1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # 2 #
3 # Generic algorithms support 3 # Generic algorithms support
4 # 4 #
5 config XOR_BLOCKS 5 config XOR_BLOCKS
6 tristate 6 tristate
7 7
8 # 8 #
9 # async_tx api: hardware offloaded memory tran 9 # async_tx api: hardware offloaded memory transfer/transform support
10 # 10 #
11 source "crypto/async_tx/Kconfig" 11 source "crypto/async_tx/Kconfig"
12 12
13 # 13 #
14 # Cryptographic API Configuration 14 # Cryptographic API Configuration
15 # 15 #
16 menuconfig CRYPTO 16 menuconfig CRYPTO
17 tristate "Cryptographic API" 17 tristate "Cryptographic API"
18 select CRYPTO_LIB_UTILS 18 select CRYPTO_LIB_UTILS
19 help 19 help
20 This option provides the core Crypto 20 This option provides the core Cryptographic API.
21 21
22 if CRYPTO 22 if CRYPTO
23 23
24 menu "Crypto core or helper" 24 menu "Crypto core or helper"
25 25
26 config CRYPTO_FIPS 26 config CRYPTO_FIPS
27 bool "FIPS 200 compliance" 27 bool "FIPS 200 compliance"
28 depends on (CRYPTO_ANSI_CPRNG || CRYPT 28 depends on (CRYPTO_ANSI_CPRNG || CRYPTO_DRBG) && !CRYPTO_MANAGER_DISABLE_TESTS
29 depends on (MODULE_SIG || !MODULES) 29 depends on (MODULE_SIG || !MODULES)
30 help 30 help
31 This option enables the fips boot op 31 This option enables the fips boot option which is
32 required if you want the system to o 32 required if you want the system to operate in a FIPS 200
33 certification. You should say no un 33 certification. You should say no unless you know what
34 this is. 34 this is.
35 35
36 config CRYPTO_FIPS_NAME 36 config CRYPTO_FIPS_NAME
37 string "FIPS Module Name" 37 string "FIPS Module Name"
38 default "Linux Kernel Cryptographic AP 38 default "Linux Kernel Cryptographic API"
39 depends on CRYPTO_FIPS 39 depends on CRYPTO_FIPS
40 help 40 help
41 This option sets the FIPS Module nam 41 This option sets the FIPS Module name reported by the Crypto API via
42 the /proc/sys/crypto/fips_name file. 42 the /proc/sys/crypto/fips_name file.
43 43
44 config CRYPTO_FIPS_CUSTOM_VERSION 44 config CRYPTO_FIPS_CUSTOM_VERSION
45 bool "Use Custom FIPS Module Version" 45 bool "Use Custom FIPS Module Version"
46 depends on CRYPTO_FIPS 46 depends on CRYPTO_FIPS
47 default n 47 default n
48 48
49 config CRYPTO_FIPS_VERSION 49 config CRYPTO_FIPS_VERSION
50 string "FIPS Module Version" 50 string "FIPS Module Version"
51 default "(none)" 51 default "(none)"
52 depends on CRYPTO_FIPS_CUSTOM_VERSION 52 depends on CRYPTO_FIPS_CUSTOM_VERSION
53 help 53 help
54 This option provides the ability to 54 This option provides the ability to override the FIPS Module Version.
55 By default the KERNELRELEASE value i 55 By default the KERNELRELEASE value is used.
56 56
57 config CRYPTO_ALGAPI 57 config CRYPTO_ALGAPI
58 tristate 58 tristate
59 select CRYPTO_ALGAPI2 59 select CRYPTO_ALGAPI2
60 help 60 help
61 This option provides the API for cry 61 This option provides the API for cryptographic algorithms.
62 62
63 config CRYPTO_ALGAPI2 63 config CRYPTO_ALGAPI2
64 tristate 64 tristate
65 65
66 config CRYPTO_AEAD 66 config CRYPTO_AEAD
67 tristate 67 tristate
68 select CRYPTO_AEAD2 68 select CRYPTO_AEAD2
69 select CRYPTO_ALGAPI 69 select CRYPTO_ALGAPI
70 70
71 config CRYPTO_AEAD2 71 config CRYPTO_AEAD2
72 tristate 72 tristate
73 select CRYPTO_ALGAPI2 73 select CRYPTO_ALGAPI2
74 !! 74 select CRYPTO_NULL2
75 config CRYPTO_SIG !! 75 select CRYPTO_RNG2
76 tristate <<
77 select CRYPTO_SIG2 <<
78 select CRYPTO_ALGAPI <<
79 <<
80 config CRYPTO_SIG2 <<
81 tristate <<
82 select CRYPTO_ALGAPI2 <<
83 76
84 config CRYPTO_SKCIPHER 77 config CRYPTO_SKCIPHER
85 tristate 78 tristate
86 select CRYPTO_SKCIPHER2 79 select CRYPTO_SKCIPHER2
87 select CRYPTO_ALGAPI 80 select CRYPTO_ALGAPI
88 select CRYPTO_ECB <<
89 81
90 config CRYPTO_SKCIPHER2 82 config CRYPTO_SKCIPHER2
91 tristate 83 tristate
92 select CRYPTO_ALGAPI2 84 select CRYPTO_ALGAPI2
>> 85 select CRYPTO_RNG2
93 86
94 config CRYPTO_HASH 87 config CRYPTO_HASH
95 tristate 88 tristate
96 select CRYPTO_HASH2 89 select CRYPTO_HASH2
97 select CRYPTO_ALGAPI 90 select CRYPTO_ALGAPI
98 91
99 config CRYPTO_HASH2 92 config CRYPTO_HASH2
100 tristate 93 tristate
101 select CRYPTO_ALGAPI2 94 select CRYPTO_ALGAPI2
102 95
103 config CRYPTO_RNG 96 config CRYPTO_RNG
104 tristate 97 tristate
105 select CRYPTO_RNG2 98 select CRYPTO_RNG2
106 select CRYPTO_ALGAPI 99 select CRYPTO_ALGAPI
107 100
108 config CRYPTO_RNG2 101 config CRYPTO_RNG2
109 tristate 102 tristate
110 select CRYPTO_ALGAPI2 103 select CRYPTO_ALGAPI2
111 104
112 config CRYPTO_RNG_DEFAULT 105 config CRYPTO_RNG_DEFAULT
113 tristate 106 tristate
114 select CRYPTO_DRBG_MENU 107 select CRYPTO_DRBG_MENU
115 108
116 config CRYPTO_AKCIPHER2 109 config CRYPTO_AKCIPHER2
117 tristate 110 tristate
118 select CRYPTO_ALGAPI2 111 select CRYPTO_ALGAPI2
119 112
120 config CRYPTO_AKCIPHER 113 config CRYPTO_AKCIPHER
121 tristate 114 tristate
122 select CRYPTO_AKCIPHER2 115 select CRYPTO_AKCIPHER2
123 select CRYPTO_ALGAPI 116 select CRYPTO_ALGAPI
124 117
125 config CRYPTO_KPP2 118 config CRYPTO_KPP2
126 tristate 119 tristate
127 select CRYPTO_ALGAPI2 120 select CRYPTO_ALGAPI2
128 121
129 config CRYPTO_KPP 122 config CRYPTO_KPP
130 tristate 123 tristate
131 select CRYPTO_ALGAPI 124 select CRYPTO_ALGAPI
132 select CRYPTO_KPP2 125 select CRYPTO_KPP2
133 126
134 config CRYPTO_ACOMP2 127 config CRYPTO_ACOMP2
135 tristate 128 tristate
136 select CRYPTO_ALGAPI2 129 select CRYPTO_ALGAPI2
137 select SGL_ALLOC 130 select SGL_ALLOC
138 131
139 config CRYPTO_ACOMP 132 config CRYPTO_ACOMP
140 tristate 133 tristate
141 select CRYPTO_ALGAPI 134 select CRYPTO_ALGAPI
142 select CRYPTO_ACOMP2 135 select CRYPTO_ACOMP2
143 136
144 config CRYPTO_MANAGER 137 config CRYPTO_MANAGER
145 tristate "Cryptographic algorithm mana 138 tristate "Cryptographic algorithm manager"
146 select CRYPTO_MANAGER2 139 select CRYPTO_MANAGER2
147 help 140 help
148 Create default cryptographic templat 141 Create default cryptographic template instantiations such as
149 cbc(aes). 142 cbc(aes).
150 143
151 config CRYPTO_MANAGER2 144 config CRYPTO_MANAGER2
152 def_tristate CRYPTO_MANAGER || (CRYPTO 145 def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
153 select CRYPTO_ACOMP2 <<
154 select CRYPTO_AEAD2 146 select CRYPTO_AEAD2
155 select CRYPTO_AKCIPHER2 <<
156 select CRYPTO_SIG2 <<
157 select CRYPTO_HASH2 147 select CRYPTO_HASH2
158 select CRYPTO_KPP2 <<
159 select CRYPTO_RNG2 <<
160 select CRYPTO_SKCIPHER2 148 select CRYPTO_SKCIPHER2
>> 149 select CRYPTO_AKCIPHER2
>> 150 select CRYPTO_KPP2
>> 151 select CRYPTO_ACOMP2
161 152
162 config CRYPTO_USER 153 config CRYPTO_USER
163 tristate "Userspace cryptographic algo 154 tristate "Userspace cryptographic algorithm configuration"
164 depends on NET 155 depends on NET
165 select CRYPTO_MANAGER 156 select CRYPTO_MANAGER
166 help 157 help
167 Userspace configuration for cryptogr 158 Userspace configuration for cryptographic instantiations such as
168 cbc(aes). 159 cbc(aes).
169 160
170 config CRYPTO_MANAGER_DISABLE_TESTS 161 config CRYPTO_MANAGER_DISABLE_TESTS
171 bool "Disable run-time self tests" 162 bool "Disable run-time self tests"
172 default y 163 default y
173 help 164 help
174 Disable run-time self tests that nor 165 Disable run-time self tests that normally take place at
175 algorithm registration. 166 algorithm registration.
176 167
177 config CRYPTO_MANAGER_EXTRA_TESTS 168 config CRYPTO_MANAGER_EXTRA_TESTS
178 bool "Enable extra run-time crypto sel 169 bool "Enable extra run-time crypto self tests"
179 depends on DEBUG_KERNEL && !CRYPTO_MAN 170 depends on DEBUG_KERNEL && !CRYPTO_MANAGER_DISABLE_TESTS && CRYPTO_MANAGER
180 help 171 help
181 Enable extra run-time self tests of 172 Enable extra run-time self tests of registered crypto algorithms,
182 including randomized fuzz tests. 173 including randomized fuzz tests.
183 174
184 This is intended for developer use o 175 This is intended for developer use only, as these tests take much
185 longer to run than the normal self t 176 longer to run than the normal self tests.
186 177
187 config CRYPTO_NULL 178 config CRYPTO_NULL
188 tristate "Null algorithms" 179 tristate "Null algorithms"
189 select CRYPTO_NULL2 180 select CRYPTO_NULL2
190 help 181 help
191 These are 'Null' algorithms, used by 182 These are 'Null' algorithms, used by IPsec, which do nothing.
192 183
193 config CRYPTO_NULL2 184 config CRYPTO_NULL2
194 tristate 185 tristate
195 select CRYPTO_ALGAPI2 186 select CRYPTO_ALGAPI2
196 select CRYPTO_SKCIPHER2 187 select CRYPTO_SKCIPHER2
197 select CRYPTO_HASH2 188 select CRYPTO_HASH2
198 189
199 config CRYPTO_PCRYPT 190 config CRYPTO_PCRYPT
200 tristate "Parallel crypto engine" 191 tristate "Parallel crypto engine"
201 depends on SMP 192 depends on SMP
202 select PADATA 193 select PADATA
203 select CRYPTO_MANAGER 194 select CRYPTO_MANAGER
204 select CRYPTO_AEAD 195 select CRYPTO_AEAD
205 help 196 help
206 This converts an arbitrary crypto al 197 This converts an arbitrary crypto algorithm into a parallel
207 algorithm that executes in kernel th 198 algorithm that executes in kernel threads.
