1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef ASM_X86_CAMELLIA_H
3 #define ASM_X86_CAMELLIA_H
4
5 #include <crypto/b128ops.h>
6 #include <linux/crypto.h>
7 #include <linux/kernel.h>
8
9 #define CAMELLIA_MIN_KEY_SIZE 16
10 #define CAMELLIA_MAX_KEY_SIZE 32
11 #define CAMELLIA_BLOCK_SIZE 16
12 #define CAMELLIA_TABLE_BYTE_LEN 272
13 #define CAMELLIA_PARALLEL_BLOCKS 2
14
15 struct crypto_skcipher;
16
17 struct camellia_ctx {
18 u64 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u64)];
19 u32 key_length;
20 };
21
22 extern int __camellia_setkey(struct camellia_ctx *cctx,
23 const unsigned char *key,
24 unsigned int key_len);
25
26 /* regular block cipher functions */
27 asmlinkage void __camellia_enc_blk(const void *ctx, u8 *dst, const u8 *src,
28 bool xor);
29 asmlinkage void camellia_dec_blk(const void *ctx, u8 *dst, const u8 *src);
30
31 /* 2-way parallel cipher functions */
32 asmlinkage void __camellia_enc_blk_2way(const void *ctx, u8 *dst, const u8 *src,
33 bool xor);
34 asmlinkage void camellia_dec_blk_2way(const void *ctx, u8 *dst, const u8 *src);
35
36 /* 16-way parallel cipher functions (avx/aes-ni) */
37 asmlinkage void camellia_ecb_enc_16way(const void *ctx, u8 *dst, const u8 *src);
38 asmlinkage void camellia_ecb_dec_16way(const void *ctx, u8 *dst, const u8 *src);
39
40 asmlinkage void camellia_cbc_dec_16way(const void *ctx, u8 *dst, const u8 *src);
41
42 static inline void camellia_enc_blk(const void *ctx, u8 *dst, const u8 *src)
43 {
44 __camellia_enc_blk(ctx, dst, src, false);
45 }
46
47 static inline void camellia_enc_blk_xor(const void *ctx, u8 *dst, const u8 *src)
48 {
49 __camellia_enc_blk(ctx, dst, src, true);
50 }
51
52 static inline void camellia_enc_blk_2way(const void *ctx, u8 *dst,
53 const u8 *src)
54 {
55 __camellia_enc_blk_2way(ctx, dst, src, false);
56 }
57
58 static inline void camellia_enc_blk_xor_2way(const void *ctx, u8 *dst,
59 const u8 *src)
60 {
61 __camellia_enc_blk_2way(ctx, dst, src, true);
62 }
63
64 /* glue helpers */
65 extern void camellia_decrypt_cbc_2way(const void *ctx, u8 *dst, const u8 *src);
66
67 #endif /* ASM_X86_CAMELLIA_H */
68
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