ERR(generic_tfm)) {
3143                 err = PTR_ERR(generic_tfm);
3144                 if (err == -ENOENT) {
3145                         pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3146                                 driver, generic_driver);
3147                         return 0;
3148                 }
3149                 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3150                        generic_driver, algname, err);
3151                 return err;
3152         }
3153 
3154         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3155         if (!cfg) {
3156                 err = -ENOMEM;
3157                 goto out;
3158         }
3159 
3160         generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3161         if (!generic_req) {
3162                 err = -ENOMEM;
3163                 goto out;
3164         }
3165 
3166         /* Check the algorithm properties for consistency. */
3167 
3168         if (crypto_skcipher_min_keysize(tfm) !=
3169             crypto_skcipher_min_keysize(generic_tfm)) {
3170                 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3171                        driver, crypto_skcipher_min_keysize(tfm),
3172                        crypto_skcipher_min_keysize(generic_tfm));
3173                 err = -EINVAL;
3174                 goto out;
3175         }
3176 
3177         if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3178                 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3179                        driver, maxkeysize,
3180                        crypto_skcipher_max_keysize(generic_tfm));
3181                 err = -EINVAL;
3182                 goto out;
3183         }
3184 
3185         if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3186                 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3187                        driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3188                 err = -EINVAL;
3189                 goto out;
3190         }
3191 
3192         if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3193                 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3194                        driver, blocksize,
3195                        crypto_skcipher_blocksize(generic_tfm));
3196                 err = -EINVAL;
3197                 goto out;
3198         }
3199 
3200         /*
3201          * Now generate test vectors using the generic implementation, and test
3202          * the other implementation against them.
3203          */
3204 
3205         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3206         vec.iv = kmalloc(ivsize, GFP_KERNEL);
3207         vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3208         vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3209         if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3210                 err = -ENOMEM;
3211                 goto out;
3212         }
3213 
3214         for (i = 0; i < fuzz_iterations * 8; i++) {
3215                 generate_random_cipher_testvec(&rng, generic_req, &vec,
3216                                                maxdatasize,
3217                                                vec_name, sizeof(vec_name));
3218                 generate_random_testvec_config(&rng, cfg, cfgname,
3219                                                sizeof(cfgname));
3220 
3221                 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3222                                             cfg, req, tsgls);
3223                 if (err)
3224                         goto out;
3225                 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3226                                             cfg, req, tsgls);
3227                 if (err)
3228                         goto out;
3229                 cond_resched();
3230         }
3231         err = 0;
3232 out:
3233         kfree(cfg);
3234         kfree(vec.key);
3235         kfree(vec.iv);
3236         kfree(vec.ptext);
3237         kfree(vec.ctext);
3238         crypto_free_skcipher(generic_tfm);
3239         skcipher_request_free(generic_req);
3240         return err;
3241 }
3242 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3243 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3244                                          struct skcipher_request *req,
3245                                          struct cipher_test_sglists *tsgls)
3246 {
3247         return 0;
3248 }
3249 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3250 
3251 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3252                          struct skcipher_request *req,
3253                          struct cipher_test_sglists *tsgls)
3254 {
3255         unsigned int i;
3256         int err;
3257 
3258         for (i = 0; i < suite->count; i++) {
3259                 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3260                 if (err)
3261                         return err;
3262                 cond_resched();
3263         }
3264         return 0;
3265 }
3266 
3267 static int alg_test_skcipher(const struct alg_test_desc *desc,
3268                              const char *driver, u32 type, u32 mask)
3269 {
3270         const struct cipher_test_suite *suite = &desc->suite.cipher;
3271         struct crypto_skcipher *tfm;
3272         struct skcipher_request *req = NULL;
3273         struct cipher_test_sglists *tsgls = NULL;
3274         int err;
3275 
3276         if (suite->count <= 0) {
3277                 pr_err("alg: skcipher: empty test suite for %s\n", driver);
3278                 return -EINVAL;
3279         }
3280 
3281         tfm = crypto_alloc_skcipher(driver, type, mask);
3282         if (IS_ERR(tfm)) {
3283                 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3284                        driver, PTR_ERR(tfm));
3285                 return PTR_ERR(tfm);
3286         }
3287         driver = crypto_skcipher_driver_name(tfm);
3288 
3289         req = skcipher_request_alloc(tfm, GFP_KERNEL);
3290         if (!req) {
3291                 pr_err("alg: skcipher: failed to allocate request for %s\n",
3292                        driver);
3293                 err = -ENOMEM;
3294                 goto out;
3295         }
3296 
3297         tsgls = alloc_cipher_test_sglists();
3298         if (!tsgls) {
3299                 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3300                        driver);
3301                 err = -ENOMEM;
3302                 goto out;
3303         }
3304 
3305         err = test_skcipher(ENCRYPT, suite, req, tsgls);
3306         if (err)
3307                 goto out;
3308 
3309         err = test_skcipher(DECRYPT, suite, req, tsgls);
3310         if (err)
3311                 goto out;
3312 
3313         err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3314 out:
3315         free_cipher_test_sglists(tsgls);
3316         skcipher_request_free(req);
3317         crypto_free_skcipher(tfm);
3318         return err;
3319 }
3320 
3321 static int test_comp(struct crypto_comp *tfm,
3322                      const struct comp_testvec *ctemplate,
3323                      const struct comp_testvec *dtemplate,
3324                      int ctcount, int dtcount)
3325 {
3326         const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3327         char *output, *decomp_output;
3328         unsigned int i;
3329         int ret;
3330 
3331         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3332         if (!output)
3333                 return -ENOMEM;
3334 
3335         decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3336         if (!decomp_output) {
3337                 kfree(output);
3338                 return -ENOMEM;
3339         }
3340 
3341         for (i = 0; i < ctcount; i++) {
3342                 int ilen;
3343                 unsigned int dlen = COMP_BUF_SIZE;
3344 
3345                 memset(output, 0, COMP_BUF_SIZE);
3346                 memset(decomp_output, 0, COMP_BUF_SIZE);
3347 
3348                 ilen = ctemplate[i].inlen;
3349                 ret = crypto_comp_compress(tfm, ctemplate[i].input,
3350                                            ilen, output, &dlen);
3351                 if (ret) {
3352                         printk(KERN_ERR "alg: comp: compression failed "
3353                                "on test %d for %s: ret=%d\n", i + 1, algo,
3354                                -ret);
3355                         goto out;
3356                 }
3357 
3358                 ilen = dlen;
3359                 dlen = COMP_BUF_SIZE;
3360                 ret = crypto_comp_decompress(tfm, output,
3361                                              ilen, decomp_output, &dlen);
3362                 if (ret) {
3363                         pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3364                                i + 1, algo, -ret);
3365                         goto out;
3366                 }
3367 
3368                 if (dlen != ctemplate[i].inlen) {
3369                         printk(KERN_ERR "alg: comp: Compression test %d "
3370                                "failed for %s: output len = %d\n", i + 1, algo,
3371                                dlen);
3372                         ret = -EINVAL;
3373                         goto out;
3374                 }
3375 
3376                 if (memcmp(decomp_output, ctemplate[i].input,
3377                            ctemplate[i].inlen)) {
3378                         pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3379                                i + 1, algo);
3380                         hexdump(decomp_output, dlen);
3381                         ret = -EINVAL;
3382                         goto out;
3383                 }
3384         }
3385 
3386         for (i = 0; i < dtcount; i++) {
3387                 int ilen;
3388                 unsigned int dlen = COMP_BUF_SIZE;
3389 
3390                 memset(decomp_output, 0, COMP_BUF_SIZE);
3391 
3392                 ilen = dtemplate[i].inlen;
3393                 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3394                                              ilen, decomp_output, &dlen);
3395                 if (ret) {
3396                         printk(KERN_ERR "alg: comp: decompression failed "
3397                                "on test %d for %s: ret=%d\n", i + 1, algo,
3398                                -ret);
3399                         goto out;
3400                 }
3401 
3402                 if (dlen != dtemplate[i].outlen) {
3403                         printk(KERN_ERR "alg: comp: Decompression test %d "
3404                                "failed for %s: output len = %d\n", i + 1, algo,
3405                                dlen);
3406                         ret = -EINVAL;
3407                         goto out;
3408                 }
3409 
3410                 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3411                         printk(KERN_ERR "alg: comp: Decompression test %d "
3412                                "failed for %s\n", i + 1, algo);
3413                         hexdump(decomp_output, dlen);
3414                         ret = -EINVAL;
3415                         goto out;
3416                 }
3417         }
3418 
3419         ret = 0;
3420 
3421 out:
3422         kfree(decomp_output);
3423         kfree(output);
3424         return ret;
3425 }
3426 
3427 static int test_acomp(struct crypto_acomp *tfm,
3428                       const struct comp_testvec *ctemplate,
3429                       const struct comp_testvec *dtemplate,
3430                       int ctcount, int dtcount)
3431 {
3432         const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3433         unsigned int i;
3434         char *output, *decomp_out;
3435         int ret;
3436         struct scatterlist src, dst;
3437         struct acomp_req *req;
3438         struct crypto_wait wait;
3439 
3440         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3441         if (!output)
3442                 return -ENOMEM;
3443 
3444         decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3445         if (!decomp_out) {
3446                 kfree(output);
3447                 return -ENOMEM;
3448         }
3449 
3450         for (i = 0; i < ctcount; i++) {
3451                 unsigned int dlen = COMP_BUF_SIZE;
3452                 int ilen = ctemplate[i].inlen;
3453                 void *input_vec;
3454 
3455                 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3456                 if (!input_vec) {
3457                         ret = -ENOMEM;
3458                         goto out;
3459                 }
3460 
3461                 memset(output, 0, dlen);
3462                 crypto_init_wait(&wait);
3463                 sg_init_one(&src, input_vec, ilen);
3464                 sg_init_one(&dst, output, dlen);
3465 
3466                 req = acomp_request_alloc(tfm);
3467                 if (!req) {
3468                         pr_err("alg: acomp: request alloc failed for %s\n",
3469                                algo);
3470                         kfree(input_vec);
3471                         ret = -ENOMEM;
3472                         goto out;
3473                 }
3474 
3475                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3476                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3477                                            crypto_req_done, &wait);
3478 
3479                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3480                 if (ret) {
3481                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3482                                i + 1, algo, -ret);
3483                         kfree(input_vec);
3484                         acomp_request_free(req);
3485                         goto out;
3486                 }
3487 
3488                 ilen = req->dlen;
3489                 dlen = COMP_BUF_SIZE;
3490                 sg_init_one(&src, output, ilen);
3491                 sg_init_one(&dst, decomp_out, dlen);
3492                 crypto_init_wait(&wait);
3493                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3494 
3495                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3496                 if (ret) {
3497                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3498                                i + 1, algo, -ret);
3499                         kfree(input_vec);
3500                         acomp_request_free(req);
3501                         goto out;
3502                 }
3503 
3504                 if (req->dlen != ctemplate[i].inlen) {
3505                         pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3506                                i + 1, algo, req->dlen);
3507                         ret = -EINVAL;
3508                         kfree(input_vec);
3509                         acomp_request_free(req);
3510                         goto out;
3511                 }
3512 
3513                 if (memcmp(input_vec, decomp_out, req->dlen)) {
3514                         pr_err("alg: acomp: Compression test %d failed for %s\n",
3515                                i + 1, algo);
3516                         hexdump(output, req->dlen);
3517                         ret = -EINVAL;
3518                         kfree(input_vec);
3519                         acomp_request_free(req);
3520                         goto out;
3521                 }
3522 
3523 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3524                 crypto_init_wait(&wait);
3525                 sg_init_one(&src, input_vec, ilen);
3526                 acomp_request_set_params(req, &src, NULL, ilen, 0);
3527 
3528                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3529                 if (ret) {
3530                         pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n",
3531                                i + 1, algo, -ret);
3532                         kfree(input_vec);
3533                         acomp_request_free(req);
3534                         goto out;
3535                 }
3536 #endif
3537 
3538                 kfree(input_vec);
3539                 acomp_request_free(req);
3540         }
3541 
3542         for (i = 0; i < dtcount; i++) {
3543                 unsigned int dlen = COMP_BUF_SIZE;
3544                 int ilen = dtemplate[i].inlen;
3545                 void *input_vec;
3546 
3547                 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3548                 if (!input_vec) {
3549                         ret = -ENOMEM;
3550                         goto out;
3551                 }
3552 
3553                 memset(output, 0, dlen);
3554                 crypto_init_wait(&wait);
3555                 sg_init_one(&src, input_vec, ilen);
3556                 sg_init_one(&dst, output, dlen);
3557 
3558                 req = acomp_request_alloc(tfm);
3559                 if (!req) {
3560                         pr_err("alg: acomp: request alloc failed for %s\n",
3561                                algo);
3562                         kfree(input_vec);
3563                         ret = -ENOMEM;
3564                         goto out;
3565                 }
3566 
3567                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3568                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3569                                            crypto_req_done, &wait);