208 199
209 config CRYPTO_CRYPTD 200 config CRYPTO_CRYPTD
210 tristate "Software async crypto daemon 201 tristate "Software async crypto daemon"
211 select CRYPTO_SKCIPHER 202 select CRYPTO_SKCIPHER
212 select CRYPTO_HASH 203 select CRYPTO_HASH
213 select CRYPTO_MANAGER 204 select CRYPTO_MANAGER
214 help 205 help
215 This is a generic software asynchron 206 This is a generic software asynchronous crypto daemon that
216 converts an arbitrary synchronous so 207 converts an arbitrary synchronous software crypto algorithm
217 into an asynchronous algorithm that 208 into an asynchronous algorithm that executes in a kernel thread.
218 209
219 config CRYPTO_AUTHENC 210 config CRYPTO_AUTHENC
220 tristate "Authenc support" 211 tristate "Authenc support"
221 select CRYPTO_AEAD 212 select CRYPTO_AEAD
222 select CRYPTO_SKCIPHER 213 select CRYPTO_SKCIPHER
223 select CRYPTO_MANAGER 214 select CRYPTO_MANAGER
224 select CRYPTO_HASH 215 select CRYPTO_HASH
225 select CRYPTO_NULL 216 select CRYPTO_NULL
226 help 217 help
227 Authenc: Combined mode wrapper for I 218 Authenc: Combined mode wrapper for IPsec.
228 219
229 This is required for IPSec ESP (XFRM 220 This is required for IPSec ESP (XFRM_ESP).
230 221
231 config CRYPTO_TEST 222 config CRYPTO_TEST
232 tristate "Testing module" 223 tristate "Testing module"
233 depends on m || EXPERT 224 depends on m || EXPERT
234 select CRYPTO_MANAGER 225 select CRYPTO_MANAGER
235 help 226 help
236 Quick & dirty crypto test module. 227 Quick & dirty crypto test module.
237 228
238 config CRYPTO_SIMD 229 config CRYPTO_SIMD
239 tristate 230 tristate
240 select CRYPTO_CRYPTD 231 select CRYPTO_CRYPTD
241 232
242 config CRYPTO_ENGINE 233 config CRYPTO_ENGINE
243 tristate 234 tristate
244 235
245 endmenu 236 endmenu
246 237
247 menu "Public-key cryptography" 238 menu "Public-key cryptography"
248 239
249 config CRYPTO_RSA 240 config CRYPTO_RSA
250 tristate "RSA (Rivest-Shamir-Adleman)" 241 tristate "RSA (Rivest-Shamir-Adleman)"
251 select CRYPTO_AKCIPHER 242 select CRYPTO_AKCIPHER
252 select CRYPTO_MANAGER 243 select CRYPTO_MANAGER
253 select MPILIB 244 select MPILIB
254 select ASN1 245 select ASN1
255 help 246 help
256 RSA (Rivest-Shamir-Adleman) public k 247 RSA (Rivest-Shamir-Adleman) public key algorithm (RFC8017)
257 248
258 config CRYPTO_DH 249 config CRYPTO_DH
259 tristate "DH (Diffie-Hellman)" 250 tristate "DH (Diffie-Hellman)"
260 select CRYPTO_KPP 251 select CRYPTO_KPP
261 select MPILIB 252 select MPILIB
262 help 253 help
263 DH (Diffie-Hellman) key exchange alg 254 DH (Diffie-Hellman) key exchange algorithm
264 255
265 config CRYPTO_DH_RFC7919_GROUPS 256 config CRYPTO_DH_RFC7919_GROUPS
266 bool "RFC 7919 FFDHE groups" 257 bool "RFC 7919 FFDHE groups"
267 depends on CRYPTO_DH 258 depends on CRYPTO_DH
268 select CRYPTO_RNG_DEFAULT 259 select CRYPTO_RNG_DEFAULT
269 help 260 help
270 FFDHE (Finite-Field-based Diffie-Hel 261 FFDHE (Finite-Field-based Diffie-Hellman Ephemeral) groups
271 defined in RFC7919. 262 defined in RFC7919.
272 263
273 Support these finite-field groups in 264 Support these finite-field groups in DH key exchanges:
274 - ffdhe2048, ffdhe3072, ffdhe4096, f 265 - ffdhe2048, ffdhe3072, ffdhe4096, ffdhe6144, ffdhe8192
275 266
276 If unsure, say N. 267 If unsure, say N.
277 268
278 config CRYPTO_ECC 269 config CRYPTO_ECC
279 tristate 270 tristate
280 select CRYPTO_RNG_DEFAULT 271 select CRYPTO_RNG_DEFAULT
281 272
282 config CRYPTO_ECDH 273 config CRYPTO_ECDH
283 tristate "ECDH (Elliptic Curve Diffie- 274 tristate "ECDH (Elliptic Curve Diffie-Hellman)"
284 select CRYPTO_ECC 275 select CRYPTO_ECC
285 select CRYPTO_KPP 276 select CRYPTO_KPP
286 help 277 help
287 ECDH (Elliptic Curve Diffie-Hellman) 278 ECDH (Elliptic Curve Diffie-Hellman) key exchange algorithm
288 using curves P-192, P-256, and P-384 279 using curves P-192, P-256, and P-384 (FIPS 186)
289 280
290 config CRYPTO_ECDSA 281 config CRYPTO_ECDSA
291 tristate "ECDSA (Elliptic Curve Digita 282 tristate "ECDSA (Elliptic Curve Digital Signature Algorithm)"
292 select CRYPTO_ECC 283 select CRYPTO_ECC
293 select CRYPTO_AKCIPHER 284 select CRYPTO_AKCIPHER
294 select ASN1 285 select ASN1
295 help 286 help
296 ECDSA (Elliptic Curve Digital Signat 287 ECDSA (Elliptic Curve Digital Signature Algorithm) (FIPS 186,
297 ISO/IEC 14888-3) 288 ISO/IEC 14888-3)
298 using curves P-192, P-256, and P-384 289 using curves P-192, P-256, and P-384
299 290
300 Only signature verification is imple 291 Only signature verification is implemented.
301 292
302 config CRYPTO_ECRDSA 293 config CRYPTO_ECRDSA
303 tristate "EC-RDSA (Elliptic Curve Russ 294 tristate "EC-RDSA (Elliptic Curve Russian Digital Signature Algorithm)"
304 select CRYPTO_ECC 295 select CRYPTO_ECC
305 select CRYPTO_AKCIPHER 296 select CRYPTO_AKCIPHER
306 select CRYPTO_STREEBOG 297 select CRYPTO_STREEBOG
307 select OID_REGISTRY 298 select OID_REGISTRY
308 select ASN1 299 select ASN1
309 help 300 help
310 Elliptic Curve Russian Digital Signa 301 Elliptic Curve Russian Digital Signature Algorithm (GOST R 34.10-2012,
311 RFC 7091, ISO/IEC 14888-3) 302 RFC 7091, ISO/IEC 14888-3)
312 303
313 One of the Russian cryptographic sta 304 One of the Russian cryptographic standard algorithms (called GOST
314 algorithms). Only signature verifica 305 algorithms). Only signature verification is implemented.
315 306
>> 307 config CRYPTO_SM2
>> 308 tristate "SM2 (ShangMi 2)"
>> 309 select CRYPTO_SM3
>> 310 select CRYPTO_AKCIPHER
>> 311 select CRYPTO_MANAGER
>> 312 select MPILIB
>> 313 select ASN1
>> 314 help
>> 315 SM2 (ShangMi 2) public key algorithm
>> 316
>> 317 Published by State Encryption Management Bureau, China,
>> 318 as specified by OSCCA GM/T 0003.1-2012 -- 0003.5-2012.
>> 319
>> 320 References:
>> 321 https://datatracker.ietf.org/doc/draft-shen-sm2-ecdsa/
>> 322 http://www.oscca.gov.cn/sca/xxgk/2010-12/17/content_1002386.shtml
>> 323 http://www.gmbz.org.cn/main/bzlb.html
>> 324
316 config CRYPTO_CURVE25519 325 config CRYPTO_CURVE25519
317 tristate "Curve25519" 326 tristate "Curve25519"
318 select CRYPTO_KPP 327 select CRYPTO_KPP
319 select CRYPTO_LIB_CURVE25519_GENERIC 328 select CRYPTO_LIB_CURVE25519_GENERIC
320 help 329 help
321 Curve25519 elliptic curve (RFC7748) 330 Curve25519 elliptic curve (RFC7748)
322 331
323 endmenu 332 endmenu
324 333
325 menu "Block ciphers" 334 menu "Block ciphers"
326 335
327 config CRYPTO_AES 336 config CRYPTO_AES
328 tristate "AES (Advanced Encryption Sta 337 tristate "AES (Advanced Encryption Standard)"
329 select CRYPTO_ALGAPI 338 select CRYPTO_ALGAPI
330 select CRYPTO_LIB_AES 339 select CRYPTO_LIB_AES
331 help 340 help
332 AES cipher algorithms (Rijndael)(FIP 341 AES cipher algorithms (Rijndael)(FIPS-197, ISO/IEC 18033-3)
333 342
334 Rijndael appears to be consistently 343 Rijndael appears to be consistently a very good performer in
335 both hardware and software across a 344 both hardware and software across a wide range of computing
336 environments regardless of its use i 345 environments regardless of its use in feedback or non-feedback
337 modes. Its key setup time is excelle 346 modes. Its key setup time is excellent, and its key agility is
338 good. Rijndael's very low memory req 347 good. Rijndael's very low memory requirements make it very well
339 suited for restricted-space environm 348 suited for restricted-space environments, in which it also
340 demonstrates excellent performance. 349 demonstrates excellent performance. Rijndael's operations are
341 among the easiest to defend against 350 among the easiest to defend against power and timing attacks.
342 351
343 The AES specifies three key sizes: 1 352 The AES specifies three key sizes: 128, 192 and 256 bits
344 353
345 config CRYPTO_AES_TI 354 config CRYPTO_AES_TI
346 tristate "AES (Advanced Encryption Sta 355 tristate "AES (Advanced Encryption Standard) (fixed time)"
347 select CRYPTO_ALGAPI 356 select CRYPTO_ALGAPI
348 select CRYPTO_LIB_AES 357 select CRYPTO_LIB_AES
349 help 358 help
350 AES cipher algorithms (Rijndael)(FIP 359 AES cipher algorithms (Rijndael)(FIPS-197, ISO/IEC 18033-3)
351 360
352 This is a generic implementation of 361 This is a generic implementation of AES that attempts to eliminate
353 data dependent latencies as much as 362 data dependent latencies as much as possible without affecting
354 performance too much. It is intended 363 performance too much. It is intended for use by the generic CCM
355 and GCM drivers, and other CTR or CM 364 and GCM drivers, and other CTR or CMAC/XCBC based modes that rely
356 solely on encryption (although decry 365 solely on encryption (although decryption is supported as well, but
357 with a more dramatic performance hit 366 with a more dramatic performance hit)
358 367
359 Instead of using 16 lookup tables of 368 Instead of using 16 lookup tables of 1 KB each, (8 for encryption and
360 8 for decryption), this implementati 369 8 for decryption), this implementation only uses just two S-boxes of
361 256 bytes each, and attempts to elim 370 256 bytes each, and attempts to eliminate data dependent latencies by
362 prefetching the entire table into th 371 prefetching the entire table into the cache at the start of each
363 block. Interrupts are also disabled 372 block. Interrupts are also disabled to avoid races where cachelines
364 are evicted when the CPU is interrup 373 are evicted when the CPU is interrupted to do something else.
365 374
366 config CRYPTO_ANUBIS 375 config CRYPTO_ANUBIS
367 tristate "Anubis" 376 tristate "Anubis"
368 depends on CRYPTO_USER_API_ENABLE_OBSO 377 depends on CRYPTO_USER_API_ENABLE_OBSOLETE
369 select CRYPTO_ALGAPI 378 select CRYPTO_ALGAPI
370 help 379 help
371 Anubis cipher algorithm 380 Anubis cipher algorithm
372 381
373 Anubis is a variable key length ciph 382 Anubis is a variable key length cipher which can use keys from
374 128 bits to 320 bits in length. It 383 128 bits to 320 bits in length. It was evaluated as a entrant
375 in the NESSIE competition. 384 in the NESSIE competition.
376 385
377 See https://web.archive.org/web/2016 386 See https://web.archive.org/web/20160606112246/http://www.larc.usp.br/~pbarreto/AnubisPage.html
378 for further information. 387 for further information.
