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1.1 ! misho 1: /* ! 2: * Copyright (c) 2013 Todd C. Miller <Todd.Miller@courtesan.com> ! 3: * ! 4: * Permission to use, copy, modify, and distribute this software for any ! 5: * purpose with or without fee is hereby granted, provided that the above ! 6: * copyright notice and this permission notice appear in all copies. ! 7: * ! 8: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES ! 9: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF ! 10: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ! 11: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ! 12: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ! 13: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF ! 14: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ! 15: */ ! 16: ! 17: /* ! 18: * Derived from the public domain SHA-1 and SHA-2 implementations ! 19: * by Steve Reid and Wei Dai respectively. ! 20: */ ! 21: ! 22: #ifndef _SUDOERS_SHA2_H ! 23: #define _SUDOERS_SHA2_H ! 24: ! 25: #define SHA224_BLOCK_LENGTH 64 ! 26: #define SHA224_DIGEST_LENGTH 28 ! 27: #define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1) ! 28: ! 29: #define SHA256_BLOCK_LENGTH 64 ! 30: #define SHA256_DIGEST_LENGTH 32 ! 31: #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) ! 32: ! 33: #define SHA384_BLOCK_LENGTH 128 ! 34: #define SHA384_DIGEST_LENGTH 48 ! 35: #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) ! 36: ! 37: #define SHA512_BLOCK_LENGTH 128 ! 38: #define SHA512_DIGEST_LENGTH 64 ! 39: #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) ! 40: ! 41: typedef struct { ! 42: union { ! 43: uint32_t st32[8]; /* sha224 and sha256 */ ! 44: uint64_t st64[8]; /* sha384 and sha512 */ ! 45: } state; ! 46: uint64_t count[2]; ! 47: uint8_t buffer[SHA512_BLOCK_LENGTH]; ! 48: } SHA2_CTX; ! 49: ! 50: void SHA224Init(SHA2_CTX *ctx); ! 51: void SHA224Pad(SHA2_CTX *ctx); ! 52: void SHA224Transform(uint32_t state[8], const uint8_t buffer[SHA224_BLOCK_LENGTH]); ! 53: void SHA224Update(SHA2_CTX *ctx, const uint8_t *data, size_t len); ! 54: void SHA224Final(uint8_t digest[SHA224_DIGEST_LENGTH], SHA2_CTX *ctx); ! 55: ! 56: void SHA256Init(SHA2_CTX *ctx); ! 57: void SHA256Pad(SHA2_CTX *ctx); ! 58: void SHA256Transform(uint32_t state[8], const uint8_t buffer[SHA256_BLOCK_LENGTH]); ! 59: void SHA256Update(SHA2_CTX *ctx, const uint8_t *data, size_t len); ! 60: void SHA256Final(uint8_t digest[SHA256_DIGEST_LENGTH], SHA2_CTX *ctx); ! 61: ! 62: void SHA384Init(SHA2_CTX *ctx); ! 63: void SHA384Pad(SHA2_CTX *ctx); ! 64: void SHA384Transform(uint64_t state[8], const uint8_t buffer[SHA384_BLOCK_LENGTH]); ! 65: void SHA384Update(SHA2_CTX *ctx, const uint8_t *data, size_t len); ! 66: void SHA384Final(uint8_t digest[SHA384_DIGEST_LENGTH], SHA2_CTX *ctx); ! 67: ! 68: void SHA512Init(SHA2_CTX *ctx); ! 69: void SHA512Pad(SHA2_CTX *ctx); ! 70: void SHA512Transform(uint64_t state[8], const uint8_t buffer[SHA512_BLOCK_LENGTH]); ! 71: void SHA512Update(SHA2_CTX *ctx, const uint8_t *data, size_t len); ! 72: void SHA512Final(uint8_t digest[SHA512_DIGEST_LENGTH], SHA2_CTX *ctx); ! 73: ! 74: #endif /* _SUDOERS_SHA2_H */