3570 
3571                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3572                 if (ret) {
3573                         pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3574                                i + 1, algo, -ret);
3575                         kfree(input_vec);
3576                         acomp_request_free(req);
3577                         goto out;
3578                 }
3579 
3580                 if (req->dlen != dtemplate[i].outlen) {
3581                         pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3582                                i + 1, algo, req->dlen);
3583                         ret = -EINVAL;
3584                         kfree(input_vec);
3585                         acomp_request_free(req);
3586                         goto out;
3587                 }
3588 
3589                 if (memcmp(output, dtemplate[i].output, req->dlen)) {
3590                         pr_err("alg: acomp: Decompression test %d failed for %s\n",
3591                                i + 1, algo);
3592                         hexdump(output, req->dlen);
3593                         ret = -EINVAL;
3594                         kfree(input_vec);
3595                         acomp_request_free(req);
3596                         goto out;
3597                 }
3598 
3599 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3600                 crypto_init_wait(&wait);
3601                 acomp_request_set_params(req, &src, NULL, ilen, 0);
3602 
3603                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3604                 if (ret) {
3605                         pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n",
3606                                i + 1, algo, -ret);
3607                         kfree(input_vec);
3608                         acomp_request_free(req);
3609                         goto out;
3610                 }
3611 #endif
3612 
3613                 kfree(input_vec);
3614                 acomp_request_free(req);
3615         }
3616 
3617         ret = 0;
3618 
3619 out:
3620         kfree(decomp_out);
3621         kfree(output);
3622         return ret;
3623 }
3624 
3625 static int test_cprng(struct crypto_rng *tfm,
3626                       const struct cprng_testvec *template,
3627                       unsigned int tcount)
3628 {
3629         const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3630         int err = 0, i, j, seedsize;
3631         u8 *seed;
3632         char result[32];
3633 
3634         seedsize = crypto_rng_seedsize(tfm);
3635 
3636         seed = kmalloc(seedsize, GFP_KERNEL);
3637         if (!seed) {
3638                 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3639                        "for %s\n", algo);
3640                 return -ENOMEM;
3641         }
3642 
3643         for (i = 0; i < tcount; i++) {
3644                 memset(result, 0, 32);
3645 
3646                 memcpy(seed, template[i].v, template[i].vlen);
3647                 memcpy(seed + template[i].vlen, template[i].key,
3648                        template[i].klen);
3649                 memcpy(seed + template[i].vlen + template[i].klen,
3650                        template[i].dt, template[i].dtlen);
3651 
3652                 err = crypto_rng_reset(tfm, seed, seedsize);
3653                 if (err) {
3654                         printk(KERN_ERR "alg: cprng: Failed to reset rng "
3655                                "for %s\n", algo);
3656                         goto out;
3657                 }
3658 
3659                 for (j = 0; j < template[i].loops; j++) {
3660                         err = crypto_rng_get_bytes(tfm, result,
3661                                                    template[i].rlen);
3662                         if (err < 0) {
3663                                 printk(KERN_ERR "alg: cprng: Failed to obtain "
3664                                        "the correct amount of random data for "
3665                                        "%s (requested %d)\n", algo,
3666                                        template[i].rlen);
3667                                 goto out;
3668                         }
3669                 }
3670 
3671                 err = memcmp(result, template[i].result,
3672                              template[i].rlen);
3673                 if (err) {
3674                         printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3675                                i, algo);
3676                         hexdump(result, template[i].rlen);
3677                         err = -EINVAL;
3678                         goto out;
3679                 }
3680         }
3681 
3682 out:
3683         kfree(seed);
3684         return err;
3685 }
3686 
3687 static int alg_test_cipher(const struct alg_test_desc *desc,
3688                            const char *driver, u32 type, u32 mask)
3689 {
3690         const struct cipher_test_suite *suite = &desc->suite.cipher;
3691         struct crypto_cipher *tfm;
3692         int err;
3693 
3694         tfm = crypto_alloc_cipher(driver, type, mask);
3695         if (IS_ERR(tfm)) {
3696                 printk(KERN_ERR "alg: cipher: Failed to load transform for "
3697                        "%s: %ld\n", driver, PTR_ERR(tfm));
3698                 return PTR_ERR(tfm);
3699         }
3700 
3701         err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3702         if (!err)
3703                 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3704 
3705         crypto_free_cipher(tfm);
3706         return err;
3707 }
3708 
3709 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3710                          u32 type, u32 mask)
3711 {
3712         struct crypto_comp *comp;
3713         struct crypto_acomp *acomp;
3714         int err;
3715         u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3716 
3717         if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3718                 acomp = crypto_alloc_acomp(driver, type, mask);
3719                 if (IS_ERR(acomp)) {
3720                         pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3721                                driver, PTR_ERR(acomp));
3722                         return PTR_ERR(acomp);
3723                 }
3724                 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3725                                  desc->suite.comp.decomp.vecs,
3726                                  desc->suite.comp.comp.count,
3727                                  desc->suite.comp.decomp.count);
3728                 crypto_free_acomp(acomp);
3729         } else {
3730                 comp = crypto_alloc_comp(driver, type, mask);
3731                 if (IS_ERR(comp)) {
3732                         pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3733                                driver, PTR_ERR(comp));
3734                         return PTR_ERR(comp);
3735                 }
3736 
3737                 err = test_comp(comp, desc->suite.comp.comp.vecs,
3738                                 desc->suite.comp.decomp.vecs,
3739                                 desc->suite.comp.comp.count,
3740                                 desc->suite.comp.decomp.count);
3741 
3742                 crypto_free_comp(comp);
3743         }
3744         return err;
3745 }
3746 
3747 static int alg_test_crc32c(const struct alg_test_desc *desc,
3748                            const char *driver, u32 type, u32 mask)
3749 {
3750         struct crypto_shash *tfm;
3751         __le32 val;
3752         int err;
3753 
3754         err = alg_test_hash(desc, driver, type, mask);
3755         if (err)
3756                 return err;
3757 
3758         tfm = crypto_alloc_shash(driver, type, mask);
3759         if (IS_ERR(tfm)) {
3760                 if (PTR_ERR(tfm) == -ENOENT) {
3761                         /*
3762                          * This crc32c implementation is only available through
3763                          * ahash API, not the shash API, so the remaining part
3764                          * of the test is not applicable to it.
3765                          */
3766                         return 0;
3767                 }
3768                 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3769                        "%ld\n", driver, PTR_ERR(tfm));
3770                 return PTR_ERR(tfm);
3771         }
3772         driver = crypto_shash_driver_name(tfm);
3773 
3774         do {
3775                 SHASH_DESC_ON_STACK(shash, tfm);
3776                 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3777 
3778                 shash->tfm = tfm;
3779 
3780                 *ctx = 420553207;
3781                 err = crypto_shash_final(shash, (u8 *)&val);
3782                 if (err) {
3783                         printk(KERN_ERR "alg: crc32c: Operation failed for "
3784                                "%s: %d\n", driver, err);
3785                         break;
3786                 }
3787 
3788                 if (val != cpu_to_le32(~420553207)) {
3789                         pr_err("alg: crc32c: Test failed for %s: %u\n",
3790                                driver, le32_to_cpu(val));
3791                         err = -EINVAL;
3792                 }
3793         } while (0);
3794 
3795         crypto_free_shash(tfm);
3796 
3797         return err;
3798 }
3799 
3800 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3801                           u32 type, u32 mask)
3802 {
3803         struct crypto_rng *rng;
3804         int err;
3805 
3806         rng = crypto_alloc_rng(driver, type, mask);
3807         if (IS_ERR(rng)) {
3808                 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3809                        "%ld\n", driver, PTR_ERR(rng));
3810                 return PTR_ERR(rng);
3811         }
3812 
3813         err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3814 
3815         crypto_free_rng(rng);
3816 
3817         return err;
3818 }
3819 
3820 
3821 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3822                           const char *driver, u32 type, u32 mask)
3823 {
3824         int ret = -EAGAIN;
3825         struct crypto_rng *drng;
3826         struct drbg_test_data test_data;
3827         struct drbg_string addtl, pers, testentropy;
3828         unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3829 
3830         if (!buf)
3831                 return -ENOMEM;
3832 
3833         drng = crypto_alloc_rng(driver, type, mask);
3834         if (IS_ERR(drng)) {
3835                 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3836                        "%s\n", driver);
3837                 kfree_sensitive(buf);
3838                 return -ENOMEM;
3839         }
3840 
3841         test_data.testentropy = &testentropy;
3842         drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3843         drbg_string_fill(&pers, test->pers, test->perslen);
3844         ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3845         if (ret) {
3846                 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3847                 goto outbuf;
3848         }
3849 
3850         drbg_string_fill(&addtl, test->addtla, test->addtllen);
3851         if (pr) {
3852                 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3853                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3854                         buf, test->expectedlen, &addtl, &test_data);
3855         } else {
3856                 ret = crypto_drbg_get_bytes_addtl(drng,
3857                         buf, test->expectedlen, &addtl);
3858         }
3859         if (ret < 0) {
3860                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3861                        "driver %s\n", driver);
3862                 goto outbuf;
3863         }
3864 
3865         drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3866         if (pr) {
3867                 drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3868                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3869                         buf, test->expectedlen, &addtl, &test_data);
3870         } else {
3871                 ret = crypto_drbg_get_bytes_addtl(drng,
3872                         buf, test->expectedlen, &addtl);
3873         }
3874         if (ret < 0) {
3875                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3876                        "driver %s\n", driver);
3877                 goto outbuf;
3878         }
3879 
3880         ret = memcmp(test->expected, buf, test->expectedlen);
3881 
3882 outbuf:
3883         crypto_free_rng(drng);
3884         kfree_sensitive(buf);
3885         return ret;
3886 }
3887 
3888 
3889 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3890                          u32 type, u32 mask)
3891 {
3892         int err = 0;
3893         int pr = 0;
3894         int i = 0;
3895         const struct drbg_testvec *template = desc->suite.drbg.vecs;
3896         unsigned int tcount = desc->suite.drbg.count;
3897 
3898         if (0 == memcmp(driver, "drbg_pr_", 8))
3899                 pr = 1;
3900 
3901         for (i = 0; i < tcount; i++) {
3902                 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3903                 if (err) {
3904                         printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3905                                i, driver);
3906                         err = -EINVAL;
3907                         break;
3908                 }
3909         }
3910         return err;
3911 
3912 }
3913 
3914 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3915                        const char *alg)
3916 {
3917         struct kpp_request *req;
3918         void *input_buf = NULL;
3919         void *output_buf = NULL;
3920         void *a_public = NULL;
3921         void *a_ss = NULL;
3922         void *shared_secret = NULL;
3923         struct crypto_wait wait;
3924         unsigned int out_len_max;
3925         int err = -ENOMEM;
3926         struct scatterlist src, dst;
3927 
3928         req = kpp_request_alloc(tfm, GFP_KERNEL);
3929         if (!req)
3930                 return err;
3931 
3932         crypto_init_wait(&wait);
3933 
3934         err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3935         if (err < 0)
3936                 goto free_req;
3937 
3938         out_len_max = crypto_kpp_maxsize(tfm);
3939         output_buf = kzalloc(out_len_max, GFP_KERNEL);
3940         if (!output_buf) {
3941                 err = -ENOMEM;
3942                 goto free_req;
3943         }
3944 
3945         /* Use appropriate parameter as base */
3946         kpp_request_set_input(req, NULL, 0);
3947         sg_init_one(&dst, output_buf, out_len_max);
3948         kpp_request_set_output(req, &dst, out_len_max);
3949         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3950                                  crypto_req_done, &wait);
3951 
3952         /* Compute party A's public key */
3953         err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3954         if (err) {
3955                 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3956                        alg, err);
3957                 goto free_output;
3958         }
3959 
3960         if (vec->genkey) {
3961                 /* Save party A's public key */
3962                 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3963                 if (!a_public) {
3964                         err = -ENOMEM;
3965                         goto free_output;
3966                 }
3967         } else {
3968                 /* Verify calculated public key */
3969                 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3970                            vec->expected_a_public_size)) {
3971                         pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3972                                alg);
3973                         err = -EINVAL;
3974                         goto free_output;
3975                 }
3976         }
3977 
3978         /* Calculate shared secret key by using counter part (b) public key. */
3979         input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3980         if (!input_buf) {
3981                 err = -ENOMEM;
3982                 goto free_output;
3983         }
3984 
3985         sg_init_one(&src, input_buf, vec->b_public_size);
3986         sg_init_one(&dst, output_buf, out_len_max);
3987         kpp_request_set_input(req, &src, vec->b_public_size);
3988         kpp_request_set_output(req, &dst, out_len_max);
3989         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3990                                  crypto_req_done, &wait);
3991         err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3992         if (err) {
3993                 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3994                        alg, err);
3995                 goto free_all;
3996         }
3997 
3998         if (vec->genkey) {
3999                 /* Save the shared secret obtained by party A */
4000                 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
4001                 if (!a_ss) {
4002                         err = -ENOMEM;
4003                         goto free_all;
4004                 }
4005 
4006                 /*
4007                  * Calculate party B's shared secret by using party A's
4008                  * public key.
