projects / mirror_ubuntu-kernels.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| cf582cce JK |
2 | #ifndef ASM_X86_CAMELLIA_H |
| 3 | #define ASM_X86_CAMELLIA_H | |
| 4 | ||
| 5 | #include <linux/kernel.h> | |
| 6 | #include <linux/crypto.h> | |
| 7 | ||
| 8 | #define CAMELLIA_MIN_KEY_SIZE 16 | |
| 9 | #define CAMELLIA_MAX_KEY_SIZE 32 | |
| 10 | #define CAMELLIA_BLOCK_SIZE 16 | |
| 11 | #define CAMELLIA_TABLE_BYTE_LEN 272 | |
| 12 | #define CAMELLIA_PARALLEL_BLOCKS 2 | |
| 13 | ||
| 14 | struct camellia_ctx { | |
| 15 | u64 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u64)]; | |
| 16 | u32 key_length; | |
| 17 | }; | |
| 18 | ||
| 19 | struct camellia_lrw_ctx { | |
| 20 | struct lrw_table_ctx lrw_table; | |
| 21 | struct camellia_ctx camellia_ctx; | |
| 22 | }; | |
| 23 | ||
| 24 | struct camellia_xts_ctx { | |
| 25 | struct camellia_ctx tweak_ctx; | |
| 26 | struct camellia_ctx crypt_ctx; | |
| 27 | }; | |
| 28 | ||
| 29 | extern int __camellia_setkey(struct camellia_ctx *cctx, | |
| 30 | const unsigned char *key, | |
| 31 | unsigned int key_len, u32 *flags); | |
| 32 | ||
| 33 | extern int lrw_camellia_setkey(struct crypto_tfm *tfm, const u8 *key, | |
| 34 | unsigned int keylen); | |
| 35 | extern void lrw_camellia_exit_tfm(struct crypto_tfm *tfm); | |
| 36 | ||
| 37 | extern int xts_camellia_setkey(struct crypto_tfm *tfm, const u8 *key, | |
| 38 | unsigned int keylen); | |
| 39 | ||
| 40 | /* regular block cipher functions */ | |
| 41 | asmlinkage void __camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst, | |
| 42 | const u8 *src, bool xor); | |
| 43 | asmlinkage void camellia_dec_blk(struct camellia_ctx *ctx, u8 *dst, | |
| 44 | const u8 *src); | |
| 45 | ||
| 46 | /* 2-way parallel cipher functions */ | |
| 47 | asmlinkage void __camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst, | |
| 48 | const u8 *src, bool xor); | |
| 49 | asmlinkage void camellia_dec_blk_2way(struct camellia_ctx *ctx, u8 *dst, | |
| 50 | const u8 *src); | |
| 51 | ||
| f3f935a7 JK |
52 | /* 16-way parallel cipher functions (avx/aes-ni) */ |
| 53 | asmlinkage void camellia_ecb_enc_16way(struct camellia_ctx *ctx, u8 *dst, | |
| 54 | const u8 *src); | |
| 55 | asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst, | |
| 56 | const u8 *src); | |
| 57 | ||
| 58 | asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst, | |
| 59 | const u8 *src); | |
| 60 | asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst, | |
| 61 | const u8 *src, le128 *iv); | |
| 62 | ||
| 63 | asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst, | |
| 64 | const u8 *src, le128 *iv); | |
| 65 | asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst, | |
| 66 | const u8 *src, le128 *iv); | |
| 67 | ||
| cf582cce JK |
68 | static inline void camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst, |
| 69 | const u8 *src) | |
| 70 | { | |
| 71 | __camellia_enc_blk(ctx, dst, src, false); | |
| 72 | } | |
| 73 | ||
| 74 | static inline void camellia_enc_blk_xor(struct camellia_ctx *ctx, u8 *dst, | |
| 75 | const u8 *src) | |
| 76 | { | |
| 77 | __camellia_enc_blk(ctx, dst, src, true); | |
| 78 | } | |
| 79 | ||
| 80 | static inline void camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst, | |
| 81 | const u8 *src) | |
| 82 | { | |
| 83 | __camellia_enc_blk_2way(ctx, dst, src, false); | |
| 84 | } | |
| 85 | ||
| 86 | static inline void camellia_enc_blk_xor_2way(struct camellia_ctx *ctx, u8 *dst, | |
| 87 | const u8 *src) | |
| 88 | { | |
| 89 | __camellia_enc_blk_2way(ctx, dst, src, true); | |
| 90 | } | |
| 91 | ||
| 92 | /* glue helpers */ | |
| 93 | extern void camellia_decrypt_cbc_2way(void *ctx, u128 *dst, const u128 *src); | |
| 94 | extern void camellia_crypt_ctr(void *ctx, u128 *dst, const u128 *src, | |
| 95 | le128 *iv); | |
| 96 | extern void camellia_crypt_ctr_2way(void *ctx, u128 *dst, const u128 *src, | |
| 97 | le128 *iv); | |
| 98 | ||
| f3f935a7 JK |
99 | extern void camellia_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv); |
| 100 | extern void camellia_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv); | |
| 101 | ||
| cf582cce | 102 | #endif /* ASM_X86_CAMELLIA_H */ |