379 388
380 config CRYPTO_ARIA 389 config CRYPTO_ARIA
381 tristate "ARIA" 390 tristate "ARIA"
382 select CRYPTO_ALGAPI 391 select CRYPTO_ALGAPI
383 help 392 help
384 ARIA cipher algorithm (RFC5794) 393 ARIA cipher algorithm (RFC5794)
385 394
386 ARIA is a standard encryption algori 395 ARIA is a standard encryption algorithm of the Republic of Korea.
387 The ARIA specifies three key sizes a 396 The ARIA specifies three key sizes and rounds.
388 128-bit: 12 rounds. 397 128-bit: 12 rounds.
389 192-bit: 14 rounds. 398 192-bit: 14 rounds.
390 256-bit: 16 rounds. 399 256-bit: 16 rounds.
391 400
392 See: 401 See:
393 https://seed.kisa.or.kr/kisa/algorit 402 https://seed.kisa.or.kr/kisa/algorithm/EgovAriaInfo.do
394 403
395 config CRYPTO_BLOWFISH 404 config CRYPTO_BLOWFISH
396 tristate "Blowfish" 405 tristate "Blowfish"
397 select CRYPTO_ALGAPI 406 select CRYPTO_ALGAPI
398 select CRYPTO_BLOWFISH_COMMON 407 select CRYPTO_BLOWFISH_COMMON
399 help 408 help
400 Blowfish cipher algorithm, by Bruce 409 Blowfish cipher algorithm, by Bruce Schneier
401 410
402 This is a variable key length cipher 411 This is a variable key length cipher which can use keys from 32
403 bits to 448 bits in length. It's fa 412 bits to 448 bits in length. It's fast, simple and specifically
404 designed for use on "large microproc 413 designed for use on "large microprocessors".
405 414
406 See https://www.schneier.com/blowfis 415 See https://www.schneier.com/blowfish.html for further information.
407 416
408 config CRYPTO_BLOWFISH_COMMON 417 config CRYPTO_BLOWFISH_COMMON
409 tristate 418 tristate
410 help 419 help
411 Common parts of the Blowfish cipher 420 Common parts of the Blowfish cipher algorithm shared by the
412 generic c and the assembler implemen 421 generic c and the assembler implementations.
413 422
414 config CRYPTO_CAMELLIA 423 config CRYPTO_CAMELLIA
415 tristate "Camellia" 424 tristate "Camellia"
416 select CRYPTO_ALGAPI 425 select CRYPTO_ALGAPI
417 help 426 help
418 Camellia cipher algorithms (ISO/IEC 427 Camellia cipher algorithms (ISO/IEC 18033-3)
419 428
420 Camellia is a symmetric key block ci 429 Camellia is a symmetric key block cipher developed jointly
421 at NTT and Mitsubishi Electric Corpo 430 at NTT and Mitsubishi Electric Corporation.
422 431
423 The Camellia specifies three key siz 432 The Camellia specifies three key sizes: 128, 192 and 256 bits.
424 433
425 See https://info.isl.ntt.co.jp/crypt 434 See https://info.isl.ntt.co.jp/crypt/eng/camellia/ for further information.
426 435
427 config CRYPTO_CAST_COMMON 436 config CRYPTO_CAST_COMMON
428 tristate 437 tristate
429 help 438 help
430 Common parts of the CAST cipher algo 439 Common parts of the CAST cipher algorithms shared by the
431 generic c and the assembler implemen 440 generic c and the assembler implementations.
432 441
433 config CRYPTO_CAST5 442 config CRYPTO_CAST5
434 tristate "CAST5 (CAST-128)" 443 tristate "CAST5 (CAST-128)"
435 select CRYPTO_ALGAPI 444 select CRYPTO_ALGAPI
436 select CRYPTO_CAST_COMMON 445 select CRYPTO_CAST_COMMON
437 help 446 help
438 CAST5 (CAST-128) cipher algorithm (R 447 CAST5 (CAST-128) cipher algorithm (RFC2144, ISO/IEC 18033-3)
439 448
440 config CRYPTO_CAST6 449 config CRYPTO_CAST6
441 tristate "CAST6 (CAST-256)" 450 tristate "CAST6 (CAST-256)"
442 select CRYPTO_ALGAPI 451 select CRYPTO_ALGAPI
443 select CRYPTO_CAST_COMMON 452 select CRYPTO_CAST_COMMON
444 help 453 help
445 CAST6 (CAST-256) encryption algorith 454 CAST6 (CAST-256) encryption algorithm (RFC2612)
446 455
447 config CRYPTO_DES 456 config CRYPTO_DES
448 tristate "DES and Triple DES EDE" 457 tristate "DES and Triple DES EDE"
449 select CRYPTO_ALGAPI 458 select CRYPTO_ALGAPI
450 select CRYPTO_LIB_DES 459 select CRYPTO_LIB_DES
451 help 460 help
452 DES (Data Encryption Standard)(FIPS 461 DES (Data Encryption Standard)(FIPS 46-2, ISO/IEC 18033-3) and
453 Triple DES EDE (Encrypt/Decrypt/Encr 462 Triple DES EDE (Encrypt/Decrypt/Encrypt) (FIPS 46-3, ISO/IEC 18033-3)
454 cipher algorithms 463 cipher algorithms
455 464
456 config CRYPTO_FCRYPT 465 config CRYPTO_FCRYPT
457 tristate "FCrypt" 466 tristate "FCrypt"
458 select CRYPTO_ALGAPI 467 select CRYPTO_ALGAPI
459 select CRYPTO_SKCIPHER 468 select CRYPTO_SKCIPHER
460 help 469 help
461 FCrypt algorithm used by RxRPC 470 FCrypt algorithm used by RxRPC
462 471
463 See https://ota.polyonymo.us/fcrypt- 472 See https://ota.polyonymo.us/fcrypt-paper.txt
464 473
465 config CRYPTO_KHAZAD 474 config CRYPTO_KHAZAD
466 tristate "Khazad" 475 tristate "Khazad"
467 depends on CRYPTO_USER_API_ENABLE_OBSO 476 depends on CRYPTO_USER_API_ENABLE_OBSOLETE
468 select CRYPTO_ALGAPI 477 select CRYPTO_ALGAPI
469 help 478 help
470 Khazad cipher algorithm 479 Khazad cipher algorithm
471 480
472 Khazad was a finalist in the initial 481 Khazad was a finalist in the initial NESSIE competition. It is
473 an algorithm optimized for 64-bit pr 482 an algorithm optimized for 64-bit processors with good performance
474 on 32-bit processors. Khazad uses a 483 on 32-bit processors. Khazad uses an 128 bit key size.
475 484
476 See https://web.archive.org/web/2017 485 See https://web.archive.org/web/20171011071731/http://www.larc.usp.br/~pbarreto/KhazadPage.html
477 for further information. 486 for further information.
478 487
479 config CRYPTO_SEED 488 config CRYPTO_SEED
480 tristate "SEED" 489 tristate "SEED"
481 depends on CRYPTO_USER_API_ENABLE_OBSO 490 depends on CRYPTO_USER_API_ENABLE_OBSOLETE
482 select CRYPTO_ALGAPI 491 select CRYPTO_ALGAPI
483 help 492 help
484 SEED cipher algorithm (RFC4269, ISO/ 493 SEED cipher algorithm (RFC4269, ISO/IEC 18033-3)
485 494
486 SEED is a 128-bit symmetric key bloc 495 SEED is a 128-bit symmetric key block cipher that has been
487 developed by KISA (Korea Information 496 developed by KISA (Korea Information Security Agency) as a
488 national standard encryption algorit 497 national standard encryption algorithm of the Republic of Korea.
489 It is a 16 round block cipher with t 498 It is a 16 round block cipher with the key size of 128 bit.
490 499
491 See https://seed.kisa.or.kr/kisa/alg 500 See https://seed.kisa.or.kr/kisa/algorithm/EgovSeedInfo.do
492 for further information. 501 for further information.
493 502
494 config CRYPTO_SERPENT 503 config CRYPTO_SERPENT
495 tristate "Serpent" 504 tristate "Serpent"
496 select CRYPTO_ALGAPI 505 select CRYPTO_ALGAPI
497 help 506 help
498 Serpent cipher algorithm, by Anderso 507 Serpent cipher algorithm, by Anderson, Biham & Knudsen
499 508
500 Keys are allowed to be from 0 to 256 509 Keys are allowed to be from 0 to 256 bits in length, in steps
501 of 8 bits. 510 of 8 bits.
502 511
503 See https://www.cl.cam.ac.uk/~rja14/ 512 See https://www.cl.cam.ac.uk/~rja14/serpent.html for further information.
504 513
505 config CRYPTO_SM4 514 config CRYPTO_SM4
506 tristate 515 tristate
507 516
508 config CRYPTO_SM4_GENERIC 517 config CRYPTO_SM4_GENERIC
509 tristate "SM4 (ShangMi 4)" 518 tristate "SM4 (ShangMi 4)"
510 select CRYPTO_ALGAPI 519 select CRYPTO_ALGAPI
511 select CRYPTO_SM4 520 select CRYPTO_SM4
512 help 521 help
513 SM4 cipher algorithms (OSCCA GB/T 32 522 SM4 cipher algorithms (OSCCA GB/T 32907-2016,
514 ISO/IEC 18033-3:2010/Amd 1:2021) 523 ISO/IEC 18033-3:2010/Amd 1:2021)
515 524
516 SM4 (GBT.32907-2016) is a cryptograp 525 SM4 (GBT.32907-2016) is a cryptographic standard issued by the
517 Organization of State Commercial Adm 526 Organization of State Commercial Administration of China (OSCCA)
518 as an authorized cryptographic algor 527 as an authorized cryptographic algorithms for the use within China.
519 528
520 SMS4 was originally created for use 529 SMS4 was originally created for use in protecting wireless
521 networks, and is mandated in the Chi 530 networks, and is mandated in the Chinese National Standard for
522 Wireless LAN WAPI (Wired Authenticat 531 Wireless LAN WAPI (Wired Authentication and Privacy Infrastructure)
523 (GB.15629.11-2003). 532 (GB.15629.11-2003).
524 533
525 The latest SM4 standard (GBT.32907-2 534 The latest SM4 standard (GBT.32907-2016) was proposed by OSCCA and
526 standardized through TC 260 of the S 535 standardized through TC 260 of the Standardization Administration
527 of the People's Republic of China (S 536 of the People's Republic of China (SAC).
528 537
529 The input, output, and key of SMS4 a 538 The input, output, and key of SMS4 are each 128 bits.
530 539
531 See https://eprint.iacr.org/2008/329 540 See https://eprint.iacr.org/2008/329.pdf for further information.
532 541
533 If unsure, say N. 542 If unsure, say N.
534 543
535 config CRYPTO_TEA 544 config CRYPTO_TEA
536 tristate "TEA, XTEA and XETA" 545 tristate "TEA, XTEA and XETA"
537 depends on CRYPTO_USER_API_ENABLE_OBSO 546 depends on CRYPTO_USER_API_ENABLE_OBSOLETE
538 select CRYPTO_ALGAPI 547 select CRYPTO_ALGAPI
539 help 548 help
540 TEA (Tiny Encryption Algorithm) ciph 549 TEA (Tiny Encryption Algorithm) cipher algorithms
541 550
542 Tiny Encryption Algorithm is a simpl 551 Tiny Encryption Algorithm is a simple cipher that uses
543 many rounds for security. It is ver 552 many rounds for security. It is very fast and uses
544 little memory. 553 little memory.
545 554
546 Xtendend Tiny Encryption Algorithm i 555 Xtendend Tiny Encryption Algorithm is a modification to
547 the TEA algorithm to address a poten 556 the TEA algorithm to address a potential key weakness
548 in the TEA algorithm. 557 in the TEA algorithm.
549 558
550 Xtendend Encryption Tiny Algorithm i 559 Xtendend Encryption Tiny Algorithm is a mis-implementation
551 of the XTEA algorithm for compatibil 560 of the XTEA algorithm for compatibility purposes.
552 561
553 config CRYPTO_TWOFISH 562 config CRYPTO_TWOFISH
554 tristate "Twofish" 563 tristate "Twofish"
555 select CRYPTO_ALGAPI 564 select CRYPTO_ALGAPI
556 select CRYPTO_TWOFISH_COMMON 565 select CRYPTO_TWOFISH_COMMON
557 help 566 help
558 Twofish cipher algorithm 567 Twofish cipher algorithm
559 568
560 Twofish was submitted as an AES (Adv 569 Twofish was submitted as an AES (Advanced Encryption Standard)
561 candidate cipher by researchers at C 570 candidate cipher by researchers at CounterPane Systems. It is a
562 16 round block cipher supporting key 571 16 round block cipher supporting key sizes of 128, 192, and 256
563 bits. 572 bits.