4009                  */
4010                 err = crypto_kpp_set_secret(tfm, vec->b_secret,
4011                                             vec->b_secret_size);
4012                 if (err < 0)
4013                         goto free_all;
4014 
4015                 sg_init_one(&src, a_public, vec->expected_a_public_size);
4016                 sg_init_one(&dst, output_buf, out_len_max);
4017                 kpp_request_set_input(req, &src, vec->expected_a_public_size);
4018                 kpp_request_set_output(req, &dst, out_len_max);
4019                 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4020                                          crypto_req_done, &wait);
4021                 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
4022                                       &wait);
4023                 if (err) {
4024                         pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
4025                                alg, err);
4026                         goto free_all;
4027                 }
4028 
4029                 shared_secret = a_ss;
4030         } else {
4031                 shared_secret = (void *)vec->expected_ss;
4032         }
4033 
4034         /*
4035          * verify shared secret from which the user will derive
4036          * secret key by executing whatever hash it has chosen
4037          */
4038         if (memcmp(shared_secret, sg_virt(req->dst),
4039                    vec->expected_ss_size)) {
4040                 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
4041                        alg);
4042                 err = -EINVAL;
4043         }
4044 
4045 free_all:
4046         kfree(a_ss);
4047         kfree(input_buf);
4048 free_output:
4049         kfree(a_public);
4050         kfree(output_buf);
4051 free_req:
4052         kpp_request_free(req);
4053         return err;
4054 }
4055 
4056 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
4057                     const struct kpp_testvec *vecs, unsigned int tcount)
4058 {
4059         int ret, i;
4060 
4061         for (i = 0; i < tcount; i++) {
4062                 ret = do_test_kpp(tfm, vecs++, alg);
4063                 if (ret) {
4064                         pr_err("alg: %s: test failed on vector %d, err=%d\n",
4065                                alg, i + 1, ret);
4066                         return ret;
4067                 }
4068         }
4069         return 0;
4070 }
4071 
4072 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
4073                         u32 type, u32 mask)
4074 {
4075         struct crypto_kpp *tfm;
4076         int err = 0;
4077 
4078         tfm = crypto_alloc_kpp(driver, type, mask);
4079         if (IS_ERR(tfm)) {
4080                 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
4081                        driver, PTR_ERR(tfm));
4082                 return PTR_ERR(tfm);
4083         }
4084         if (desc->suite.kpp.vecs)
4085                 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
4086                                desc->suite.kpp.count);
4087 
4088         crypto_free_kpp(tfm);
4089         return err;
4090 }
4091 
4092 static u8 *test_pack_u32(u8 *dst, u32 val)
4093 {
4094         memcpy(dst, &val, sizeof(val));
4095         return dst + sizeof(val);
4096 }
4097 
4098 static int test_akcipher_one(struct crypto_akcipher *tfm,
4099                              const struct akcipher_testvec *vecs)
4100 {
4101         char *xbuf[XBUFSIZE];
4102         struct akcipher_request *req;
4103         void *outbuf_enc = NULL;
4104         void *outbuf_dec = NULL;
4105         struct crypto_wait wait;
4106         unsigned int out_len_max, out_len = 0;
4107         int err = -ENOMEM;
4108         struct scatterlist src, dst, src_tab[3];
4109         const char *m, *c;
4110         unsigned int m_size, c_size;
4111         const char *op;
4112         u8 *key, *ptr;
4113 
4114         if (testmgr_alloc_buf(xbuf))
4115                 return err;
4116 
4117         req = akcipher_request_alloc(tfm, GFP_KERNEL);
4118         if (!req)
4119                 goto free_xbuf;
4120 
4121         crypto_init_wait(&wait);
4122 
4123         key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
4124                       GFP_KERNEL);
4125         if (!key)
4126                 goto free_req;
4127         memcpy(key, vecs->key, vecs->key_len);
4128         ptr = key + vecs->key_len;
4129         ptr = test_pack_u32(ptr, vecs->algo);
4130         ptr = test_pack_u32(ptr, vecs->param_len);
4131         memcpy(ptr, vecs->params, vecs->param_len);
4132 
4133         if (vecs->public_key_vec)
4134                 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
4135         else
4136                 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
4137         if (err)
4138                 goto free_key;
4139 
4140         /*
4141          * First run test which do not require a private key, such as
4142          * encrypt or verify.
4143          */
4144         err = -ENOMEM;
4145         out_len_max = crypto_akcipher_maxsize(tfm);
4146         outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
4147         if (!outbuf_enc)
4148                 goto free_key;
4149 
4150         if (!vecs->siggen_sigver_test) {
4151                 m = vecs->m;
4152                 m_size = vecs->m_size;
4153                 c = vecs->c;
4154                 c_size = vecs->c_size;
4155                 op = "encrypt";
4156         } else {
4157                 /* Swap args so we could keep plaintext (digest)
4158                  * in vecs->m, and cooked signature in vecs->c.
4159                  */
4160                 m = vecs->c; /* signature */
4161                 m_size = vecs->c_size;
4162                 c = vecs->m; /* digest */
4163                 c_size = vecs->m_size;
4164                 op = "verify";
4165         }
4166 
4167         err = -E2BIG;
4168         if (WARN_ON(m_size > PAGE_SIZE))
4169                 goto free_all;
4170         memcpy(xbuf[0], m, m_size);
4171 
4172         sg_init_table(src_tab, 3);
4173         sg_set_buf(&src_tab[0], xbuf[0], 8);
4174         sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4175         if (vecs->siggen_sigver_test) {
4176                 if (WARN_ON(c_size > PAGE_SIZE))
4177                         goto free_all;
4178                 memcpy(xbuf[1], c, c_size);
4179                 sg_set_buf(&src_tab[2], xbuf[1], c_size);
4180                 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4181         } else {
4182                 sg_init_one(&dst, outbuf_enc, out_len_max);
4183                 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4184                                            out_len_max);
4185         }
4186         akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4187                                       crypto_req_done, &wait);
4188 
4189         err = crypto_wait_req(vecs->siggen_sigver_test ?
4190                               /* Run asymmetric signature verification */
4191                               crypto_akcipher_verify(req) :
4192                               /* Run asymmetric encrypt */
4193                               crypto_akcipher_encrypt(req), &wait);
4194         if (err) {
4195                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4196                 goto free_all;
4197         }
4198         if (!vecs->siggen_sigver_test && c) {
4199                 if (req->dst_len != c_size) {
4200                         pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4201                                op);
4202                         err = -EINVAL;
4203                         goto free_all;
4204                 }
4205                 /* verify that encrypted message is equal to expected */
4206                 if (memcmp(c, outbuf_enc, c_size) != 0) {
4207                         pr_err("alg: akcipher: %s test failed. Invalid output\n",
4208                                op);
4209                         hexdump(outbuf_enc, c_size);
4210                         err = -EINVAL;
4211                         goto free_all;
4212                 }
4213         }
4214 
4215         /*
4216          * Don't invoke (decrypt or sign) test which require a private key
4217          * for vectors with only a public key.
4218          */
4219         if (vecs->public_key_vec) {
4220                 err = 0;
4221                 goto free_all;
4222         }
4223         outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4224         if (!outbuf_dec) {
4225                 err = -ENOMEM;
4226                 goto free_all;
4227         }
4228 
4229         if (!vecs->siggen_sigver_test && !c) {
4230                 c = outbuf_enc;
4231                 c_size = req->dst_len;
4232         }
4233 
4234         err = -E2BIG;
4235         op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4236         if (WARN_ON(c_size > PAGE_SIZE))
4237                 goto free_all;
4238         memcpy(xbuf[0], c, c_size);
4239 
4240         sg_init_one(&src, xbuf[0], c_size);
4241         sg_init_one(&dst, outbuf_dec, out_len_max);
4242         crypto_init_wait(&wait);
4243         akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4244 
4245         err = crypto_wait_req(vecs->siggen_sigver_test ?
