Roman Peniaev | 35c31fe | 2014-07-21 21:53:44 +0900 | [diff] [blame] | 1 | /* |
| 2 | * FIPS 180-2 SHA-224/256/384/512 implementation |
| 3 | * Last update: 02/02/2007 |
| 4 | * Issue date: 04/30/2005 |
| 5 | * |
| 6 | * Since this code has been incorporated into a GPLv2 project, it is |
| 7 | * distributed under GPLv2 inside mmc-utils. The original BSD license |
| 8 | * that the code was released under is included below for clarity. |
| 9 | * |
| 10 | * Copyright (C) 2005, 2007 Olivier Gay <olivier.gay@a3.epfl.ch> |
| 11 | * All rights reserved. |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or without |
| 14 | * modification, are permitted provided that the following conditions |
| 15 | * are met: |
| 16 | * 1. Redistributions of source code must retain the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer. |
| 18 | * 2. Redistributions in binary form must reproduce the above copyright |
| 19 | * notice, this list of conditions and the following disclaimer in the |
| 20 | * documentation and/or other materials provided with the distribution. |
| 21 | * 3. Neither the name of the project nor the names of its contributors |
| 22 | * may be used to endorse or promote products derived from this software |
| 23 | * without specific prior written permission. |
| 24 | * |
| 25 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
| 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 35 | * SUCH DAMAGE. |
| 36 | */ |
| 37 | |
| 38 | #ifndef SHA2_H |
| 39 | #define SHA2_H |
| 40 | |
| 41 | #define SHA224_DIGEST_SIZE ( 224 / 8) |
| 42 | #define SHA256_DIGEST_SIZE ( 256 / 8) |
| 43 | #define SHA384_DIGEST_SIZE ( 384 / 8) |
| 44 | #define SHA512_DIGEST_SIZE ( 512 / 8) |
| 45 | |
| 46 | #define SHA256_BLOCK_SIZE ( 512 / 8) |
| 47 | #define SHA512_BLOCK_SIZE (1024 / 8) |
| 48 | #define SHA384_BLOCK_SIZE SHA512_BLOCK_SIZE |
| 49 | #define SHA224_BLOCK_SIZE SHA256_BLOCK_SIZE |
| 50 | |
| 51 | #ifndef SHA2_TYPES |
| 52 | #define SHA2_TYPES |
| 53 | typedef unsigned char uint8; |
| 54 | typedef unsigned int uint32; |
| 55 | typedef unsigned long long uint64; |
| 56 | #endif |
| 57 | |
| 58 | #ifdef __cplusplus |
| 59 | extern "C" { |
| 60 | #endif |
| 61 | |
| 62 | typedef struct { |
| 63 | unsigned int tot_len; |
| 64 | unsigned int len; |
| 65 | unsigned char block[2 * SHA256_BLOCK_SIZE]; |
| 66 | uint32 h[8]; |
| 67 | } sha256_ctx; |
| 68 | |
| 69 | typedef struct { |
| 70 | unsigned int tot_len; |
| 71 | unsigned int len; |
| 72 | unsigned char block[2 * SHA512_BLOCK_SIZE]; |
| 73 | uint64 h[8]; |
| 74 | } sha512_ctx; |
| 75 | |
| 76 | typedef sha512_ctx sha384_ctx; |
| 77 | typedef sha256_ctx sha224_ctx; |
| 78 | |
| 79 | void sha224_init(sha224_ctx *ctx); |
| 80 | void sha224_update(sha224_ctx *ctx, const unsigned char *message, |
| 81 | unsigned int len); |
| 82 | void sha224_final(sha224_ctx *ctx, unsigned char *digest); |
| 83 | void sha224(const unsigned char *message, unsigned int len, |
| 84 | unsigned char *digest); |
| 85 | |
| 86 | void sha256_init(sha256_ctx * ctx); |
| 87 | void sha256_update(sha256_ctx *ctx, const unsigned char *message, |
| 88 | unsigned int len); |
| 89 | void sha256_final(sha256_ctx *ctx, unsigned char *digest); |
| 90 | void sha256(const unsigned char *message, unsigned int len, |
| 91 | unsigned char *digest); |
| 92 | |
| 93 | void sha384_init(sha384_ctx *ctx); |
| 94 | void sha384_update(sha384_ctx *ctx, const unsigned char *message, |
| 95 | unsigned int len); |
| 96 | void sha384_final(sha384_ctx *ctx, unsigned char *digest); |
| 97 | void sha384(const unsigned char *message, unsigned int len, |
| 98 | unsigned char *digest); |
| 99 | |
| 100 | void sha512_init(sha512_ctx *ctx); |
| 101 | void sha512_update(sha512_ctx *ctx, const unsigned char *message, |
| 102 | unsigned int len); |
| 103 | void sha512_final(sha512_ctx *ctx, unsigned char *digest); |
| 104 | void sha512(const unsigned char *message, unsigned int len, |
| 105 | unsigned char *digest); |
| 106 | |
| 107 | #ifdef __cplusplus |
| 108 | } |
| 109 | #endif |
| 110 | |
| 111 | #endif /* !SHA2_H */ |
| 112 | |