564 573
565 See https://www.schneier.com/twofish 574 See https://www.schneier.com/twofish.html for further information.
566 575
567 config CRYPTO_TWOFISH_COMMON 576 config CRYPTO_TWOFISH_COMMON
568 tristate 577 tristate
569 help 578 help
570 Common parts of the Twofish cipher a 579 Common parts of the Twofish cipher algorithm shared by the
571 generic c and the assembler implemen 580 generic c and the assembler implementations.
572 581
573 endmenu 582 endmenu
574 583
575 menu "Length-preserving ciphers and modes" 584 menu "Length-preserving ciphers and modes"
576 585
577 config CRYPTO_ADIANTUM 586 config CRYPTO_ADIANTUM
578 tristate "Adiantum" 587 tristate "Adiantum"
579 select CRYPTO_CHACHA20 588 select CRYPTO_CHACHA20
580 select CRYPTO_LIB_POLY1305_GENERIC 589 select CRYPTO_LIB_POLY1305_GENERIC
581 select CRYPTO_NHPOLY1305 590 select CRYPTO_NHPOLY1305
582 select CRYPTO_MANAGER 591 select CRYPTO_MANAGER
583 help 592 help
584 Adiantum tweakable, length-preservin 593 Adiantum tweakable, length-preserving encryption mode
585 594
586 Designed for fast and secure disk en 595 Designed for fast and secure disk encryption, especially on
587 CPUs without dedicated crypto instru 596 CPUs without dedicated crypto instructions. It encrypts
588 each sector using the XChaCha12 stre 597 each sector using the XChaCha12 stream cipher, two passes of
589 an ε-almost-∆-universal hash func 598 an ε-almost-∆-universal hash function, and an invocation of
590 the AES-256 block cipher on a single 599 the AES-256 block cipher on a single 16-byte block. On CPUs
591 without AES instructions, Adiantum i 600 without AES instructions, Adiantum is much faster than
592 AES-XTS. 601 AES-XTS.
593 602
594 Adiantum's security is provably redu 603 Adiantum's security is provably reducible to that of its
595 underlying stream and block ciphers, 604 underlying stream and block ciphers, subject to a security
596 bound. Unlike XTS, Adiantum is a tr 605 bound. Unlike XTS, Adiantum is a true wide-block encryption
597 mode, so it actually provides an eve 606 mode, so it actually provides an even stronger notion of
598 security than XTS, subject to the se 607 security than XTS, subject to the security bound.
599 608
600 If unsure, say N. 609 If unsure, say N.
601 610
602 config CRYPTO_ARC4 611 config CRYPTO_ARC4
603 tristate "ARC4 (Alleged Rivest Cipher 612 tristate "ARC4 (Alleged Rivest Cipher 4)"
604 depends on CRYPTO_USER_API_ENABLE_OBSO 613 depends on CRYPTO_USER_API_ENABLE_OBSOLETE
605 select CRYPTO_SKCIPHER 614 select CRYPTO_SKCIPHER
606 select CRYPTO_LIB_ARC4 615 select CRYPTO_LIB_ARC4
607 help 616 help
608 ARC4 cipher algorithm 617 ARC4 cipher algorithm
609 618
610 ARC4 is a stream cipher using keys r 619 ARC4 is a stream cipher using keys ranging from 8 bits to 2048
611 bits in length. This algorithm is r 620 bits in length. This algorithm is required for driver-based
612 WEP, but it should not be for other 621 WEP, but it should not be for other purposes because of the
613 weakness of the algorithm. 622 weakness of the algorithm.
614 623
615 config CRYPTO_CHACHA20 624 config CRYPTO_CHACHA20
616 tristate "ChaCha" 625 tristate "ChaCha"
617 select CRYPTO_LIB_CHACHA_GENERIC 626 select CRYPTO_LIB_CHACHA_GENERIC
618 select CRYPTO_SKCIPHER 627 select CRYPTO_SKCIPHER
619 help 628 help
620 The ChaCha20, XChaCha20, and XChaCha 629 The ChaCha20, XChaCha20, and XChaCha12 stream cipher algorithms
621 630
622 ChaCha20 is a 256-bit high-speed str 631 ChaCha20 is a 256-bit high-speed stream cipher designed by Daniel J.
623 Bernstein and further specified in R 632 Bernstein and further specified in RFC7539 for use in IETF protocols.
624 This is the portable C implementatio 633 This is the portable C implementation of ChaCha20. See
625 https://cr.yp.to/chacha/chacha-20080 634 https://cr.yp.to/chacha/chacha-20080128.pdf for further information.
626 635
627 XChaCha20 is the application of the 636 XChaCha20 is the application of the XSalsa20 construction to ChaCha20
628 rather than to Salsa20. XChaCha20 e 637 rather than to Salsa20. XChaCha20 extends ChaCha20's nonce length
629 from 64 bits (or 96 bits using the R 638 from 64 bits (or 96 bits using the RFC7539 convention) to 192 bits,
630 while provably retaining ChaCha20's 639 while provably retaining ChaCha20's security. See
631 https://cr.yp.to/snuffle/xsalsa-2008 640 https://cr.yp.to/snuffle/xsalsa-20081128.pdf for further information.
632 641
633 XChaCha12 is XChaCha20 reduced to 12 642 XChaCha12 is XChaCha20 reduced to 12 rounds, with correspondingly
634 reduced security margin but increase 643 reduced security margin but increased performance. It can be needed
635 in some performance-sensitive scenar 644 in some performance-sensitive scenarios.
636 645
637 config CRYPTO_CBC 646 config CRYPTO_CBC
638 tristate "CBC (Cipher Block Chaining)" 647 tristate "CBC (Cipher Block Chaining)"
639 select CRYPTO_SKCIPHER 648 select CRYPTO_SKCIPHER
640 select CRYPTO_MANAGER 649 select CRYPTO_MANAGER
641 help 650 help
642 CBC (Cipher Block Chaining) mode (NI 651 CBC (Cipher Block Chaining) mode (NIST SP800-38A)
643 652
644 This block cipher mode is required f 653 This block cipher mode is required for IPSec ESP (XFRM_ESP).
645 654
>> 655 config CRYPTO_CFB
>> 656 tristate "CFB (Cipher Feedback)"
>> 657 select CRYPTO_SKCIPHER
>> 658 select CRYPTO_MANAGER
>> 659 help
>> 660 CFB (Cipher Feedback) mode (NIST SP800-38A)
>> 661
>> 662 This block cipher mode is required for TPM2 Cryptography.
>> 663
646 config CRYPTO_CTR 664 config CRYPTO_CTR
647 tristate "CTR (Counter)" 665 tristate "CTR (Counter)"
648 select CRYPTO_SKCIPHER 666 select CRYPTO_SKCIPHER
649 select CRYPTO_MANAGER 667 select CRYPTO_MANAGER
650 help 668 help
651 CTR (Counter) mode (NIST SP800-38A) 669 CTR (Counter) mode (NIST SP800-38A)
652 670
653 config CRYPTO_CTS 671 config CRYPTO_CTS
654 tristate "CTS (Cipher Text Stealing)" 672 tristate "CTS (Cipher Text Stealing)"
655 select CRYPTO_SKCIPHER 673 select CRYPTO_SKCIPHER
656 select CRYPTO_MANAGER 674 select CRYPTO_MANAGER
657 help 675 help
658 CBC-CS3 variant of CTS (Cipher Text 676 CBC-CS3 variant of CTS (Cipher Text Stealing) (NIST
659 Addendum to SP800-38A (October 2010) 677 Addendum to SP800-38A (October 2010))
660 678
661 This mode is required for Kerberos g 679 This mode is required for Kerberos gss mechanism support
662 for AES encryption. 680 for AES encryption.
663 681
664 config CRYPTO_ECB 682 config CRYPTO_ECB
665 tristate "ECB (Electronic Codebook)" 683 tristate "ECB (Electronic Codebook)"
666 select CRYPTO_SKCIPHER2 !! 684 select CRYPTO_SKCIPHER
667 select CRYPTO_MANAGER 685 select CRYPTO_MANAGER
668 help 686 help
669 ECB (Electronic Codebook) mode (NIST 687 ECB (Electronic Codebook) mode (NIST SP800-38A)
670 688
671 config CRYPTO_HCTR2 689 config CRYPTO_HCTR2
672 tristate "HCTR2" 690 tristate "HCTR2"
673 select CRYPTO_XCTR 691 select CRYPTO_XCTR
674 select CRYPTO_POLYVAL 692 select CRYPTO_POLYVAL
675 select CRYPTO_MANAGER 693 select CRYPTO_MANAGER
676 help 694 help
677 HCTR2 length-preserving encryption m 695 HCTR2 length-preserving encryption mode
678 696
679 A mode for storage encryption that i 697 A mode for storage encryption that is efficient on processors with
680 instructions to accelerate AES and c 698 instructions to accelerate AES and carryless multiplication, e.g.
681 x86 processors with AES-NI and CLMUL 699 x86 processors with AES-NI and CLMUL, and ARM processors with the
682 ARMv8 crypto extensions. 700 ARMv8 crypto extensions.
683 701
684 See https://eprint.iacr.org/2021/144 702 See https://eprint.iacr.org/2021/1441
685 703
686 config CRYPTO_KEYWRAP 704 config CRYPTO_KEYWRAP
687 tristate "KW (AES Key Wrap)" 705 tristate "KW (AES Key Wrap)"
688 select CRYPTO_SKCIPHER 706 select CRYPTO_SKCIPHER
689 select CRYPTO_MANAGER 707 select CRYPTO_MANAGER
690 help 708 help
691 KW (AES Key Wrap) authenticated encr 709 KW (AES Key Wrap) authenticated encryption mode (NIST SP800-38F
692 and RFC3394) without padding. 710 and RFC3394) without padding.
693 711
694 config CRYPTO_LRW 712 config CRYPTO_LRW
695 tristate "LRW (Liskov Rivest Wagner)" 713 tristate "LRW (Liskov Rivest Wagner)"
696 select CRYPTO_LIB_GF128MUL 714 select CRYPTO_LIB_GF128MUL
697 select CRYPTO_SKCIPHER 715 select CRYPTO_SKCIPHER
698 select CRYPTO_MANAGER 716 select CRYPTO_MANAGER
699 select CRYPTO_ECB 717 select CRYPTO_ECB
700 help 718 help
701 LRW (Liskov Rivest Wagner) mode 719 LRW (Liskov Rivest Wagner) mode
702 720
703 A tweakable, non malleable, non mova 721 A tweakable, non malleable, non movable
704 narrow block cipher mode for dm-cryp 722 narrow block cipher mode for dm-crypt. Use it with cipher
705 specification string aes-lrw-benbi, 723 specification string aes-lrw-benbi, the key must be 256, 320 or 384.
706 The first 128, 192 or 256 bits in th 724 The first 128, 192 or 256 bits in the key are used for AES and the
707 rest is used to tie each cipher bloc 725 rest is used to tie each cipher block to its logical position.
708 726
709 See https://people.csail.mit.edu/riv 727 See https://people.csail.mit.edu/rivest/pubs/LRW02.pdf
710 728
>> 729 config CRYPTO_OFB
>> 730 tristate "OFB (Output Feedback)"
>> 731 select CRYPTO_SKCIPHER
>> 732 select CRYPTO_MANAGER
>> 733 help
>> 734 OFB (Output Feedback) mode (NIST SP800-38A)
>> 735
>> 736 This mode makes a block cipher into a synchronous
>> 737 stream cipher. It generates keystream blocks, which are then XORed
>> 738 with the plaintext blocks to get the ciphertext. Flipping a bit in the
>> 739 ciphertext produces a flipped bit in the plaintext at the same
>> 740 location. This property allows many error correcting codes to function
>> 741 normally even when applied before encryption.