4246                               /* Run asymmetric signature generation */
4247                               crypto_akcipher_sign(req) :
4248                               /* Run asymmetric decrypt */
4249                               crypto_akcipher_decrypt(req), &wait);
4250         if (err) {
4251                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4252                 goto free_all;
4253         }
4254         out_len = req->dst_len;
4255         if (out_len < m_size) {
4256                 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4257                        op, out_len);
4258                 err = -EINVAL;
4259                 goto free_all;
4260         }
4261         /* verify that decrypted message is equal to the original msg */
4262         if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4263             memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4264                 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4265                 hexdump(outbuf_dec, out_len);
4266                 err = -EINVAL;
4267         }
4268 free_all:
4269         kfree(outbuf_dec);
4270         kfree(outbuf_enc);
4271 free_key:
4272         kfree(key);
4273 free_req:
4274         akcipher_request_free(req);
4275 free_xbuf:
4276         testmgr_free_buf(xbuf);
4277         return err;
4278 }
4279 
4280 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4281                          const struct akcipher_testvec *vecs,
4282                          unsigned int tcount)
4283 {
4284         const char *algo =
4285                 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4286         int ret, i;
4287 
4288         for (i = 0; i < tcount; i++) {
4289                 ret = test_akcipher_one(tfm, vecs++);
4290                 if (!ret)
4291                         continue;
4292 
4293                 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4294                        i + 1, algo, ret);
4295                 return ret;
4296         }
4297         return 0;
4298 }
4299 
4300 static int alg_test_akcipher(const struct alg_test_desc *desc,
4301                              const char *driver, u32 type, u32 mask)
4302 {
4303         struct crypto_akcipher *tfm;
4304         int err = 0;
4305 
4306         tfm = crypto_alloc_akcipher(driver, type, mask);
4307         if (IS_ERR(tfm)) {
4308                 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4309                        driver, PTR_ERR(tfm));
4310                 return PTR_ERR(tfm);
4311         }
4312         if (desc->suite.akcipher.vecs)
4313                 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4314                                     desc->suite.akcipher.count);
4315 
4316         crypto_free_akcipher(tfm);
4317         return err;
4318 }
4319 
4320 static int alg_test_null(const struct alg_test_desc *desc,
4321                              const char *driver, u32 type, u32 mask)
4322 {
4323         return 0;
4324 }
4325 
4326 #define ____VECS(tv)    .vecs = tv, .count = ARRAY_SIZE(tv)
4327 #define __VECS(tv)      { ____VECS(tv) }
4328 
4329 /* Please keep this list sorted by algorithm name. */
4330 static const struct alg_test_desc alg_test_descs[] = {
4331         {
4332                 .alg = "adiantum(xchacha12,aes)",
4333                 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4334                 .test = alg_test_skcipher,
4335                 .suite = {
4336                         .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4337                 },
4338         }, {
4339                 .alg = "adiantum(xchacha20,aes)",
4340                 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4341                 .test = alg_test_skcipher,
4342                 .suite = {
4343                         .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4344                 },
4345         }, {
4346                 .alg = "aegis128",
4347                 .test = alg_test_aead,
4348                 .suite = {
4349                         .aead = __VECS(aegis128_tv_template)
4350                 }
4351         }, {
4352                 .alg = "ansi_cprng",
4353                 .test = alg_test_cprng,
4354                 .suite = {
4355                         .cprng = __VECS(ansi_cprng_aes_tv_template)
4356                 }
4357         }, {
4358                 .alg = "authenc(hmac(md5),ecb(cipher_null))",
4359                 .test = alg_test_aead,
4360                 .suite = {
4361                         .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4362                 }
4363         }, {
4364                 .alg = "authenc(hmac(sha1),cbc(aes))",
4365                 .test = alg_test_aead,
4366                 .fips_allowed = 1,
4367                 .suite = {
4368                         .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4369                 }
4370         }, {
4371                 .alg = "authenc(hmac(sha1),cbc(des))",
4372                 .test = alg_test_aead,
4373                 .suite = {
4374                         .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4375                 }
4376         }, {
4377                 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
4378                 .test = alg_test_aead,
4379                 .suite = {
4380                         .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4381                 }
4382         }, {
4383                 .alg = "authenc(hmac(sha1),ctr(aes))",
4384                 .test = alg_test_null,
4385                 .fips_allowed = 1,
4386         }, {
4387                 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
4388                 .test = alg_test_aead,
4389                 .suite = {
4390                         .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4391                 }
4392         }, {
4393                 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4394                 .test = alg_test_null,
4395                 .fips_allowed = 1,
4396         }, {
4397                 .alg = "authenc(hmac(sha224),cbc(des))",
4398                 .test = alg_test_aead,
4399                 .suite = {
4400                         .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4401                 }
4402         }, {
4403                 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
4404                 .test = alg_test_aead,
4405                 .suite = {
4406                         .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4407                 }
4408         }, {
4409                 .alg = "authenc(hmac(sha256),cbc(aes))",
4410                 .test = alg_test_aead,
4411                 .fips_allowed = 1,
4412                 .suite = {
4413                         .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4414                 }
4415         }, {
4416                 .alg = "authenc(hmac(sha256),cbc(des))",
4417                 .test = alg_test_aead,
4418                 .suite = {
4419                         .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4420                 }
4421         }, {
4422                 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
4423                 .test = alg_test_aead,
4424                 .suite = {
4425                         .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4426                 }
4427         }, {
4428                 .alg = "authenc(hmac(sha256),ctr(aes))",
4429                 .test = alg_test_null,
4430                 .fips_allowed = 1,
4431         }, {
4432                 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4433                 .test = alg_test_null,
4434                 .fips_allowed = 1,
4435         }, {
4436                 .alg = "authenc(hmac(sha384),cbc(des))",
4437                 .test = alg_test_aead,
4438                 .suite = {
4439                         .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4440                 }
4441         }, {
4442                 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
4443                 .test = alg_test_aead,
4444                 .suite = {
4445                         .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4446                 }
4447         }, {
4448                 .alg = "authenc(hmac(sha384),ctr(aes))",
4449                 .test = alg_test_null,
4450                 .fips_allowed = 1,
4451         }, {
4452                 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4453                 .test = alg_test_null,
4454                 .fips_allowed = 1,
4455         }, {
4456                 .alg = "authenc(hmac(sha512),cbc(aes))",
4457                 .fips_allowed = 1,
4458                 .test = alg_test_aead,
4459                 .suite = {
4460                         .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4461                 }
4462         }, {
4463                 .alg = "authenc(hmac(sha512),cbc(des))",
4464                 .test = alg_test_aead,
4465                 .suite = {
4466                         .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4467                 }
4468         }, {
4469                 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
4470                 .test = alg_test_aead,
4471                 .suite = {
4472                         .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4473                 }
4474         }, {
4475                 .alg = "authenc(hmac(sha512),ctr(aes))",
4476                 .test = alg_test_null,
4477                 .fips_allowed = 1,
4478         }, {
4479                 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4480                 .test = alg_test_null,
4481                 .fips_allowed = 1,
4482         }, {
4483                 .alg = "blake2b-160",
4484                 .test = alg_test_hash,
4485                 .fips_allowed = 0,
4486                 .suite = {
4487                         .hash = __VECS(blake2b_160_tv_template)
4488                 }
4489         }, {
4490                 .alg = "blake2b-256",
4491                 .test = alg_test_hash,
4492                 .fips_allowed = 0,
4493                 .suite = {
4494                         .hash = __VECS(blake2b_256_tv_template)
4495                 }
4496         }, {
4497                 .alg = "blake2b-384",
4498                 .test = alg_test_hash,
4499                 .fips_allowed = 0,
4500                 .suite = {
4501                         .hash = __VECS(blake2b_384_tv_template)
4502                 }
4503         }, {
4504                 .alg = "blake2b-512",
4505                 .test = alg_test_hash,
4506                 .fips_allowed = 0,
4507                 .suite = {
4508                         .hash = __VECS(blake2b_512_tv_template)
4509                 }
4510         }, {
4511                 .alg = "cbc(aes)",
4512                 .test = alg_test_skcipher,
4513                 .fips_allowed = 1,
4514                 .suite = {
4515                         .cipher = __VECS(aes_cbc_tv_template)
4516                 },
4517         }, {
4518                 .alg = "cbc(anubis)",
4519                 .test = alg_test_skcipher,
4520                 .suite = {
4521                         .cipher = __VECS(anubis_cbc_tv_template)
4522                 },
4523         }, {
4524                 .alg = "cbc(aria)",
4525                 .test = alg_test_skcipher,
4526                 .suite = {
4527                         .cipher = __VECS(aria_cbc_tv_template)
4528                 },
4529         }, {
4530                 .alg = "cbc(blowfish)",
4531                 .test = alg_test_skcipher,
4532                 .suite = {
4533                         .cipher = __VECS(bf_cbc_tv_template)
4534                 },
4535         }, {
4536                 .alg = "cbc(camellia)",
4537                 .test = alg_test_skcipher,
4538                 .suite = {
4539                         .cipher = __VECS(camellia_cbc_tv_template)
4540                 },
4541         }, {
4542                 .alg = "cbc(cast5)",
4543                 .test = alg_test_skcipher,
4544                 .suite = {
4545                         .cipher = __VECS(cast5_cbc_tv_template)
4546                 },
4547         }, {
4548                 .alg = "cbc(cast6)",
4549                 .test = alg_test_skcipher,
4550                 .suite = {
4551                         .cipher = __VECS(cast6_cbc_tv_template)
4552                 },
4553         }, {
4554                 .alg = "cbc(des)",
4555                 .test = alg_test_skcipher,
4556                 .suite = {
4557                         .cipher = __VECS(des_cbc_tv_template)
4558                 },
4559         }, {
4560                 .alg = "cbc(des3_ede)",
4561                 .test = alg_test_skcipher,
4562                 .suite = {
4563                         .cipher = __VECS(des3_ede_cbc_tv_template)
4564                 },
4565         }, {
4566                 /* Same as cbc(aes) except the key is stored in
4567                  * hardware secure memory which we reference by index
4568                  */
4569                 .alg = "cbc(paes)",
4570                 .test = alg_test_null,
4571                 .fips_allowed = 1,
4572         }, {
4573                 /* Same as cbc(sm4) except the key is stored in
