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Diffstat (limited to '')
| -rw-r--r-- | include/compat/sha2.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/include/compat/sha2.h b/include/compat/sha2.h new file mode 100644 index 0000000..3638423 --- /dev/null +++ b/include/compat/sha2.h @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * Derived from the public domain SHA-1 and SHA-2 implementations + * by Steve Reid and Wei Dai respectively. + */ + +#ifndef COMPAT_SHA2_H +#define COMPAT_SHA2_H + +#define SHA224_BLOCK_LENGTH 64 +#define SHA224_DIGEST_LENGTH 28 +#define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1) + +#define SHA256_BLOCK_LENGTH 64 +#define SHA256_DIGEST_LENGTH 32 +#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) + +#define SHA384_BLOCK_LENGTH 128 +#define SHA384_DIGEST_LENGTH 48 +#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) + +#define SHA512_BLOCK_LENGTH 128 +#define SHA512_DIGEST_LENGTH 64 +#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) + +typedef struct { + union { + uint32_t st32[8]; /* sha224 and sha256 */ + uint64_t st64[8]; /* sha384 and sha512 */ + } state; + uint64_t count[2]; + uint8_t buffer[SHA512_BLOCK_LENGTH]; +} SHA2_CTX; + +__dso_public void sudo_SHA224Init(SHA2_CTX *ctx); +__dso_public void sudo_SHA224Pad(SHA2_CTX *ctx); +__dso_public void sudo_SHA224Transform(uint32_t state[8], const uint8_t buffer[SHA224_BLOCK_LENGTH]); +__dso_public void sudo_SHA224Update(SHA2_CTX *ctx, const uint8_t *data, size_t len); +__dso_public void sudo_SHA224Final(uint8_t digest[SHA224_DIGEST_LENGTH], SHA2_CTX *ctx); + +#define SHA224Init sudo_SHA224Init +#define SHA224Pad sudo_SHA224Pad +#define SHA224Transform sudo_SHA224Transform +#define SHA224Update sudo_SHA224Update +#define SHA224Final sudo_SHA224Final + +__dso_public void sudo_SHA256Init(SHA2_CTX *ctx); +__dso_public void sudo_SHA256Pad(SHA2_CTX *ctx); +__dso_public void sudo_SHA256Transform(uint32_t state[8], const uint8_t buffer[SHA256_BLOCK_LENGTH]); +__dso_public void sudo_SHA256Update(SHA2_CTX *ctx, const uint8_t *data, size_t len); +__dso_public void sudo_SHA256Final(uint8_t digest[SHA256_DIGEST_LENGTH], SHA2_CTX *ctx); + +#define SHA256Init sudo_SHA256Init +#define SHA256Pad sudo_SHA256Pad +#define SHA256Transform sudo_SHA256Transform +#define SHA256Update sudo_SHA256Update +#define SHA256Final sudo_SHA256Final + +__dso_public void sudo_SHA384Init(SHA2_CTX *ctx); +__dso_public void sudo_SHA384Pad(SHA2_CTX *ctx); +__dso_public void sudo_SHA384Transform(uint64_t state[8], const uint8_t buffer[SHA384_BLOCK_LENGTH]); +__dso_public void sudo_SHA384Update(SHA2_CTX *ctx, const uint8_t *data, size_t len); +__dso_public void sudo_SHA384Final(uint8_t digest[SHA384_DIGEST_LENGTH], SHA2_CTX *ctx); + +#define SHA384Init sudo_SHA384Init +#define SHA384Pad sudo_SHA384Pad +#define SHA384Transform sudo_SHA384Transform +#define SHA384Update sudo_SHA384Update +#define SHA384Final sudo_SHA384Final + +__dso_public void sudo_SHA512Init(SHA2_CTX *ctx); +__dso_public void sudo_SHA512Pad(SHA2_CTX *ctx); +__dso_public void sudo_SHA512Transform(uint64_t state[8], const uint8_t buffer[SHA512_BLOCK_LENGTH]); +__dso_public void sudo_SHA512Update(SHA2_CTX *ctx, const uint8_t *data, size_t len); +__dso_public void sudo_SHA512Final(uint8_t digest[SHA512_DIGEST_LENGTH], SHA2_CTX *ctx); + +#define SHA512Init sudo_SHA512Init +#define SHA512Pad sudo_SHA512Pad +#define SHA512Transform sudo_SHA512Transform +#define SHA512Update sudo_SHA512Update +#define SHA512Final sudo_SHA512Final + +#endif /* COMPAT_SHA2_H */ |