>> 742
711 config CRYPTO_PCBC 743 config CRYPTO_PCBC
712 tristate "PCBC (Propagating Cipher Blo 744 tristate "PCBC (Propagating Cipher Block Chaining)"
713 select CRYPTO_SKCIPHER 745 select CRYPTO_SKCIPHER
714 select CRYPTO_MANAGER 746 select CRYPTO_MANAGER
715 help 747 help
716 PCBC (Propagating Cipher Block Chain 748 PCBC (Propagating Cipher Block Chaining) mode
717 749
718 This block cipher mode is required f 750 This block cipher mode is required for RxRPC.
719 751
720 config CRYPTO_XCTR 752 config CRYPTO_XCTR
721 tristate 753 tristate
722 select CRYPTO_SKCIPHER 754 select CRYPTO_SKCIPHER
723 select CRYPTO_MANAGER 755 select CRYPTO_MANAGER
724 help 756 help
725 XCTR (XOR Counter) mode for HCTR2 757 XCTR (XOR Counter) mode for HCTR2
726 758
727 This blockcipher mode is a variant o 759 This blockcipher mode is a variant of CTR mode using XORs and little-endian
728 addition rather than big-endian arit 760 addition rather than big-endian arithmetic.
729 761
730 XCTR mode is used to implement HCTR2 762 XCTR mode is used to implement HCTR2.
731 763
732 config CRYPTO_XTS 764 config CRYPTO_XTS
733 tristate "XTS (XOR Encrypt XOR with ci 765 tristate "XTS (XOR Encrypt XOR with ciphertext stealing)"
734 select CRYPTO_SKCIPHER 766 select CRYPTO_SKCIPHER
735 select CRYPTO_MANAGER 767 select CRYPTO_MANAGER
736 select CRYPTO_ECB 768 select CRYPTO_ECB
737 help 769 help
738 XTS (XOR Encrypt XOR with ciphertext 770 XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E
739 and IEEE 1619) 771 and IEEE 1619)
740 772
741 Use with aes-xts-plain, key size 256 773 Use with aes-xts-plain, key size 256, 384 or 512 bits. This
742 implementation currently can't handl 774 implementation currently can't handle a sectorsize which is not a
743 multiple of 16 bytes. 775 multiple of 16 bytes.
744 776
745 config CRYPTO_NHPOLY1305 777 config CRYPTO_NHPOLY1305
746 tristate 778 tristate
747 select CRYPTO_HASH 779 select CRYPTO_HASH
748 select CRYPTO_LIB_POLY1305_GENERIC 780 select CRYPTO_LIB_POLY1305_GENERIC
749 781
750 endmenu 782 endmenu
751 783
752 menu "AEAD (authenticated encryption with asso 784 menu "AEAD (authenticated encryption with associated data) ciphers"
753 785
754 config CRYPTO_AEGIS128 786 config CRYPTO_AEGIS128
755 tristate "AEGIS-128" 787 tristate "AEGIS-128"
756 select CRYPTO_AEAD 788 select CRYPTO_AEAD
757 select CRYPTO_AES # for AES S-box tab 789 select CRYPTO_AES # for AES S-box tables
758 help 790 help
759 AEGIS-128 AEAD algorithm 791 AEGIS-128 AEAD algorithm
760 792
761 config CRYPTO_AEGIS128_SIMD 793 config CRYPTO_AEGIS128_SIMD
762 bool "AEGIS-128 (arm NEON, arm64 NEON) 794 bool "AEGIS-128 (arm NEON, arm64 NEON)"
763 depends on CRYPTO_AEGIS128 && ((ARM || 795 depends on CRYPTO_AEGIS128 && ((ARM || ARM64) && KERNEL_MODE_NEON)
764 default y 796 default y
765 help 797 help
766 AEGIS-128 AEAD algorithm 798 AEGIS-128 AEAD algorithm
767 799
768 Architecture: arm or arm64 using: 800 Architecture: arm or arm64 using:
769 - NEON (Advanced SIMD) extension 801 - NEON (Advanced SIMD) extension
770 802
771 config CRYPTO_CHACHA20POLY1305 803 config CRYPTO_CHACHA20POLY1305
772 tristate "ChaCha20-Poly1305" 804 tristate "ChaCha20-Poly1305"
773 select CRYPTO_CHACHA20 805 select CRYPTO_CHACHA20
774 select CRYPTO_POLY1305 806 select CRYPTO_POLY1305
775 select CRYPTO_AEAD 807 select CRYPTO_AEAD
776 select CRYPTO_MANAGER 808 select CRYPTO_MANAGER
777 help 809 help
778 ChaCha20 stream cipher and Poly1305 810 ChaCha20 stream cipher and Poly1305 authenticator combined
779 mode (RFC8439) 811 mode (RFC8439)
780 812
781 config CRYPTO_CCM 813 config CRYPTO_CCM
782 tristate "CCM (Counter with Cipher Blo 814 tristate "CCM (Counter with Cipher Block Chaining-MAC)"
783 select CRYPTO_CTR 815 select CRYPTO_CTR
784 select CRYPTO_HASH 816 select CRYPTO_HASH
785 select CRYPTO_AEAD 817 select CRYPTO_AEAD
786 select CRYPTO_MANAGER 818 select CRYPTO_MANAGER
787 help 819 help
788 CCM (Counter with Cipher Block Chain 820 CCM (Counter with Cipher Block Chaining-Message Authentication Code)
789 authenticated encryption mode (NIST 821 authenticated encryption mode (NIST SP800-38C)
790 822
791 config CRYPTO_GCM 823 config CRYPTO_GCM
792 tristate "GCM (Galois/Counter Mode) an 824 tristate "GCM (Galois/Counter Mode) and GMAC (GCM MAC)"
793 select CRYPTO_CTR 825 select CRYPTO_CTR
794 select CRYPTO_AEAD 826 select CRYPTO_AEAD
795 select CRYPTO_GHASH 827 select CRYPTO_GHASH
796 select CRYPTO_NULL 828 select CRYPTO_NULL
797 select CRYPTO_MANAGER 829 select CRYPTO_MANAGER
798 help 830 help
799 GCM (Galois/Counter Mode) authentica 831 GCM (Galois/Counter Mode) authenticated encryption mode and GMAC
800 (GCM Message Authentication Code) (N 832 (GCM Message Authentication Code) (NIST SP800-38D)
801 833
802 This is required for IPSec ESP (XFRM 834 This is required for IPSec ESP (XFRM_ESP).
803 835
804 config CRYPTO_GENIV !! 836 config CRYPTO_SEQIV
805 tristate !! 837 tristate "Sequence Number IV Generator"
806 select CRYPTO_AEAD 838 select CRYPTO_AEAD
>> 839 select CRYPTO_SKCIPHER
807 select CRYPTO_NULL 840 select CRYPTO_NULL
808 select CRYPTO_MANAGER <<
809 select CRYPTO_RNG_DEFAULT 841 select CRYPTO_RNG_DEFAULT
810 !! 842 select CRYPTO_MANAGER
811 config CRYPTO_SEQIV <<
812 tristate "Sequence Number IV Generator <<
813 select CRYPTO_GENIV <<
814 help 843 help
815 Sequence Number IV generator 844 Sequence Number IV generator
816 845
817 This IV generator generates an IV ba 846 This IV generator generates an IV based on a sequence number by
818 xoring it with a salt. This algorit 847 xoring it with a salt. This algorithm is mainly useful for CTR.
819 848
820 This is required for IPsec ESP (XFRM 849 This is required for IPsec ESP (XFRM_ESP).
821 850
822 config CRYPTO_ECHAINIV 851 config CRYPTO_ECHAINIV
823 tristate "Encrypted Chain IV Generator 852 tristate "Encrypted Chain IV Generator"
824 select CRYPTO_GENIV !! 853 select CRYPTO_AEAD
>> 854 select CRYPTO_NULL
>> 855 select CRYPTO_RNG_DEFAULT
>> 856 select CRYPTO_MANAGER
825 help 857 help
826 Encrypted Chain IV generator 858 Encrypted Chain IV generator
827 859
828 This IV generator generates an IV ba 860 This IV generator generates an IV based on the encryption of
829 a sequence number xored with a salt. 861 a sequence number xored with a salt. This is the default
830 algorithm for CBC. 862 algorithm for CBC.
831 863
832 config CRYPTO_ESSIV 864 config CRYPTO_ESSIV
833 tristate "Encrypted Salt-Sector IV Gen 865 tristate "Encrypted Salt-Sector IV Generator"
834 select CRYPTO_AUTHENC 866 select CRYPTO_AUTHENC
835 help 867 help
836 Encrypted Salt-Sector IV generator 868 Encrypted Salt-Sector IV generator
837 869
838 This IV generator is used in some ca 870 This IV generator is used in some cases by fscrypt and/or
839 dm-crypt. It uses the hash of the bl 871 dm-crypt. It uses the hash of the block encryption key as the
840 symmetric key for a block encryption 872 symmetric key for a block encryption pass applied to the input
841 IV, making low entropy IV sources mo 873 IV, making low entropy IV sources more suitable for block
842 encryption. 874 encryption.
843 875
844 This driver implements a crypto API 876 This driver implements a crypto API template that can be
845 instantiated either as an skcipher o 877 instantiated either as an skcipher or as an AEAD (depending on the
846 type of the first template argument) 878 type of the first template argument), and which defers encryption
847 and decryption requests to the encap 879 and decryption requests to the encapsulated cipher after applying
848 ESSIV to the input IV. Note that in 880 ESSIV to the input IV. Note that in the AEAD case, it is assumed
849 that the keys are presented in the s 881 that the keys are presented in the same format used by the authenc
850 template, and that the IV appears at 882 template, and that the IV appears at the end of the authenticated
851 associated data (AAD) region (which 883 associated data (AAD) region (which is how dm-crypt uses it.)
852 884
853 Note that the use of ESSIV is not re 885 Note that the use of ESSIV is not recommended for new deployments,
854 and so this only needs to be enabled 886 and so this only needs to be enabled when interoperability with
855 existing encrypted volumes of filesy 887 existing encrypted volumes of filesystems is required, or when
856 building for a particular system tha 888 building for a particular system that requires it (e.g., when
857 the SoC in question has accelerated 889 the SoC in question has accelerated CBC but not XTS, making CBC
858 combined with ESSIV the only feasibl 890 combined with ESSIV the only feasible mode for h/w accelerated
859 block encryption) 891 block encryption)
860 892
861 endmenu 893 endmenu
862 894
863 menu "Hashes, digests, and MACs" 895 menu "Hashes, digests, and MACs"
864 896
865 config CRYPTO_BLAKE2B 897 config CRYPTO_BLAKE2B
866 tristate "BLAKE2b" 898 tristate "BLAKE2b"
867 select CRYPTO_HASH 899 select CRYPTO_HASH
868 help 900 help
869 BLAKE2b cryptographic hash function 901 BLAKE2b cryptographic hash function (RFC 7693)
870 902
871 BLAKE2b is optimized for 64-bit plat 903 BLAKE2b is optimized for 64-bit platforms and can produce digests
872 of any size between 1 and 64 bytes. 904 of any size between 1 and 64 bytes. The keyed hash is also implemented.