4574                  * hardware secure memory which we reference by index
4575                  */
4576                 .alg = "cbc(psm4)",
4577                 .test = alg_test_null,
4578         }, {
4579                 .alg = "cbc(serpent)",
4580                 .test = alg_test_skcipher,
4581                 .suite = {
4582                         .cipher = __VECS(serpent_cbc_tv_template)
4583                 },
4584         }, {
4585                 .alg = "cbc(sm4)",
4586                 .test = alg_test_skcipher,
4587                 .suite = {
4588                         .cipher = __VECS(sm4_cbc_tv_template)
4589                 }
4590         }, {
4591                 .alg = "cbc(twofish)",
4592                 .test = alg_test_skcipher,
4593                 .suite = {
4594                         .cipher = __VECS(tf_cbc_tv_template)
4595                 },
4596         }, {
4597 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4598                 .alg = "cbc-paes-s390",
4599                 .fips_allowed = 1,
4600                 .test = alg_test_skcipher,
4601                 .suite = {
4602                         .cipher = __VECS(aes_cbc_tv_template)
4603                 }
4604         }, {
4605 #endif
4606                 .alg = "cbcmac(aes)",
4607                 .test = alg_test_hash,
4608                 .suite = {
4609                         .hash = __VECS(aes_cbcmac_tv_template)
4610                 }
4611         }, {
4612                 .alg = "cbcmac(sm4)",
4613                 .test = alg_test_hash,
4614                 .suite = {
4615                         .hash = __VECS(sm4_cbcmac_tv_template)
4616                 }
4617         }, {
4618                 .alg = "ccm(aes)",
4619                 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4620                 .test = alg_test_aead,
4621                 .fips_allowed = 1,
4622                 .suite = {
4623                         .aead = {
4624                                 ____VECS(aes_ccm_tv_template),
4625                                 .einval_allowed = 1,
4626                         }
4627                 }
4628         }, {
4629                 .alg = "ccm(sm4)",
4630                 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4631                 .test = alg_test_aead,
4632                 .suite = {
4633                         .aead = {
4634                                 ____VECS(sm4_ccm_tv_template),
4635                                 .einval_allowed = 1,
4636                         }
4637                 }
4638         }, {
4639                 .alg = "chacha20",
4640                 .test = alg_test_skcipher,
4641                 .suite = {
4642                         .cipher = __VECS(chacha20_tv_template)
4643                 },
4644         }, {
4645                 .alg = "cmac(aes)",
4646                 .fips_allowed = 1,
4647                 .test = alg_test_hash,
4648                 .suite = {
4649                         .hash = __VECS(aes_cmac128_tv_template)
4650                 }
4651         }, {
4652                 .alg = "cmac(camellia)",
4653                 .test = alg_test_hash,
4654                 .suite = {
4655                         .hash = __VECS(camellia_cmac128_tv_template)
4656                 }
4657         }, {
4658                 .alg = "cmac(des3_ede)",
4659                 .test = alg_test_hash,
4660                 .suite = {
4661                         .hash = __VECS(des3_ede_cmac64_tv_template)
4662                 }
4663         }, {
4664                 .alg = "cmac(sm4)",
4665                 .test = alg_test_hash,
4666                 .suite = {
4667                         .hash = __VECS(sm4_cmac128_tv_template)
4668                 }
4669         }, {
4670                 .alg = "compress_null",
4671                 .test = alg_test_null,
4672         }, {
4673                 .alg = "crc32",
4674                 .test = alg_test_hash,
4675                 .fips_allowed = 1,
4676                 .suite = {
4677                         .hash = __VECS(crc32_tv_template)
4678                 }
4679         }, {
4680                 .alg = "crc32c",
4681                 .test = alg_test_crc32c,
4682                 .fips_allowed = 1,
4683                 .suite = {
4684                         .hash = __VECS(crc32c_tv_template)
4685                 }
4686         }, {
4687                 .alg = "crc64-rocksoft",
4688                 .test = alg_test_hash,
4689                 .fips_allowed = 1,
4690                 .suite = {
4691                         .hash = __VECS(crc64_rocksoft_tv_template)
4692                 }
4693         }, {
4694                 .alg = "crct10dif",
4695                 .test = alg_test_hash,
4696                 .fips_allowed = 1,
4697                 .suite = {
4698                         .hash = __VECS(crct10dif_tv_template)
4699                 }
4700         }, {
4701                 .alg = "ctr(aes)",
4702                 .test = alg_test_skcipher,
4703                 .fips_allowed = 1,
4704                 .suite = {
4705                         .cipher = __VECS(aes_ctr_tv_template)
4706                 }
4707         }, {
4708                 .alg = "ctr(aria)",
4709                 .test = alg_test_skcipher,
4710                 .suite = {
4711                         .cipher = __VECS(aria_ctr_tv_template)
4712                 }
4713         }, {
4714                 .alg = "ctr(blowfish)",
4715                 .test = alg_test_skcipher,
4716                 .suite = {
4717                         .cipher = __VECS(bf_ctr_tv_template)
4718                 }
4719         }, {
4720                 .alg = "ctr(camellia)",
4721                 .test = alg_test_skcipher,
4722                 .suite = {
4723                         .cipher = __VECS(camellia_ctr_tv_template)
4724                 }
4725         }, {
4726                 .alg = "ctr(cast5)",
4727                 .test = alg_test_skcipher,
4728                 .suite = {
4729                         .cipher = __VECS(cast5_ctr_tv_template)
4730                 }
4731         }, {
4732                 .alg = "ctr(cast6)",
4733                 .test = alg_test_skcipher,
4734                 .suite = {
4735                         .cipher = __VECS(cast6_ctr_tv_template)
4736                 }
4737         }, {
4738                 .alg = "ctr(des)",
4739                 .test = alg_test_skcipher,
4740                 .suite = {
4741                         .cipher = __VECS(des_ctr_tv_template)
4742                 }
4743         }, {
4744                 .alg = "ctr(des3_ede)",
4745                 .test = alg_test_skcipher,
4746                 .suite = {
4747                         .cipher = __VECS(des3_ede_ctr_tv_template)
4748                 }
4749         }, {
4750                 /* Same as ctr(aes) except the key is stored in
4751                  * hardware secure memory which we reference by index
4752                  */
4753                 .alg = "ctr(paes)",
4754                 .test = alg_test_null,
4755                 .fips_allowed = 1,
4756         }, {
4757 
4758                 /* Same as ctr(sm4) except the key is stored in
4759                  * hardware secure memory which we reference by index
4760                  */
4761                 .alg = "ctr(psm4)",
4762                 .test = alg_test_null,
4763         }, {
4764                 .alg = "ctr(serpent)",
4765                 .test = alg_test_skcipher,
4766                 .suite = {
4767                         .cipher = __VECS(serpent_ctr_tv_template)
4768                 }
4769         }, {
4770                 .alg = "ctr(sm4)",
4771                 .test = alg_test_skcipher,
4772                 .suite = {
4773                         .cipher = __VECS(sm4_ctr_tv_template)
4774                 }
4775         }, {
4776                 .alg = "ctr(twofish)",
4777                 .test = alg_test_skcipher,
4778                 .suite = {
4779                         .cipher = __VECS(tf_ctr_tv_template)
4780                 }
4781         }, {
4782 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4783                 .alg = "ctr-paes-s390",
4784                 .fips_allowed = 1,
4785                 .test = alg_test_skcipher,
4786                 .suite = {
4787                         .cipher = __VECS(aes_ctr_tv_template)
4788                 }
4789         }, {
4790 #endif
4791                 .alg = "cts(cbc(aes))",
4792                 .test = alg_test_skcipher,
4793                 .fips_allowed = 1,
4794                 .suite = {
4795                         .cipher = __VECS(cts_mode_tv_template)
4796                 }
4797         }, {
4798                 /* Same as cts(cbc((aes)) except the key is stored in
4799                  * hardware secure memory which we reference by index
4800                  */
4801                 .alg = "cts(cbc(paes))",
4802                 .test = alg_test_null,
4803                 .fips_allowed = 1,
4804         }, {
4805                 .alg = "cts(cbc(sm4))",
4806                 .test = alg_test_skcipher,
4807                 .suite = {
4808                         .cipher = __VECS(sm4_cts_tv_template)
4809                 }
4810         }, {
4811                 .alg = "curve25519",
4812                 .test = alg_test_kpp,
4813                 .suite = {
4814                         .kpp = __VECS(curve25519_tv_template)
4815                 }
4816         }, {
4817                 .alg = "deflate",
4818                 .test = alg_test_comp,
4819                 .fips_allowed = 1,
4820                 .suite = {
4821                         .comp = {
4822                                 .comp = __VECS(deflate_comp_tv_template),
4823                                 .decomp = __VECS(deflate_decomp_tv_template)
4824                         }
4825                 }
4826         }, {
4827                 .alg = "deflate-iaa",
4828                 .test = alg_test_comp,
4829                 .fips_allowed = 1,
4830                 .suite = {
4831                         .comp = {
4832                                 .comp = __VECS(deflate_comp_tv_template),
4833                                 .decomp = __VECS(deflate_decomp_tv_template)
4834                         }
4835                 }
4836         }, {
4837                 .alg = "dh",
4838                 .test = alg_test_kpp,
4839                 .suite = {
4840                         .kpp = __VECS(dh_tv_template)
4841                 }
4842         }, {
4843                 .alg = "digest_null",
4844                 .test = alg_test_null,
4845         }, {
4846                 .alg = "drbg_nopr_ctr_aes128",
4847                 .test = alg_test_drbg,
4848                 .fips_allowed = 1,
4849                 .suite = {
4850                         .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4851                 }
4852         }, {
4853                 .alg = "drbg_nopr_ctr_aes192",
4854                 .test = alg_test_drbg,
4855                 .fips_allowed = 1,
4856                 .suite = {
4857                         .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4858                 }
4859         }, {
4860                 .alg = "drbg_nopr_ctr_aes256",
4861                 .test = alg_test_drbg,
4862                 .fips_allowed = 1,
4863                 .suite = {
4864                         .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4865                 }
4866         }, {
4867                 .alg = "drbg_nopr_hmac_sha256",
4868                 .test = alg_test_drbg,
4869                 .fips_allowed = 1,
4870                 .suite = {
4871                         .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4872                 }
4873         }, {
4874                 /*
4875                  * There is no need to specifically test the DRBG with every
4876                  * backend cipher -- covered by drbg_nopr_hmac_sha512 test
4877                  */
4878                 .alg = "drbg_nopr_hmac_sha384",
4879                 .test = alg_test_null,
4880         }, {
4881                 .alg = "drbg_nopr_hmac_sha512",
4882                 .test = alg_test_drbg,
4883                 .fips_allowed = 1,
4884                 .suite = {
4885                         .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4886                 }
4887         }, {
4888                 .alg = "drbg_nopr_sha256",
4889                 .test = alg_test_drbg,
4890                 .fips_allowed = 1,
4891                 .suite = {
4892                         .drbg = __VECS(drbg_nopr_sha256_tv_template)
4893                 }
4894         }, {
4895                 /* covered by drbg_nopr_sha256 test */
4896                 .alg = "drbg_nopr_sha384",
4897                 .test = alg_test_null,
4898         }, {
4899                 .alg = "drbg_nopr_sha512",
4900                 .fips_allowed = 1,
4901                 .test = alg_test_null,
4902         }, {
4903                 .alg = "drbg_pr_ctr_aes128",
4904                 .test = alg_test_drbg,
4905                 .fips_allowed = 1,
4906                 .suite = {
4907                         .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4908                 }
4909         }, {
4910                 /* covered by drbg_pr_ctr_aes128 test */
