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167 lines
4.7 KiB
167 lines
4.7 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Common values for SHA algorithms |
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*/ |
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#ifndef _CRYPTO_SHA_H |
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#define _CRYPTO_SHA_H |
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#include <linux/types.h> |
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#define SHA1_DIGEST_SIZE 20 |
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#define SHA1_BLOCK_SIZE 64 |
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#define SHA224_DIGEST_SIZE 28 |
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#define SHA224_BLOCK_SIZE 64 |
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#define SHA256_DIGEST_SIZE 32 |
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#define SHA256_BLOCK_SIZE 64 |
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#define SHA384_DIGEST_SIZE 48 |
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#define SHA384_BLOCK_SIZE 128 |
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#define SHA512_DIGEST_SIZE 64 |
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#define SHA512_BLOCK_SIZE 128 |
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#define SHA1_H0 0x67452301UL |
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#define SHA1_H1 0xefcdab89UL |
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#define SHA1_H2 0x98badcfeUL |
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#define SHA1_H3 0x10325476UL |
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#define SHA1_H4 0xc3d2e1f0UL |
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#define SHA224_H0 0xc1059ed8UL |
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#define SHA224_H1 0x367cd507UL |
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#define SHA224_H2 0x3070dd17UL |
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#define SHA224_H3 0xf70e5939UL |
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#define SHA224_H4 0xffc00b31UL |
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#define SHA224_H5 0x68581511UL |
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#define SHA224_H6 0x64f98fa7UL |
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#define SHA224_H7 0xbefa4fa4UL |
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#define SHA256_H0 0x6a09e667UL |
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#define SHA256_H1 0xbb67ae85UL |
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#define SHA256_H2 0x3c6ef372UL |
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#define SHA256_H3 0xa54ff53aUL |
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#define SHA256_H4 0x510e527fUL |
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#define SHA256_H5 0x9b05688cUL |
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#define SHA256_H6 0x1f83d9abUL |
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#define SHA256_H7 0x5be0cd19UL |
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#define SHA384_H0 0xcbbb9d5dc1059ed8ULL |
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#define SHA384_H1 0x629a292a367cd507ULL |
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#define SHA384_H2 0x9159015a3070dd17ULL |
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#define SHA384_H3 0x152fecd8f70e5939ULL |
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#define SHA384_H4 0x67332667ffc00b31ULL |
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#define SHA384_H5 0x8eb44a8768581511ULL |
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#define SHA384_H6 0xdb0c2e0d64f98fa7ULL |
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#define SHA384_H7 0x47b5481dbefa4fa4ULL |
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#define SHA512_H0 0x6a09e667f3bcc908ULL |
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#define SHA512_H1 0xbb67ae8584caa73bULL |
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#define SHA512_H2 0x3c6ef372fe94f82bULL |
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#define SHA512_H3 0xa54ff53a5f1d36f1ULL |
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#define SHA512_H4 0x510e527fade682d1ULL |
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#define SHA512_H5 0x9b05688c2b3e6c1fULL |
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#define SHA512_H6 0x1f83d9abfb41bd6bULL |
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#define SHA512_H7 0x5be0cd19137e2179ULL |
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extern const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE]; |
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extern const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE]; |
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extern const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE]; |
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extern const u8 sha384_zero_message_hash[SHA384_DIGEST_SIZE]; |
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extern const u8 sha512_zero_message_hash[SHA512_DIGEST_SIZE]; |
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struct sha1_state { |
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u32 state[SHA1_DIGEST_SIZE / 4]; |
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u64 count; |
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u8 buffer[SHA1_BLOCK_SIZE]; |
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}; |
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struct sha256_state { |
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u32 state[SHA256_DIGEST_SIZE / 4]; |
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u64 count; |
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u8 buf[SHA256_BLOCK_SIZE]; |
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}; |
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struct sha512_state { |
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u64 state[SHA512_DIGEST_SIZE / 8]; |
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u64 count[2]; |
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u8 buf[SHA512_BLOCK_SIZE]; |
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}; |
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struct shash_desc; |
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extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data, |
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unsigned int len); |
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extern int crypto_sha1_finup(struct shash_desc *desc, const u8 *data, |
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unsigned int len, u8 *hash); |
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extern int crypto_sha256_update(struct shash_desc *desc, const u8 *data, |
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unsigned int len); |
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extern int crypto_sha256_finup(struct shash_desc *desc, const u8 *data, |
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unsigned int len, u8 *hash); |
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extern int crypto_sha512_update(struct shash_desc *desc, const u8 *data, |
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unsigned int len); |
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extern int crypto_sha512_finup(struct shash_desc *desc, const u8 *data, |
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unsigned int len, u8 *hash); |
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/* |
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* An implementation of SHA-1's compression function. Don't use in new code! |
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* You shouldn't be using SHA-1, and even if you *have* to use SHA-1, this isn't |
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* the correct way to hash something with SHA-1 (use crypto_shash instead). |
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*/ |
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#define SHA1_DIGEST_WORDS (SHA1_DIGEST_SIZE / 4) |
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#define SHA1_WORKSPACE_WORDS 16 |
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void sha1_init(__u32 *buf); |
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void sha1_transform(__u32 *digest, const char *data, __u32 *W); |
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/* |
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* Stand-alone implementation of the SHA256 algorithm. It is designed to |
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* have as little dependencies as possible so it can be used in the |
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* kexec_file purgatory. In other cases you should generally use the |
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* hash APIs from include/crypto/hash.h. Especially when hashing large |
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* amounts of data as those APIs may be hw-accelerated. |
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* |
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* For details see lib/crypto/sha256.c |
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*/ |
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static inline void sha256_init(struct sha256_state *sctx) |
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{ |
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sctx->state[0] = SHA256_H0; |
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sctx->state[1] = SHA256_H1; |
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sctx->state[2] = SHA256_H2; |
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sctx->state[3] = SHA256_H3; |
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sctx->state[4] = SHA256_H4; |
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sctx->state[5] = SHA256_H5; |
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sctx->state[6] = SHA256_H6; |
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sctx->state[7] = SHA256_H7; |
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sctx->count = 0; |
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} |
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void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len); |
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void sha256_final(struct sha256_state *sctx, u8 *out); |
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void sha256(const u8 *data, unsigned int len, u8 *out); |
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static inline void sha224_init(struct sha256_state *sctx) |
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{ |
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sctx->state[0] = SHA224_H0; |
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sctx->state[1] = SHA224_H1; |
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sctx->state[2] = SHA224_H2; |
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sctx->state[3] = SHA224_H3; |
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sctx->state[4] = SHA224_H4; |
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sctx->state[5] = SHA224_H5; |
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sctx->state[6] = SHA224_H6; |
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sctx->state[7] = SHA224_H7; |
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sctx->count = 0; |
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} |
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void sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len); |
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void sha224_final(struct sha256_state *sctx, u8 *out); |
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#endif
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