873 905
874 This module provides the following a 906 This module provides the following algorithms:
875 - blake2b-160 907 - blake2b-160
876 - blake2b-256 908 - blake2b-256
877 - blake2b-384 909 - blake2b-384
878 - blake2b-512 910 - blake2b-512
879 911
880 Used by the btrfs filesystem. 912 Used by the btrfs filesystem.
881 913
882 See https://blake2.net for further i 914 See https://blake2.net for further information.
883 915
884 config CRYPTO_CMAC 916 config CRYPTO_CMAC
885 tristate "CMAC (Cipher-based MAC)" 917 tristate "CMAC (Cipher-based MAC)"
886 select CRYPTO_HASH 918 select CRYPTO_HASH
887 select CRYPTO_MANAGER 919 select CRYPTO_MANAGER
888 help 920 help
889 CMAC (Cipher-based Message Authentic 921 CMAC (Cipher-based Message Authentication Code) authentication
890 mode (NIST SP800-38B and IETF RFC449 922 mode (NIST SP800-38B and IETF RFC4493)
891 923
892 config CRYPTO_GHASH 924 config CRYPTO_GHASH
893 tristate "GHASH" 925 tristate "GHASH"
894 select CRYPTO_HASH 926 select CRYPTO_HASH
895 select CRYPTO_LIB_GF128MUL 927 select CRYPTO_LIB_GF128MUL
896 help 928 help
897 GCM GHASH function (NIST SP800-38D) 929 GCM GHASH function (NIST SP800-38D)
898 930
899 config CRYPTO_HMAC 931 config CRYPTO_HMAC
900 tristate "HMAC (Keyed-Hash MAC)" 932 tristate "HMAC (Keyed-Hash MAC)"
901 select CRYPTO_HASH 933 select CRYPTO_HASH
902 select CRYPTO_MANAGER 934 select CRYPTO_MANAGER
903 help 935 help
904 HMAC (Keyed-Hash Message Authenticat 936 HMAC (Keyed-Hash Message Authentication Code) (FIPS 198 and
905 RFC2104) 937 RFC2104)
906 938
907 This is required for IPsec AH (XFRM_ 939 This is required for IPsec AH (XFRM_AH) and IPsec ESP (XFRM_ESP).
908 940
909 config CRYPTO_MD4 941 config CRYPTO_MD4
910 tristate "MD4" 942 tristate "MD4"
911 select CRYPTO_HASH 943 select CRYPTO_HASH
912 help 944 help
913 MD4 message digest algorithm (RFC132 945 MD4 message digest algorithm (RFC1320)
914 946
915 config CRYPTO_MD5 947 config CRYPTO_MD5
916 tristate "MD5" 948 tristate "MD5"
917 select CRYPTO_HASH 949 select CRYPTO_HASH
918 help 950 help
919 MD5 message digest algorithm (RFC132 951 MD5 message digest algorithm (RFC1321)
920 952
921 config CRYPTO_MICHAEL_MIC 953 config CRYPTO_MICHAEL_MIC
922 tristate "Michael MIC" 954 tristate "Michael MIC"
923 select CRYPTO_HASH 955 select CRYPTO_HASH
924 help 956 help
925 Michael MIC (Message Integrity Code) 957 Michael MIC (Message Integrity Code) (IEEE 802.11i)
926 958
927 Defined by the IEEE 802.11i TKIP (Te 959 Defined by the IEEE 802.11i TKIP (Temporal Key Integrity Protocol),
928 known as WPA (Wif-Fi Protected Acces 960 known as WPA (Wif-Fi Protected Access).
929 961
930 This algorithm is required for TKIP, 962 This algorithm is required for TKIP, but it should not be used for
931 other purposes because of the weakne 963 other purposes because of the weakness of the algorithm.
932 964
933 config CRYPTO_POLYVAL 965 config CRYPTO_POLYVAL
934 tristate 966 tristate
935 select CRYPTO_HASH 967 select CRYPTO_HASH
936 select CRYPTO_LIB_GF128MUL 968 select CRYPTO_LIB_GF128MUL
937 help 969 help
938 POLYVAL hash function for HCTR2 970 POLYVAL hash function for HCTR2
939 971
940 This is used in HCTR2. It is not a 972 This is used in HCTR2. It is not a general-purpose
941 cryptographic hash function. 973 cryptographic hash function.
942 974
943 config CRYPTO_POLY1305 975 config CRYPTO_POLY1305
944 tristate "Poly1305" 976 tristate "Poly1305"
945 select CRYPTO_HASH 977 select CRYPTO_HASH
946 select CRYPTO_LIB_POLY1305_GENERIC 978 select CRYPTO_LIB_POLY1305_GENERIC
947 help 979 help
948 Poly1305 authenticator algorithm (RF 980 Poly1305 authenticator algorithm (RFC7539)
949 981
950 Poly1305 is an authenticator algorit 982 Poly1305 is an authenticator algorithm designed by Daniel J. Bernstein.
951 It is used for the ChaCha20-Poly1305 983 It is used for the ChaCha20-Poly1305 AEAD, specified in RFC7539 for use
952 in IETF protocols. This is the porta 984 in IETF protocols. This is the portable C implementation of Poly1305.
953 985
954 config CRYPTO_RMD160 986 config CRYPTO_RMD160
955 tristate "RIPEMD-160" 987 tristate "RIPEMD-160"
956 select CRYPTO_HASH 988 select CRYPTO_HASH
957 help 989 help
958 RIPEMD-160 hash function (ISO/IEC 10 990 RIPEMD-160 hash function (ISO/IEC 10118-3)
959 991
960 RIPEMD-160 is a 160-bit cryptographi 992 RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
961 to be used as a secure replacement f 993 to be used as a secure replacement for the 128-bit hash functions
962 MD4, MD5 and its predecessor RIPEMD 994 MD4, MD5 and its predecessor RIPEMD
963 (not to be confused with RIPEMD-128) 995 (not to be confused with RIPEMD-128).
964 996
965 Its speed is comparable to SHA-1 and 997 Its speed is comparable to SHA-1 and there are no known attacks
966 against RIPEMD-160. 998 against RIPEMD-160.
967 999
968 Developed by Hans Dobbertin, Antoon 1000 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
969 See https://homes.esat.kuleuven.be/~ 1001 See https://homes.esat.kuleuven.be/~bosselae/ripemd160.html
970 for further information. 1002 for further information.
971 1003
972 config CRYPTO_SHA1 1004 config CRYPTO_SHA1
973 tristate "SHA-1" 1005 tristate "SHA-1"
974 select CRYPTO_HASH 1006 select CRYPTO_HASH
975 select CRYPTO_LIB_SHA1 1007 select CRYPTO_LIB_SHA1
976 help 1008 help
977 SHA-1 secure hash algorithm (FIPS 18 1009 SHA-1 secure hash algorithm (FIPS 180, ISO/IEC 10118-3)
978 1010
979 config CRYPTO_SHA256 1011 config CRYPTO_SHA256
980 tristate "SHA-224 and SHA-256" 1012 tristate "SHA-224 and SHA-256"
981 select CRYPTO_HASH 1013 select CRYPTO_HASH
982 select CRYPTO_LIB_SHA256 1014 select CRYPTO_LIB_SHA256
983 help 1015 help
984 SHA-224 and SHA-256 secure hash algo 1016 SHA-224 and SHA-256 secure hash algorithms (FIPS 180, ISO/IEC 10118-3)
985 1017
986 This is required for IPsec AH (XFRM_ 1018 This is required for IPsec AH (XFRM_AH) and IPsec ESP (XFRM_ESP).
987 Used by the btrfs filesystem, Ceph, 1019 Used by the btrfs filesystem, Ceph, NFS, and SMB.
988 1020
989 config CRYPTO_SHA512 1021 config CRYPTO_SHA512
990 tristate "SHA-384 and SHA-512" 1022 tristate "SHA-384 and SHA-512"
991 select CRYPTO_HASH 1023 select CRYPTO_HASH
992 help 1024 help
993 SHA-384 and SHA-512 secure hash algo 1025 SHA-384 and SHA-512 secure hash algorithms (FIPS 180, ISO/IEC 10118-3)
994 1026
995 config CRYPTO_SHA3 1027 config CRYPTO_SHA3
996 tristate "SHA-3" 1028 tristate "SHA-3"
997 select CRYPTO_HASH 1029 select CRYPTO_HASH
998 help 1030 help
999 SHA-3 secure hash algorithms (FIPS 2 1031 SHA-3 secure hash algorithms (FIPS 202, ISO/IEC 10118-3)
1000 1032
1001 config CRYPTO_SM3 1033 config CRYPTO_SM3
1002 tristate 1034 tristate
1003 1035
1004 config CRYPTO_SM3_GENERIC 1036 config CRYPTO_SM3_GENERIC
1005 tristate "SM3 (ShangMi 3)" 1037 tristate "SM3 (ShangMi 3)"
1006 select CRYPTO_HASH 1038 select CRYPTO_HASH
1007 select CRYPTO_SM3 1039 select CRYPTO_SM3
1008 help 1040 help
1009 SM3 (ShangMi 3) secure hash functio 1041 SM3 (ShangMi 3) secure hash function (OSCCA GM/T 0004-2012, ISO/IEC 10118-3)
1010 1042
1011 This is part of the Chinese Commerc 1043 This is part of the Chinese Commercial Cryptography suite.
1012 1044
1013 References: 1045 References:
1014 http://www.oscca.gov.cn/UpFile/2010 1046 http://www.oscca.gov.cn/UpFile/20101222141857786.pdf
1015 https://datatracker.ietf.org/doc/ht 1047 https://datatracker.ietf.org/doc/html/draft-shen-sm3-hash
1016 1048
1017 config CRYPTO_STREEBOG 1049 config CRYPTO_STREEBOG
1018 tristate "Streebog" 1050 tristate "Streebog"
1019 select CRYPTO_HASH 1051 select CRYPTO_HASH
1020 help 1052 help
1021 Streebog Hash Function (GOST R 34.1 1053 Streebog Hash Function (GOST R 34.11-2012, RFC 6986, ISO/IEC 10118-3)
1022 1054
1023 This is one of the Russian cryptogr 1055 This is one of the Russian cryptographic standard algorithms (called
1024 GOST algorithms). This setting enab 1056 GOST algorithms). This setting enables two hash algorithms with
1025 256 and 512 bits output. 1057 256 and 512 bits output.
1026 1058
1027 References: 1059 References:
1028 https://tc26.ru/upload/iblock/fed/f 1060 https://tc26.ru/upload/iblock/fed/feddbb4d26b685903faa2ba11aea43f6.pdf
1029 https://tools.ietf.org/html/rfc6986 1061 https://tools.ietf.org/html/rfc6986
1030 1062
1031 config CRYPTO_VMAC 1063 config CRYPTO_VMAC
1032 tristate "VMAC" 1064 tristate "VMAC"
1033 select CRYPTO_HASH 1065 select CRYPTO_HASH
1034 select CRYPTO_MANAGER 1066 select CRYPTO_MANAGER
1035 help 1067 help
1036 VMAC is a message authentication al 1068 VMAC is a message authentication algorithm designed for
1037 very high speed on 64-bit architect 1069 very high speed on 64-bit architectures.
1038 1070
1039 See https://fastcrypto.org/vmac for 1071 See https://fastcrypto.org/vmac for further information.
1040 1072
1041 config CRYPTO_WP512 1073 config CRYPTO_WP512
1042 tristate "Whirlpool" 1074 tristate "Whirlpool"
1043 select CRYPTO_HASH 1075 select CRYPTO_HASH
1044 help 1076 help
1045 Whirlpool hash function (ISO/IEC 10 1077 Whirlpool hash function (ISO/IEC 10118-3)
1046 1078
1047 512, 384 and 256-bit hashes. 1079 512, 384 and 256-bit hashes.
1048 1080
1049 Whirlpool-512 is part of the NESSIE 1081 Whirlpool-512 is part of the NESSIE cryptographic primitives.
1050 1082
1051 See https://web.archive.org/web/201 1083 See https://web.archive.org/web/20171129084214/http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html
1052 for further information. 1084 for further information.
1053 1085
1054 config CRYPTO_XCBC 1086 config CRYPTO_XCBC
1055 tristate "XCBC-MAC (Extended Cipher B 1087 tristate "XCBC-MAC (Extended Cipher Block Chaining MAC)"
1056 select CRYPTO_HASH 1088 select CRYPTO_HASH
1057 select CRYPTO_MANAGER 1089 select CRYPTO_MANAGER
1058 help 1090 help
1059 XCBC-MAC (Extended Cipher Block Cha 1091 XCBC-MAC (Extended Cipher Block Chaining Message Authentication
1060 Code) (RFC3566) 1092 Code) (RFC3566)
1061 1093
1062 config CRYPTO_XXHASH 1094 config CRYPTO_XXHASH
1063 tristate "xxHash" 1095 tristate "xxHash"
1064 select CRYPTO_HASH 1096 select CRYPTO_HASH
1065 select XXHASH 1097 select XXHASH
1066 help 1098 help
1067 xxHash non-cryptographic hash algor 1099 xxHash non-cryptographic hash algorithm
1068 1100
1069 Extremely fast, working at speeds c 1101 Extremely fast, working at speeds close to RAM limits.
1070 1102
1071 Used by the btrfs filesystem. 1103 Used by the btrfs filesystem.
1072 1104
1073 endmenu 1105 endmenu
1074 1106
1075 menu "CRCs (cyclic redundancy checks)" 1107 menu "CRCs (cyclic redundancy checks)"
1076 1108
1077 config CRYPTO_CRC32C 1109 config CRYPTO_CRC32C
1078 tristate "CRC32c" 1110 tristate "CRC32c"
1079 select CRYPTO_HASH 1111 select CRYPTO_HASH
1080 select CRC32 1112 select CRC32
1081 help 1113 help
1082 CRC32c CRC algorithm with the iSCSI 1114 CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720)
1083 1115
1084 A 32-bit CRC (cyclic redundancy che 1116 A 32-bit CRC (cyclic redundancy check) with a polynomial defined
1085 by G. Castagnoli, S. Braeuer and M. 1117 by G. Castagnoli, S. Braeuer and M. Herrman in "Optimization of Cyclic
1086 Redundancy-Check Codes with 24 and 1118 Redundancy-Check Codes with 24 and 32 Parity Bits", IEEE Transactions
1087 on Communications, Vol. 41, No. 6, 1119 on Communications, Vol. 41, No. 6, June 1993, selected for use with
1088 iSCSI. 1120 iSCSI.