4911                 .alg = "drbg_pr_ctr_aes192",
4912                 .fips_allowed = 1,
4913                 .test = alg_test_null,
4914         }, {
4915                 .alg = "drbg_pr_ctr_aes256",
4916                 .fips_allowed = 1,
4917                 .test = alg_test_null,
4918         }, {
4919                 .alg = "drbg_pr_hmac_sha256",
4920                 .test = alg_test_drbg,
4921                 .fips_allowed = 1,
4922                 .suite = {
4923                         .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4924                 }
4925         }, {
4926                 /* covered by drbg_pr_hmac_sha256 test */
4927                 .alg = "drbg_pr_hmac_sha384",
4928                 .test = alg_test_null,
4929         }, {
4930                 .alg = "drbg_pr_hmac_sha512",
4931                 .test = alg_test_null,
4932                 .fips_allowed = 1,
4933         }, {
4934                 .alg = "drbg_pr_sha256",
4935                 .test = alg_test_drbg,
4936                 .fips_allowed = 1,
4937                 .suite = {
4938                         .drbg = __VECS(drbg_pr_sha256_tv_template)
4939                 }
4940         }, {
4941                 /* covered by drbg_pr_sha256 test */
4942                 .alg = "drbg_pr_sha384",
4943                 .test = alg_test_null,
4944         }, {
4945                 .alg = "drbg_pr_sha512",
4946                 .fips_allowed = 1,
4947                 .test = alg_test_null,
4948         }, {
4949                 .alg = "ecb(aes)",
4950                 .test = alg_test_skcipher,
4951                 .fips_allowed = 1,
4952                 .suite = {
4953                         .cipher = __VECS(aes_tv_template)
4954                 }
4955         }, {
4956                 .alg = "ecb(anubis)",
4957                 .test = alg_test_skcipher,
4958                 .suite = {
4959                         .cipher = __VECS(anubis_tv_template)
4960                 }
4961         }, {
4962                 .alg = "ecb(arc4)",
4963                 .generic_driver = "arc4-generic",
4964                 .test = alg_test_skcipher,
4965                 .suite = {
4966                         .cipher = __VECS(arc4_tv_template)
4967                 }
4968         }, {
4969                 .alg = "ecb(aria)",
4970                 .test = alg_test_skcipher,
4971                 .suite = {
4972                         .cipher = __VECS(aria_tv_template)
4973                 }
4974         }, {
4975                 .alg = "ecb(blowfish)",
4976                 .test = alg_test_skcipher,
4977                 .suite = {
4978                         .cipher = __VECS(bf_tv_template)
4979                 }
4980         }, {
4981                 .alg = "ecb(camellia)",
4982                 .test = alg_test_skcipher,
4983                 .suite = {
4984                         .cipher = __VECS(camellia_tv_template)
4985                 }
4986         }, {
4987                 .alg = "ecb(cast5)",
4988                 .test = alg_test_skcipher,
4989                 .suite = {
4990                         .cipher = __VECS(cast5_tv_template)
4991                 }
4992         }, {
4993                 .alg = "ecb(cast6)",
4994                 .test = alg_test_skcipher,
4995                 .suite = {
4996                         .cipher = __VECS(cast6_tv_template)
4997                 }
4998         }, {
4999                 .alg = "ecb(cipher_null)",
5000                 .test = alg_test_null,
5001                 .fips_allowed = 1,
5002         }, {
5003                 .alg = "ecb(des)",
5004                 .test = alg_test_skcipher,
5005                 .suite = {
5006                         .cipher = __VECS(des_tv_template)
5007                 }
5008         }, {
5009                 .alg = "ecb(des3_ede)",
5010                 .test = alg_test_skcipher,
5011                 .suite = {
5012                         .cipher = __VECS(des3_ede_tv_template)
5013                 }
5014         }, {
5015                 .alg = "ecb(fcrypt)",
5016                 .test = alg_test_skcipher,
5017                 .suite = {
5018                         .cipher = {
5019                                 .vecs = fcrypt_pcbc_tv_template,
5020                                 .count = 1
5021                         }
5022                 }
5023         }, {
5024                 .alg = "ecb(khazad)",
5025                 .test = alg_test_skcipher,
5026                 .suite = {
5027                         .cipher = __VECS(khazad_tv_template)
5028                 }
5029         }, {
5030                 /* Same as ecb(aes) except the key is stored in
5031                  * hardware secure memory which we reference by index
5032                  */
5033                 .alg = "ecb(paes)",
5034                 .test = alg_test_null,
5035                 .fips_allowed = 1,
5036         }, {
5037                 .alg = "ecb(seed)",
5038                 .test = alg_test_skcipher,
5039                 .suite = {
5040                         .cipher = __VECS(seed_tv_template)
5041                 }
5042         }, {
5043                 .alg = "ecb(serpent)",
5044                 .test = alg_test_skcipher,
5045                 .suite = {
5046                         .cipher = __VECS(serpent_tv_template)
5047                 }
5048         }, {
5049                 .alg = "ecb(sm4)",
5050                 .test = alg_test_skcipher,
5051                 .suite = {
5052                         .cipher = __VECS(sm4_tv_template)
5053                 }
5054         }, {
5055                 .alg = "ecb(tea)",
5056                 .test = alg_test_skcipher,
5057                 .suite = {
5058                         .cipher = __VECS(tea_tv_template)
5059                 }
5060         }, {
5061                 .alg = "ecb(twofish)",
5062                 .test = alg_test_skcipher,
5063                 .suite = {
5064                         .cipher = __VECS(tf_tv_template)
5065                 }
5066         }, {
5067                 .alg = "ecb(xeta)",
5068                 .test = alg_test_skcipher,
5069                 .suite = {
5070                         .cipher = __VECS(xeta_tv_template)
5071                 }
5072         }, {
5073                 .alg = "ecb(xtea)",
5074                 .test = alg_test_skcipher,
5075                 .suite = {
5076                         .cipher = __VECS(xtea_tv_template)
5077                 }
5078         }, {
5079 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5080                 .alg = "ecb-paes-s390",
5081                 .fips_allowed = 1,
5082                 .test = alg_test_skcipher,
5083                 .suite = {
5084                         .cipher = __VECS(aes_tv_template)
5085                 }
5086         }, {
5087 #endif
5088                 .alg = "ecdh-nist-p192",
5089                 .test = alg_test_kpp,
5090                 .suite = {
5091                         .kpp = __VECS(ecdh_p192_tv_template)
5092                 }
5093         }, {
5094                 .alg = "ecdh-nist-p256",
5095                 .test = alg_test_kpp,
5096                 .fips_allowed = 1,
5097                 .suite = {
5098                         .kpp = __VECS(ecdh_p256_tv_template)
5099                 }
5100         }, {
5101                 .alg = "ecdh-nist-p384",
5102                 .test = alg_test_kpp,
5103                 .fips_allowed = 1,
5104                 .suite = {
5105                         .kpp = __VECS(ecdh_p384_tv_template)
5106                 }
5107         }, {
5108                 .alg = "ecdsa-nist-p192",
5109                 .test = alg_test_akcipher,
5110                 .suite = {
5111                         .akcipher = __VECS(ecdsa_nist_p192_tv_template)
5112                 }
5113         }, {
5114                 .alg = "ecdsa-nist-p256",
5115                 .test = alg_test_akcipher,
5116                 .fips_allowed = 1,
5117                 .suite = {
5118                         .akcipher = __VECS(ecdsa_nist_p256_tv_template)
5119                 }
5120         }, {
5121                 .alg = "ecdsa-nist-p384",
5122                 .test = alg_test_akcipher,
5123                 .fips_allowed = 1,
5124                 .suite = {
5125                         .akcipher = __VECS(ecdsa_nist_p384_tv_template)
5126                 }
5127         }, {
5128                 .alg = "ecdsa-nist-p521",
5129                 .test = alg_test_akcipher,
5130                 .fips_allowed = 1,
5131                 .suite = {
5132                         .akcipher = __VECS(ecdsa_nist_p521_tv_template)
5133                 }
5134         }, {
5135                 .alg = "ecrdsa",
5136                 .test = alg_test_akcipher,
5137                 .suite = {
5138                         .akcipher = __VECS(ecrdsa_tv_template)
5139                 }
5140         }, {
5141                 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
5142                 .test = alg_test_aead,
5143                 .fips_allowed = 1,
5144                 .suite = {
5145                         .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
5146                 }
5147         }, {
5148                 .alg = "essiv(cbc(aes),sha256)",
5149                 .test = alg_test_skcipher,
5150                 .fips_allowed = 1,
5151                 .suite = {
5152                         .cipher = __VECS(essiv_aes_cbc_tv_template)
5153                 }
5154         }, {
5155 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
5156                 .alg = "ffdhe2048(dh)",
5157                 .test = alg_test_kpp,
5158                 .fips_allowed = 1,
5159                 .suite = {
5160                         .kpp = __VECS(ffdhe2048_dh_tv_template)
5161                 }
5162         }, {
5163                 .alg = "ffdhe3072(dh)",
5164                 .test = alg_test_kpp,
5165                 .fips_allowed = 1,
5166                 .suite = {
5167                         .kpp = __VECS(ffdhe3072_dh_tv_template)
5168                 }
5169         }, {
5170                 .alg = "ffdhe4096(dh)",
5171                 .test = alg_test_kpp,
5172                 .fips_allowed = 1,
5173                 .suite = {
5174                         .kpp = __VECS(ffdhe4096_dh_tv_template)
5175                 }
5176         }, {
5177                 .alg = "ffdhe6144(dh)",
5178                 .test = alg_test_kpp,
5179                 .fips_allowed = 1,
5180                 .suite = {
5181                         .kpp = __VECS(ffdhe6144_dh_tv_template)
5182                 }
5183         }, {
5184                 .alg = "ffdhe8192(dh)",
5185                 .test = alg_test_kpp,
5186                 .fips_allowed = 1,
5187                 .suite = {
5188                         .kpp = __VECS(ffdhe8192_dh_tv_template)
5189                 }
5190         }, {
5191 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5192                 .alg = "gcm(aes)",
5193                 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5194                 .test = alg_test_aead,
5195                 .fips_allowed = 1,
5196                 .suite = {
5197                         .aead = __VECS(aes_gcm_tv_template)
5198                 }
5199         }, {
5200                 .alg = "gcm(aria)",
5201                 .generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
5202                 .test = alg_test_aead,
5203                 .suite = {
5204                         .aead = __VECS(aria_gcm_tv_template)
5205                 }
5206         }, {
5207                 .alg = "gcm(sm4)",
5208                 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5209                 .test = alg_test_aead,
5210                 .suite = {
5211                         .aead = __VECS(sm4_gcm_tv_template)
5212                 }
5213         }, {
5214                 .alg = "ghash",
5215                 .test = alg_test_hash,
5216                 .suite = {
5217                         .hash = __VECS(ghash_tv_template)
5218                 }
5219         }, {
5220                 .alg = "hctr2(aes)",
5221                 .generic_driver =
5222                     "hctr2_base(xctr(aes-generic),polyval-generic)",
5223                 .test = alg_test_skcipher,
5224                 .suite = {
5225                         .cipher = __VECS(aes_hctr2_tv_template)
5226                 }
5227         }, {
5228                 .alg = "hmac(md5)",
5229                 .test = alg_test_hash,
5230                 .suite = {
5231                         .hash = __VECS(hmac_md5_tv_template)
5232                 }
5233         }, {
5234                 .alg = "hmac(rmd160)",
5235                 .test = alg_test_hash,
5236                 .suite = {
5237                         .hash = __VECS(hmac_rmd160_tv_template)
5238                 }
5239         }, {
5240                 .alg = "hmac(sha1)",
5241                 .test = alg_test_hash,
5242                 .fips_allowed = 1,
5243                 .suite = {
5244                         .hash = __VECS(hmac_sha1_tv_template)
5245                 }
5246         }, {
5247                 .alg = "hmac(sha224)",
5248                 .test = alg_test_hash,
5249                 .fips_allowed = 1,
5250                 .suite = {
5251                         .hash = __VECS(hmac_sha224_tv_template)
5252                 }
5253         }, {
5254                 .alg = "hmac(sha256)",
5255                 .test = alg_test_hash,
5256                 .fips_allowed = 1,
5257                 .suite = {
5258                         .hash = __VECS(hmac_sha256_tv_template)
5259                 }
5260         }, {
5261                 .alg = "hmac(sha3-224)",
5262                 .test = alg_test_hash,
5263                 .fips_allowed = 1,
5264                 .suite = {
5265                         .hash = __VECS(hmac_sha3_224_tv_template)
5266                 }
5267         }, {
5268                 .alg = "hmac(sha3-256)",
5269                 .test = alg_test_hash,
5270                 .fips_allowed = 1,
5271                 .suite = {
5272                         .hash = __VECS(hmac_sha3_256_tv_template)
5273                 }
5274         }, {
5275                 .alg = "hmac(sha3-384)",
5276                 .test = alg_test_hash,
5277                 .fips_allowed = 1,
5278                 .suite = {
5279                         .hash = __VECS(hmac_sha3_384_tv_template)
5280                 }
5281         }, {
5282                 .alg = "hmac(sha3-512)",
5283                 .test = alg_test_hash,
5284                 .fips_allowed = 1,
5285                 .suite = {
5286                         .hash = __VECS(hmac_sha3_512_tv_template)
5287                 }
5288         }, {
5289                 .alg = "hmac(sha384)",
5290                 .test = alg_test_hash,
5291                 .fips_allowed = 1,
5292                 .suite = {
5293                         .hash = __VECS(hmac_sha384_tv_template)
5294                 }
5295         }, {
5296                 .alg = "hmac(sha512)",
5297                 .test = alg_test_hash,
5298                 .fips_allowed = 1,
5299                 .suite = {
5300                         .hash = __VECS(hmac_sha512_tv_template)
5301                 }
5302         }, {
5303                 .alg = "hmac(sm3)",
5304                 .test = alg_test_hash,
5305                 .suite = {
5306                         .hash = __VECS(hmac_sm3_tv_template)
5307                 }
5308         }, {
5309                 .alg = "hmac(streebog256)",
5310                 .test = alg_test_hash,
5311                 .suite = {
5312                         .hash = __VECS(hmac_streebog256_tv_template)
5313                 }
5314         }, {
5315                 .alg = "hmac(streebog512)",
5316                 .test = alg_test_hash,
5317                 .suite = {
5318                         .hash = __VECS(hmac_streebog512_tv_template)
5319                 }
5320         }, {
5321                 .alg = "jitterentropy_rng",
5322                 .fips_allowed = 1,
5323                 .test = alg_test_null,
5324         }, {
5325                 .alg = "kw(aes)",
5326                 .test = alg_test_skcipher,
5327                 .fips_allowed = 1,
5328                 .suite = {
5329                         .cipher = __VECS(aes_kw_tv_template)
5330                 }
5331         }, {
5332                 .alg = "lrw(aes)",
5333                 .generic_driver = "lrw(ecb(aes-generic))",
5334                 .test = alg_test_skcipher,
5335                 .suite = {
5336                         .cipher = __VECS(aes_lrw_tv_template)
5337                 }
5338         }, {
5339                 .alg = "lrw(camellia)",
5340                 .generic_driver = "lrw(ecb(camellia-generic))",
5341                 .test = alg_test_skcipher,
5342                 .suite = {
5343                         .cipher = __VECS(camellia_lrw_tv_template)
5344                 }
5345         }, {
5346                 .alg = "lrw(cast6)",
5347                 .generic_driver = "lrw(ecb(cast6-generic))",
5348                 .test = alg_test_skcipher,
5349                 .suite = {
5350                         .cipher = __VECS(cast6_lrw_tv_template)
5351                 }
5352         }, {
5353                 .alg = "lrw(serpent)",
5354                 .generic_driver = "lrw(ecb(serpent-generic))",
5355                 .test = alg_test_skcipher,
5356                 .suite = {
5357                         .cipher = __VECS(serpent_lrw_tv_template)
5358                 }
5359         }, {
5360                 .alg = "lrw(twofish)",
5361                 .generic_driver = "lrw(ecb(twofish-generic))",
5362                 .test = alg_test_skcipher,
5363                 .suite = {
5364                         .cipher = __VECS(tf_lrw_tv_template)
5365                 }
5366         }, {
5367                 .alg = "lz4",
5368                 .test = alg_test_comp,
5369                 .fips_allowed = 1,
5370                 .suite = {
5371                         .comp = {
5372                                 .comp = __VECS(lz4_comp_tv_template),
5373                                 .decomp = __VECS(lz4_decomp_tv_template)
5374                         }
5375                 }
5376         }, {
5377                 .alg = "lz4hc",
5378                 .test = alg_test_comp,
5379                 .fips_allowed = 1,
5380                 .suite = {
5381                         .comp = {
5382                                 .comp = __VECS(lz4hc_comp_tv_template),
5383                                 .decomp = __VECS(lz4hc_decomp_tv_template)
5384                         }
5385                 }
5386         }, {
5387                 .alg = "lzo",
5388                 .test = alg_test_comp,
5389                 .fips_allowed = 1,
5390                 .suite = {
5391                         .comp = {
5392                                 .comp = __VECS(lzo_comp_tv_template),
5393                                 .decomp = __VECS(lzo_decomp_tv_template)
5394                         }
5395                 }
5396         }, {
5397                 .alg = "lzo-rle",
5398                 .test = alg_test_comp,
5399                 .fips_allowed = 1,
5400                 .suite = {
5401                         .comp = {
5402                                 .comp = __VECS(lzorle_comp_tv_template),
5403                                 .decomp = __VECS(lzorle_decomp_tv_template)
5404                         }
5405                 }
5406         }, {
5407                 .alg = "md4",
5408                 .test = alg_test_hash,
5409                 .suite = {
5410                         .hash = __VECS(md4_tv_template)
5411                 }
5412         }, {
5413                 .alg = "md5",
5414                 .test = alg_test_hash,
5415                 .suite = {
5416                         .hash = __VECS(md5_tv_template)
5417                 }
5418         }, {
5419                 .alg = "michael_mic",
5420                 .test = alg_test_hash,
5421                 .suite = {
5422                         .hash = __VECS(michael_mic_tv_template)
5423                 }
5424         }, {
5425                 .alg = "nhpoly1305",
5426                 .test = alg_test_hash,
5427                 .suite = {
5428                         .hash = __VECS(nhpoly1305_tv_template)
5429                 }
5430         }, {
5431                 .alg = "pcbc(fcrypt)",
5432                 .test = alg_test_skcipher,
5433                 .suite = {
5434                         .cipher = __VECS(fcrypt_pcbc_tv_template)
5435                 }
5436         }, {
5437                 .alg = "pkcs1pad(rsa,sha224)",
5438                 .test = alg_test_null,
5439                 .fips_allowed = 1,
5440         }, {
5441                 .alg = "pkcs1pad(rsa,sha256)",
5442                 .test = alg_test_akcipher,
5443                 .fips_allowed = 1,
5444                 .suite = {
5445                         .akcipher = __VECS(pkcs1pad_rsa_tv_template)
5446                 }
5447         }, {
5448                 .alg = "pkcs1pad(rsa,sha3-256)",
5449                 .test = alg_test_null,
5450                 .fips_allowed = 1,
5451         }, {
5452                 .alg = "pkcs1pad(rsa,sha3-384)",
5453                 .test = alg_test_null,
5454                 .fips_allowed = 1,
5455         }, {
5456                 .alg = "pkcs1pad(rsa,sha3-512)",
5457                 .test = alg_test_null,
5458                 .fips_allowed = 1,
5459         }, {
5460                 .alg = "pkcs1pad(rsa,sha384)",
5461                 .test = alg_test_null,
5462                 .fips_allowed = 1,
5463         }, {
5464                 .alg = "pkcs1pad(rsa,sha512)",
5465                 .test = alg_test_null,
5466                 .fips_allowed = 1,
5467         }, {
5468                 .alg = "poly1305",
5469                 .test = alg_test_hash,
5470                 .suite = {
5471                         .hash = __VECS(poly1305_tv_template)
5472                 }
5473         }, {
5474                 .alg = "polyval",
5475                 .test = alg_test_hash,
5476                 .suite = {
5477                         .hash = __VECS(polyval_tv_template)
5478                 }
5479         }, {
5480                 .alg = "rfc3686(ctr(aes))",
5481                 .test = alg_test_skcipher,
5482                 .fips_allowed = 1,
5483                 .suite = {
5484                         .cipher = __VECS(aes_ctr_rfc3686_tv_template)
5485                 }
5486         }, {
5487                 .alg = "rfc3686(ctr(sm4))",
5488                 .test = alg_test_skcipher,
5489                 .suite = {
5490                         .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5491                 }
5492         }, {
5493                 .alg = "rfc4106(gcm(aes))",
5494                 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5495                 .test = alg_test_aead,
5496                 .fips_allowed = 1,
5497                 .suite = {
5498                         .aead = {
5499                                 ____VECS(aes_gcm_rfc4106_tv_template),
5500                                 .einval_allowed = 1,
5501                                 .aad_iv = 1,
5502                         }
5503                 }
5504         }, {
5505                 .alg = "rfc4309(ccm(aes))",
5506                 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5507                 .test = alg_test_aead,
5508                 .fips_allowed = 1,
5509                 .suite = {
5510                         .aead = {
5511                                 ____VECS(aes_ccm_rfc4309_tv_template),
5512                                 .einval_allowed = 1,
5513                                 .aad_iv = 1,
5514                         }
5515                 }
5516         }, {
5517                 .alg = "rfc4543(gcm(aes))",
5518                 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5519                 .test = alg_test_aead,
5520                 .suite = {
5521                         .aead = {
5522                                 ____VECS(aes_gcm_rfc4543_tv_template),
5523                                 .einval_allowed = 1,
5524                                 .aad_iv = 1,
5525                         }
5526                 }
5527         }, {
5528                 .alg = "rfc7539(chacha20,poly1305)",
5529                 .test = alg_test_aead,
5530                 .suite = {
5531                         .aead = __VECS(rfc7539_tv_template)
5532                 }
5533         }, {
5534                 .alg = "rfc7539esp(chacha20,poly1305)",
5535                 .test = alg_test_aead,
5536                 .suite = {
5537                         .aead = {
5538                                 ____VECS(rfc7539esp_tv_template),
5539                                 .einval_allowed = 1,
5540                                 .aad_iv = 1,
5541                         }
5542                 }
5543         }, {
5544                 .alg = "rmd160",
5545                 .test = alg_test_hash,
5546                 .suite = {
5547                         .hash = __VECS(rmd160_tv_template)
5548                 }
5549         }, {
5550                 .alg = "rsa",
5551                 .test = alg_test_akcipher,
5552                 .fips_allowed = 1,
5553                 .suite = {
5554                         .akcipher = __VECS(rsa_tv_template)
5555                 }
5556         }, {
5557                 .alg = "sha1",
5558                 .test = alg_test_hash,
5559                 .fips_allowed = 1,
5560                 .suite = {
5561                         .hash = __VECS(sha1_tv_template)
5562                 }
5563         }, {
5564                 .alg = "sha224",
5565                 .test = alg_test_hash,
5566                 .fips_allowed = 1,
5567                 .suite = {
5568                         .hash = __VECS(sha224_tv_template)
5569                 }
5570         }, {
5571                 .alg = "sha256",
5572                 .test = alg_test_hash,
5573                 .fips_allowed = 1,
5574                 .suite = {
5575                         .hash = __VECS(sha256_tv_template)
5576                 }
5577         }, {
5578                 .alg = "sha3-224",
5579                 .test = alg_test_hash,
5580                 .fips_allowed = 1,
5581                 .suite = {
5582                         .hash = __VECS(sha3_224_tv_template)
5583                 }
5584         }, {
5585                 .alg = "sha3-256",
5586                 .test = alg_test_hash,
5587                 .fips_allowed = 1,