1089 1121
1090 Used by btrfs, ext4, jbd2, NVMeoF/T 1122 Used by btrfs, ext4, jbd2, NVMeoF/TCP, and iSCSI.
1091 1123
1092 config CRYPTO_CRC32 1124 config CRYPTO_CRC32
1093 tristate "CRC32" 1125 tristate "CRC32"
1094 select CRYPTO_HASH 1126 select CRYPTO_HASH
1095 select CRC32 1127 select CRC32
1096 help 1128 help
1097 CRC32 CRC algorithm (IEEE 802.3) 1129 CRC32 CRC algorithm (IEEE 802.3)
1098 1130
1099 Used by RoCEv2 and f2fs. 1131 Used by RoCEv2 and f2fs.
1100 1132
1101 config CRYPTO_CRCT10DIF 1133 config CRYPTO_CRCT10DIF
1102 tristate "CRCT10DIF" 1134 tristate "CRCT10DIF"
1103 select CRYPTO_HASH 1135 select CRYPTO_HASH
1104 help 1136 help
1105 CRC16 CRC algorithm used for the T1 1137 CRC16 CRC algorithm used for the T10 (SCSI) Data Integrity Field (DIF)
1106 1138
1107 CRC algorithm used by the SCSI Bloc 1139 CRC algorithm used by the SCSI Block Commands standard.
1108 1140
1109 config CRYPTO_CRC64_ROCKSOFT 1141 config CRYPTO_CRC64_ROCKSOFT
1110 tristate "CRC64 based on Rocksoft Mod 1142 tristate "CRC64 based on Rocksoft Model algorithm"
1111 depends on CRC64 1143 depends on CRC64
1112 select CRYPTO_HASH 1144 select CRYPTO_HASH
1113 help 1145 help
1114 CRC64 CRC algorithm based on the Ro 1146 CRC64 CRC algorithm based on the Rocksoft Model CRC Algorithm
1115 1147
1116 Used by the NVMe implementation of 1148 Used by the NVMe implementation of T10 DIF (BLK_DEV_INTEGRITY)
1117 1149
1118 See https://zlib.net/crc_v3.txt 1150 See https://zlib.net/crc_v3.txt
1119 1151
1120 endmenu 1152 endmenu
1121 1153
1122 menu "Compression" 1154 menu "Compression"
1123 1155
1124 config CRYPTO_DEFLATE 1156 config CRYPTO_DEFLATE
1125 tristate "Deflate" 1157 tristate "Deflate"
1126 select CRYPTO_ALGAPI 1158 select CRYPTO_ALGAPI
1127 select CRYPTO_ACOMP2 1159 select CRYPTO_ACOMP2
1128 select ZLIB_INFLATE 1160 select ZLIB_INFLATE
1129 select ZLIB_DEFLATE 1161 select ZLIB_DEFLATE
1130 help 1162 help
1131 Deflate compression algorithm (RFC1 1163 Deflate compression algorithm (RFC1951)
1132 1164
1133 Used by IPSec with the IPCOMP proto 1165 Used by IPSec with the IPCOMP protocol (RFC3173, RFC2394)
1134 1166
1135 config CRYPTO_LZO 1167 config CRYPTO_LZO
1136 tristate "LZO" 1168 tristate "LZO"
1137 select CRYPTO_ALGAPI 1169 select CRYPTO_ALGAPI
1138 select CRYPTO_ACOMP2 1170 select CRYPTO_ACOMP2
1139 select LZO_COMPRESS 1171 select LZO_COMPRESS
1140 select LZO_DECOMPRESS 1172 select LZO_DECOMPRESS
1141 help 1173 help
1142 LZO compression algorithm 1174 LZO compression algorithm
1143 1175
1144 See https://www.oberhumer.com/opens 1176 See https://www.oberhumer.com/opensource/lzo/ for further information.
1145 1177
1146 config CRYPTO_842 1178 config CRYPTO_842
1147 tristate "842" 1179 tristate "842"
1148 select CRYPTO_ALGAPI 1180 select CRYPTO_ALGAPI
1149 select CRYPTO_ACOMP2 1181 select CRYPTO_ACOMP2
1150 select 842_COMPRESS 1182 select 842_COMPRESS
1151 select 842_DECOMPRESS 1183 select 842_DECOMPRESS
1152 help 1184 help
1153 842 compression algorithm by IBM 1185 842 compression algorithm by IBM
1154 1186
1155 See https://github.com/plauth/lib84 1187 See https://github.com/plauth/lib842 for further information.
1156 1188
1157 config CRYPTO_LZ4 1189 config CRYPTO_LZ4
1158 tristate "LZ4" 1190 tristate "LZ4"
1159 select CRYPTO_ALGAPI 1191 select CRYPTO_ALGAPI
1160 select CRYPTO_ACOMP2 1192 select CRYPTO_ACOMP2
1161 select LZ4_COMPRESS 1193 select LZ4_COMPRESS
1162 select LZ4_DECOMPRESS 1194 select LZ4_DECOMPRESS
1163 help 1195 help
1164 LZ4 compression algorithm 1196 LZ4 compression algorithm
1165 1197
1166 See https://github.com/lz4/lz4 for 1198 See https://github.com/lz4/lz4 for further information.
1167 1199
1168 config CRYPTO_LZ4HC 1200 config CRYPTO_LZ4HC
1169 tristate "LZ4HC" 1201 tristate "LZ4HC"
1170 select CRYPTO_ALGAPI 1202 select CRYPTO_ALGAPI
1171 select CRYPTO_ACOMP2 1203 select CRYPTO_ACOMP2
1172 select LZ4HC_COMPRESS 1204 select LZ4HC_COMPRESS
1173 select LZ4_DECOMPRESS 1205 select LZ4_DECOMPRESS
1174 help 1206 help
1175 LZ4 high compression mode algorithm 1207 LZ4 high compression mode algorithm
1176 1208
1177 See https://github.com/lz4/lz4 for 1209 See https://github.com/lz4/lz4 for further information.
1178 1210
1179 config CRYPTO_ZSTD 1211 config CRYPTO_ZSTD
1180 tristate "Zstd" 1212 tristate "Zstd"
1181 select CRYPTO_ALGAPI 1213 select CRYPTO_ALGAPI
1182 select CRYPTO_ACOMP2 1214 select CRYPTO_ACOMP2
1183 select ZSTD_COMPRESS 1215 select ZSTD_COMPRESS
1184 select ZSTD_DECOMPRESS 1216 select ZSTD_DECOMPRESS
1185 help 1217 help
1186 zstd compression algorithm 1218 zstd compression algorithm
1187 1219
1188 See https://github.com/facebook/zst 1220 See https://github.com/facebook/zstd for further information.
1189 1221
1190 endmenu 1222 endmenu
1191 1223
1192 menu "Random number generation" 1224 menu "Random number generation"
1193 1225
1194 config CRYPTO_ANSI_CPRNG 1226 config CRYPTO_ANSI_CPRNG
1195 tristate "ANSI PRNG (Pseudo Random Nu 1227 tristate "ANSI PRNG (Pseudo Random Number Generator)"
1196 select CRYPTO_AES 1228 select CRYPTO_AES
1197 select CRYPTO_RNG 1229 select CRYPTO_RNG
1198 help 1230 help
1199 Pseudo RNG (random number generator 1231 Pseudo RNG (random number generator) (ANSI X9.31 Appendix A.2.4)
1200 1232
1201 This uses the AES cipher algorithm. 1233 This uses the AES cipher algorithm.
1202 1234
1203 Note that this option must be enabl 1235 Note that this option must be enabled if CRYPTO_FIPS is selected
1204 1236
1205 menuconfig CRYPTO_DRBG_MENU 1237 menuconfig CRYPTO_DRBG_MENU
1206 tristate "NIST SP800-90A DRBG (Determ 1238 tristate "NIST SP800-90A DRBG (Deterministic Random Bit Generator)"
1207 help 1239 help
1208 DRBG (Deterministic Random Bit Gene 1240 DRBG (Deterministic Random Bit Generator) (NIST SP800-90A)
1209 1241
1210 In the following submenu, one or mo 1242 In the following submenu, one or more of the DRBG types must be selected.
1211 1243
1212 if CRYPTO_DRBG_MENU 1244 if CRYPTO_DRBG_MENU
1213 1245
1214 config CRYPTO_DRBG_HMAC 1246 config CRYPTO_DRBG_HMAC
1215 bool 1247 bool
1216 default y 1248 default y
1217 select CRYPTO_HMAC 1249 select CRYPTO_HMAC
1218 select CRYPTO_SHA512 1250 select CRYPTO_SHA512
1219 1251
1220 config CRYPTO_DRBG_HASH 1252 config CRYPTO_DRBG_HASH
1221 bool "Hash_DRBG" 1253 bool "Hash_DRBG"
1222 select CRYPTO_SHA256 1254 select CRYPTO_SHA256
1223 help 1255 help
1224 Hash_DRBG variant as defined in NIS 1256 Hash_DRBG variant as defined in NIST SP800-90A.
1225 1257
1226 This uses the SHA-1, SHA-256, SHA-3 1258 This uses the SHA-1, SHA-256, SHA-384, or SHA-512 hash algorithms.
1227 1259
1228 config CRYPTO_DRBG_CTR 1260 config CRYPTO_DRBG_CTR
1229 bool "CTR_DRBG" 1261 bool "CTR_DRBG"
1230 select CRYPTO_AES 1262 select CRYPTO_AES
1231 select CRYPTO_CTR 1263 select CRYPTO_CTR
1232 help 1264 help
1233 CTR_DRBG variant as defined in NIST 1265 CTR_DRBG variant as defined in NIST SP800-90A.
1234 1266
1235 This uses the AES cipher algorithm 1267 This uses the AES cipher algorithm with the counter block mode.
1236 1268
1237 config CRYPTO_DRBG 1269 config CRYPTO_DRBG
1238 tristate 1270 tristate
1239 default CRYPTO_DRBG_MENU 1271 default CRYPTO_DRBG_MENU
1240 select CRYPTO_RNG 1272 select CRYPTO_RNG
1241 select CRYPTO_JITTERENTROPY 1273 select CRYPTO_JITTERENTROPY
1242 1274
1243 endif # if CRYPTO_DRBG_MENU 1275 endif # if CRYPTO_DRBG_MENU
1244 1276
1245 config CRYPTO_JITTERENTROPY 1277 config CRYPTO_JITTERENTROPY
1246 tristate "CPU Jitter Non-Deterministi 1278 tristate "CPU Jitter Non-Deterministic RNG (Random Number Generator)"
1247 select CRYPTO_RNG 1279 select CRYPTO_RNG
1248 select CRYPTO_SHA3 <<
1249 help 1280 help
1250 CPU Jitter RNG (Random Number Gener 1281 CPU Jitter RNG (Random Number Generator) from the Jitterentropy library
1251 1282
1252 A non-physical non-deterministic (" 1283 A non-physical non-deterministic ("true") RNG (e.g., an entropy source
1253 compliant with NIST SP800-90B) inte 1284 compliant with NIST SP800-90B) intended to provide a seed to a
1254 deterministic RNG (e.g., per NIST S !! 1285 deterministic RNG (e.g. per NIST SP800-90C).