5588                 .suite = {
5589                         .hash = __VECS(sha3_256_tv_template)
5590                 }
5591         }, {
5592                 .alg = "sha3-384",
5593                 .test = alg_test_hash,
5594                 .fips_allowed = 1,
5595                 .suite = {
5596                         .hash = __VECS(sha3_384_tv_template)
5597                 }
5598         }, {
5599                 .alg = "sha3-512",
5600                 .test = alg_test_hash,
5601                 .fips_allowed = 1,
5602                 .suite = {
5603                         .hash = __VECS(sha3_512_tv_template)
5604                 }
5605         }, {
5606                 .alg = "sha384",
5607                 .test = alg_test_hash,
5608                 .fips_allowed = 1,
5609                 .suite = {
5610                         .hash = __VECS(sha384_tv_template)
5611                 }
5612         }, {
5613                 .alg = "sha512",
5614                 .test = alg_test_hash,
5615                 .fips_allowed = 1,
5616                 .suite = {
5617                         .hash = __VECS(sha512_tv_template)
5618                 }
5619         }, {
5620                 .alg = "sm3",
5621                 .test = alg_test_hash,
5622                 .suite = {
5623                         .hash = __VECS(sm3_tv_template)
5624                 }
5625         }, {
5626                 .alg = "streebog256",
5627                 .test = alg_test_hash,
5628                 .suite = {
5629                         .hash = __VECS(streebog256_tv_template)
5630                 }
5631         }, {
5632                 .alg = "streebog512",
5633                 .test = alg_test_hash,
5634                 .suite = {
5635                         .hash = __VECS(streebog512_tv_template)
5636                 }
5637         }, {
5638                 .alg = "vmac64(aes)",
5639                 .test = alg_test_hash,
5640                 .suite = {
5641                         .hash = __VECS(vmac64_aes_tv_template)
5642                 }
5643         }, {
5644                 .alg = "wp256",
5645                 .test = alg_test_hash,
5646                 .suite = {
5647                         .hash = __VECS(wp256_tv_template)
5648                 }
5649         }, {
5650                 .alg = "wp384",
5651                 .test = alg_test_hash,
5652                 .suite = {
5653                         .hash = __VECS(wp384_tv_template)
5654                 }
5655         }, {
5656                 .alg = "wp512",
5657                 .test = alg_test_hash,
5658                 .suite = {
5659                         .hash = __VECS(wp512_tv_template)
5660                 }
5661         }, {
5662                 .alg = "xcbc(aes)",
5663                 .test = alg_test_hash,
5664                 .suite = {
5665                         .hash = __VECS(aes_xcbc128_tv_template)
5666                 }
5667         }, {
5668                 .alg = "xcbc(sm4)",
5669                 .test = alg_test_hash,
5670                 .suite = {
5671                         .hash = __VECS(sm4_xcbc128_tv_template)
5672                 }
5673         }, {
5674                 .alg = "xchacha12",
5675                 .test = alg_test_skcipher,
5676                 .suite = {
5677                         .cipher = __VECS(xchacha12_tv_template)
5678                 },
5679         }, {
5680                 .alg = "xchacha20",
5681                 .test = alg_test_skcipher,
5682                 .suite = {
5683                         .cipher = __VECS(xchacha20_tv_template)
5684                 },
5685         }, {
5686                 .alg = "xctr(aes)",
5687                 .test = alg_test_skcipher,
5688                 .suite = {
5689                         .cipher = __VECS(aes_xctr_tv_template)
5690                 }
5691         }, {
5692                 .alg = "xts(aes)",
5693                 .generic_driver = "xts(ecb(aes-generic))",
5694                 .test = alg_test_skcipher,
5695                 .fips_allowed = 1,
5696                 .suite = {
5697                         .cipher = __VECS(aes_xts_tv_template)
5698                 }
5699         }, {
5700                 .alg = "xts(camellia)",
5701                 .generic_driver = "xts(ecb(camellia-generic))",
5702                 .test = alg_test_skcipher,
5703                 .suite = {
5704                         .cipher = __VECS(camellia_xts_tv_template)
5705                 }
5706         }, {
5707                 .alg = "xts(cast6)",
5708                 .generic_driver = "xts(ecb(cast6-generic))",
5709                 .test = alg_test_skcipher,
5710                 .suite = {
5711                         .cipher = __VECS(cast6_xts_tv_template)
5712                 }
5713         }, {
5714                 /* Same as xts(aes) except the key is stored in
5715                  * hardware secure memory which we reference by index
5716                  */
5717                 .alg = "xts(paes)",
5718                 .test = alg_test_null,
5719                 .fips_allowed = 1,
5720         }, {
5721                 .alg = "xts(serpent)",
5722                 .generic_driver = "xts(ecb(serpent-generic))",
5723                 .test = alg_test_skcipher,
5724                 .suite = {
5725                         .cipher = __VECS(serpent_xts_tv_template)
5726                 }
5727         }, {
5728                 .alg = "xts(sm4)",
5729                 .generic_driver = "xts(ecb(sm4-generic))",
5730                 .test = alg_test_skcipher,
5731                 .suite = {
5732                         .cipher = __VECS(sm4_xts_tv_template)
5733                 }
5734         }, {
5735                 .alg = "xts(twofish)",
5736                 .generic_driver = "xts(ecb(twofish-generic))",
5737                 .test = alg_test_skcipher,
5738                 .suite = {
5739                         .cipher = __VECS(tf_xts_tv_template)
5740                 }
5741         }, {
5742 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5743                 .alg = "xts-paes-s390",
5744                 .fips_allowed = 1,
5745                 .test = alg_test_skcipher,
5746                 .suite = {
5747                         .cipher = __VECS(aes_xts_tv_template)
5748                 }
5749         }, {
5750 #endif
5751                 .alg = "xxhash64",
5752                 .test = alg_test_hash,
5753                 .fips_allowed = 1,
5754                 .suite = {
5755                         .hash = __VECS(xxhash64_tv_template)
5756                 }
5757         }, {
5758                 .alg = "zstd",
5759                 .test = alg_test_comp,
5760                 .fips_allowed = 1,
5761                 .suite = {
5762                         .comp = {
5763                                 .comp = __VECS(zstd_comp_tv_template),
5764                                 .decomp = __VECS(zstd_decomp_tv_template)
5765                         }
5766                 }
5767         }
5768 };
5769 
5770 static void alg_check_test_descs_order(void)
5771 {
5772         int i;
5773 
5774         for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5775                 int diff = strcmp(alg_test_descs[i - 1].alg,
5776                                   alg_test_descs[i].alg);
5777 
5778                 if (WARN_ON(diff > 0)) {
5779                         pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5780                                 alg_test_descs[i - 1].alg,
5781                                 alg_test_descs[i].alg);
5782                 }
5783 
5784                 if (WARN_ON(diff == 0)) {
5785                         pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5786                                 alg_test_descs[i].alg);
5787                 }
5788         }
5789 }
5790 
5791 static void alg_check_testvec_configs(void)
5792 {
5793         int i;
5794 
5795         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5796                 WARN_ON(!valid_testvec_config(
5797                                 &default_cipher_testvec_configs[i]));
5798 
5799         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5800                 WARN_ON(!valid_testvec_config(
5801                                 &default_hash_testvec_configs[i]));
5802 }
5803 
5804 static void testmgr_onetime_init(void)
5805 {
5806         alg_check_test_descs_order();
5807         alg_check_testvec_configs();
5808 
5809 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5810         pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5811 #endif
5812 }
5813 
5814 static int alg_find_test(const char *alg)
5815 {
5816         int start = 0;
5817         int end = ARRAY_SIZE(alg_test_descs);
5818 
5819         while (start < end) {
5820                 int i = (start + end) / 2;
5821                 int diff = strcmp(alg_test_descs[i].alg, alg);
5822 
5823                 if (diff > 0) {
5824                         end = i;
5825                         continue;
5826                 }
5827 
5828                 if (diff < 0) {
5829                         start = i + 1;
5830                         continue;
5831                 }
5832 
5833                 return i;
5834         }
5835 
5836         return -1;
5837 }
5838 
5839 static int alg_fips_disabled(const char *driver, const char *alg)
5840 {
5841         pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5842 
5843         return -ECANCELED;
5844 }
5845 
5846 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5847 {
5848         int i;
5849         int j;
5850         int rc;
5851 
5852         if (!fips_enabled && notests) {
5853                 printk_once(KERN_INFO "alg: self-tests disabled\n");
5854                 return 0;
5855         }
5856 
5857         DO_ONCE(testmgr_onetime_init);
5858 
5859         if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5860                 char nalg[CRYPTO_MAX_ALG_NAME];
5861 
5862                 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5863                     sizeof(nalg))
5864                         return -ENAMETOOLONG;
5865 
5866                 i = alg_find_test(nalg);
5867                 if (i < 0)
5868                         goto notest;
5869 
5870                 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5871                         goto non_fips_alg;
5872 
5873                 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5874                 goto test_done;
5875         }
5876 
5877         i = alg_find_test(alg);
5878         j = alg_find_test(driver);
5879         if (i < 0 && j < 0)
5880                 goto notest;
5881 
5882         if (fips_enabled) {
5883                 if (j >= 0 && !alg_test_descs[j].fips_allowed)
5884                         return -EINVAL;
5885 
5886                 if (i >= 0 && !alg_test_descs[i].fips_allowed)
5887                         goto non_fips_alg;
5888         }
5889 
5890         rc = 0;
5891         if (i >= 0)
5892                 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5893                                              type, mask);
5894         if (j >= 0 && j != i)
5895                 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5896                                              type, mask);
5897 
5898 test_done:
5899         if (rc) {
5900                 if (fips_enabled || panic_on_fail) {
5901                         fips_fail_notify();
5902                         panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5903                               driver, alg,
5904                               fips_enabled ? "fips" : "panic_on_fail");
5905                 }
5906                 pr_warn("alg: self-tests for %s using %s failed (rc=%d)",
5907                         alg, driver, rc);
5908                 WARN(rc != -ENOENT,
5909                      "alg: self-tests for %s using %s failed (rc=%d)",
5910                      alg, driver, rc);
5911         } else {
5912                 if (fips_enabled)
5913                         pr_info("alg: self-tests for %s (%s) passed\n",
5914                                 driver, alg);
5915         }
5916 
5917         return rc;
5918 
5919 notest:
5920         if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_LSKCIPHER) {
5921                 char nalg[CRYPTO_MAX_ALG_NAME];
5922 
5923                 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5924                     sizeof(nalg))
5925                         goto notest2;
5926 
5927                 i = alg_find_test(nalg);
5928                 if (i < 0)
5929                         goto notest2;
5930 
5931                 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5932                         goto non_fips_alg;
5933 
5934                 rc = alg_test_skcipher(alg_test_descs + i, driver, type, mask);
5935                 goto test_done;
5936         }
5937 
5938 notest2:
5939         printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5940 
5941         if (type & CRYPTO_ALG_FIPS_INTERNAL)
5942                 return alg_fips_disabled(driver, alg);
5943 
5944         return 0;
5945 non_fips_alg:
5946         return alg_fips_disabled(driver, alg);
5947 }
5948 
5949 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5950 
5951 EXPORT_SYMBOL_GPL(alg_test);
5952 

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