1255 This RNG does not perform any crypt 1286 This RNG does not perform any cryptographic whitening of the generated
1256 random numbers. <<
1257 <<
1258 See https://www.chronox.de/jent/ <<
1259 1287
1260 if CRYPTO_JITTERENTROPY !! 1288 See https://www.chronox.de/jent.html
1261 if CRYPTO_FIPS && EXPERT <<
1262 <<
1263 choice <<
1264 prompt "CPU Jitter RNG Memory Size" <<
1265 default CRYPTO_JITTERENTROPY_MEMSIZE_ <<
1266 help <<
1267 The Jitter RNG measures the executi <<
1268 Multiple consecutive memory accesse <<
1269 size fits into a cache (e.g. L1), o <<
1270 to that cache is measured. The clos <<
1271 the less variations are measured an <<
1272 obtained. Thus, if the memory size <<
1273 obtained entropy is less than if th <<
1274 L1 + L2, which in turn is less if t <<
1275 L1 + L2 + L3. Thus, by selecting a <<
1276 the entropy rate produced by the Ji <<
1277 <<
1278 config CRYPTO_JITTERENTROPY_MEMSIZE_2 <<
1279 bool "2048 Bytes (default)" <<
1280 <<
1281 config CRYPTO_JITTERENTROPY_MEMSIZE_1 <<
1282 bool "128 kBytes" <<
1283 <<
1284 config CRYPTO_JITTERENTROPY_MEMSIZE_1 <<
1285 bool "1024 kBytes" <<
1286 <<
1287 config CRYPTO_JITTERENTROPY_MEMSIZE_8 <<
1288 bool "8192 kBytes" <<
1289 endchoice <<
1290 <<
1291 config CRYPTO_JITTERENTROPY_MEMORY_BLOCKS <<
1292 int <<
1293 default 64 if CRYPTO_JITTERENTROPY_ME <<
1294 default 512 if CRYPTO_JITTERENTROPY_M <<
1295 default 1024 if CRYPTO_JITTERENTROPY_ <<
1296 default 4096 if CRYPTO_JITTERENTROPY_ <<
1297 <<
1298 config CRYPTO_JITTERENTROPY_MEMORY_BLOCKSIZE <<
1299 int <<
1300 default 32 if CRYPTO_JITTERENTROPY_ME <<
1301 default 256 if CRYPTO_JITTERENTROPY_M <<
1302 default 1024 if CRYPTO_JITTERENTROPY_ <<
1303 default 2048 if CRYPTO_JITTERENTROPY_ <<
1304 <<
1305 config CRYPTO_JITTERENTROPY_OSR <<
1306 int "CPU Jitter RNG Oversampling Rate <<
1307 range 1 15 <<
1308 default 3 <<
1309 help <<
1310 The Jitter RNG allows the specifica <<
1311 The Jitter RNG operation requires a <<
1312 measurements to produce one output <<
1313 OSR value is multiplied with the am <<
1314 generate one output block. Thus, th <<
1315 by the OSR factor. The oversampling <<
1316 on hardware whose timers deliver li <<
1317 the timer is coarse) by setting the <<
1318 trade-off, however, is that the Jit <<
1319 to generate random numbers. <<
1320 <<
1321 config CRYPTO_JITTERENTROPY_TESTINTERFACE <<
1322 bool "CPU Jitter RNG Test Interface" <<
1323 help <<
1324 The test interface allows a privile <<
1325 the raw unconditioned high resoluti <<
1326 is collected by the Jitter RNG for <<
1327 this data is used at the same time <<
1328 the Jitter RNG operates in an insec <<
1329 recording is enabled. This interfac <<
1330 intended for testing purposes and i <<
1331 production systems. <<
1332 <<
1333 The raw noise data can be obtained <<
1334 debugfs file. Using the option <<
1335 jitterentropy_testing.boot_raw_hire <<
1336 the first 1000 entropy events since <<
1337 <<
1338 If unsure, select N. <<
1339 <<
1340 endif # if CRYPTO_FIPS && EXPERT <<
1341 <<
1342 if !(CRYPTO_FIPS && EXPERT) <<
1343 <<
1344 config CRYPTO_JITTERENTROPY_MEMORY_BLOCKS <<
1345 int <<
1346 default 64 <<
1347 <<
1348 config CRYPTO_JITTERENTROPY_MEMORY_BLOCKSIZE <<
1349 int <<
1350 default 32 <<
1351 <<
1352 config CRYPTO_JITTERENTROPY_OSR <<
1353 int <<
1354 default 1 <<
1355 <<
1356 config CRYPTO_JITTERENTROPY_TESTINTERFACE <<
1357 bool <<
1358 <<
1359 endif # if !(CRYPTO_FIPS && EXPERT) <<
1360 endif # if CRYPTO_JITTERENTROPY <<
1361 1289
1362 config CRYPTO_KDF800108_CTR 1290 config CRYPTO_KDF800108_CTR
1363 tristate 1291 tristate
1364 select CRYPTO_HMAC 1292 select CRYPTO_HMAC
1365 select CRYPTO_SHA256 1293 select CRYPTO_SHA256
1366 1294
1367 endmenu 1295 endmenu
1368 menu "Userspace interface" 1296 menu "Userspace interface"
1369 1297
1370 config CRYPTO_USER_API 1298 config CRYPTO_USER_API
1371 tristate 1299 tristate
1372 1300
1373 config CRYPTO_USER_API_HASH 1301 config CRYPTO_USER_API_HASH
1374 tristate "Hash algorithms" 1302 tristate "Hash algorithms"
1375 depends on NET 1303 depends on NET
1376 select CRYPTO_HASH 1304 select CRYPTO_HASH
1377 select CRYPTO_USER_API 1305 select CRYPTO_USER_API
1378 help 1306 help
1379 Enable the userspace interface for 1307 Enable the userspace interface for hash algorithms.
1380 1308
1381 See Documentation/crypto/userspace- 1309 See Documentation/crypto/userspace-if.rst and
1382 https://www.chronox.de/libkcapi/htm 1310 https://www.chronox.de/libkcapi/html/index.html
1383 1311
1384 config CRYPTO_USER_API_SKCIPHER 1312 config CRYPTO_USER_API_SKCIPHER
1385 tristate "Symmetric key cipher algori 1313 tristate "Symmetric key cipher algorithms"
1386 depends on NET 1314 depends on NET
1387 select CRYPTO_SKCIPHER 1315 select CRYPTO_SKCIPHER
1388 select CRYPTO_USER_API 1316 select CRYPTO_USER_API
1389 help 1317 help
1390 Enable the userspace interface for 1318 Enable the userspace interface for symmetric key cipher algorithms.
1391 1319
1392 See Documentation/crypto/userspace- 1320 See Documentation/crypto/userspace-if.rst and
1393 https://www.chronox.de/libkcapi/htm 1321 https://www.chronox.de/libkcapi/html/index.html
1394 1322
1395 config CRYPTO_USER_API_RNG 1323 config CRYPTO_USER_API_RNG
1396 tristate "RNG (random number generato 1324 tristate "RNG (random number generator) algorithms"
1397 depends on NET 1325 depends on NET
1398 select CRYPTO_RNG 1326 select CRYPTO_RNG
1399 select CRYPTO_USER_API 1327 select CRYPTO_USER_API
1400 help 1328 help
1401 Enable the userspace interface for 1329 Enable the userspace interface for RNG (random number generator)
1402 algorithms. 1330 algorithms.
1403 1331
1404 See Documentation/crypto/userspace- 1332 See Documentation/crypto/userspace-if.rst and
1405 https://www.chronox.de/libkcapi/htm 1333 https://www.chronox.de/libkcapi/html/index.html
1406 1334
1407 config CRYPTO_USER_API_RNG_CAVP 1335 config CRYPTO_USER_API_RNG_CAVP
1408 bool "Enable CAVP testing of DRBG" 1336 bool "Enable CAVP testing of DRBG"
1409 depends on CRYPTO_USER_API_RNG && CRY 1337 depends on CRYPTO_USER_API_RNG && CRYPTO_DRBG
1410 help 1338 help
1411 Enable extra APIs in the userspace 1339 Enable extra APIs in the userspace interface for NIST CAVP
1412 (Cryptographic Algorithm Validation 1340 (Cryptographic Algorithm Validation Program) testing:
1413 - resetting DRBG entropy 1341 - resetting DRBG entropy
1414 - providing Additional Data 1342 - providing Additional Data
1415 1343
1416 This should only be enabled for CAV 1344 This should only be enabled for CAVP testing. You should say
1417 no unless you know what this is. 1345 no unless you know what this is.
1418 1346
1419 config CRYPTO_USER_API_AEAD 1347 config CRYPTO_USER_API_AEAD
1420 tristate "AEAD cipher algorithms" 1348 tristate "AEAD cipher algorithms"
1421 depends on NET 1349 depends on NET
1422 select CRYPTO_AEAD 1350 select CRYPTO_AEAD
1423 select CRYPTO_SKCIPHER 1351 select CRYPTO_SKCIPHER
1424 select CRYPTO_NULL 1352 select CRYPTO_NULL
1425 select CRYPTO_USER_API 1353 select CRYPTO_USER_API
1426 help 1354 help
1427 Enable the userspace interface for 1355 Enable the userspace interface for AEAD cipher algorithms.
1428 1356
1429 See Documentation/crypto/userspace- 1357 See Documentation/crypto/userspace-if.rst and
1430 https://www.chronox.de/libkcapi/htm 1358 https://www.chronox.de/libkcapi/html/index.html
1431 1359
1432 config CRYPTO_USER_API_ENABLE_OBSOLETE 1360 config CRYPTO_USER_API_ENABLE_OBSOLETE
1433 bool "Obsolete cryptographic algorith 1361 bool "Obsolete cryptographic algorithms"
1434 depends on CRYPTO_USER_API 1362 depends on CRYPTO_USER_API
1435 default y 1363 default y
1436 help 1364 help
1437 Allow obsolete cryptographic algori 1365 Allow obsolete cryptographic algorithms to be selected that have
1438 already been phased out from intern 1366 already been phased out from internal use by the kernel, and are
1439 only useful for userspace clients t 1367 only useful for userspace clients that still rely on them.
1440 1368
>> 1369 config CRYPTO_STATS
>> 1370 bool "Crypto usage statistics"
>> 1371 depends on CRYPTO_USER
>> 1372 help
>> 1373 Enable the gathering of crypto stats.
>> 1374
>> 1375 This collects data sizes, numbers of requests, and numbers
>> 1376 of errors processed by:
>> 1377 - AEAD ciphers (encrypt, decrypt)
>> 1378 - asymmetric key ciphers (encrypt, decrypt, verify, sign)
>> 1379 - symmetric key ciphers (encrypt, decrypt)
>> 1380 - compression algorithms (compress, decompress)
>> 1381 - hash algorithms (hash)
>> 1382 - key-agreement protocol primitives (setsecret, generate
>> 1383 public key, compute shared secret)
>> 1384 - RNG (generate, seed)
>> 1385
1441 endmenu 1386 endmenu
1442 1387
1443 config CRYPTO_HASH_INFO 1388 config CRYPTO_HASH_INFO
1444 bool 1389 bool
1445 1390
1446 if !KMSAN # avoid false positives from assemb 1391 if !KMSAN # avoid false positives from assembly
1447 if ARM 1392 if ARM
1448 source "arch/arm/crypto/Kconfig" 1393 source "arch/arm/crypto/Kconfig"
1449 endif 1394 endif
1450 if ARM64 1395 if ARM64
1451 source "arch/arm64/crypto/Kconfig" 1396 source "arch/arm64/crypto/Kconfig"
1452 endif 1397 endif
1453 if LOONGARCH <<
1454 source "arch/loongarch/crypto/Kconfig" <<
1455 endif <<
1456 if MIPS 1398 if MIPS
1457 source "arch/mips/crypto/Kconfig" 1399 source "arch/mips/crypto/Kconfig"
1458 endif 1400 endif
1459 if PPC 1401 if PPC
1460 source "arch/powerpc/crypto/Kconfig" 1402 source "arch/powerpc/crypto/Kconfig"
1461 endif <<
1462 if RISCV <<
1463 source "arch/riscv/crypto/Kconfig" <<
1464 endif 1403 endif
1465 if S390 1404 if S390
1466 source "arch/s390/crypto/Kconfig" 1405 source "arch/s390/crypto/Kconfig"
1467 endif 1406 endif
1468 if SPARC 1407 if SPARC
1469 source "arch/sparc/crypto/Kconfig" 1408 source "arch/sparc/crypto/Kconfig"
1470 endif 1409 endif
1471 if X86 1410 if X86
1472 source "arch/x86/crypto/Kconfig" 1411 source "arch/x86/crypto/Kconfig"
1473 endif 1412 endif
1474 endif 1413 endif
1475 1414
1476 source "drivers/crypto/Kconfig" 1415 source "drivers/crypto/Kconfig"
1477 source "crypto/asymmetric_keys/Kconfig" 1416 source "crypto/asymmetric_keys/Kconfig"
1478 source "certs/Kconfig" 1417 source "certs/Kconfig"
1479 1418
1480 endif # if CRYPTO 1419 endif # if CRYPTO
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