Alexandre Lision | 7fd5d3d | 2013-12-04 13:06:40 -0500 | [diff] [blame] | 1 | /* |
| 2 | --------------------------------------------------------------------------- |
| 3 | Copyright (c) 2002, Dr Brian Gladman, Worcester, UK. All rights reserved. |
| 4 | |
| 5 | LICENSE TERMS |
| 6 | |
| 7 | The free distribution and use of this software in both source and binary |
| 8 | form is allowed (with or without changes) provided that: |
| 9 | |
| 10 | 1. distributions of this source code include the above copyright |
| 11 | notice, this list of conditions and the following disclaimer; |
| 12 | |
| 13 | 2. distributions in binary form include the above copyright |
| 14 | notice, this list of conditions and the following disclaimer |
| 15 | in the documentation and/or other associated materials; |
| 16 | |
| 17 | 3. the copyright holder's name is not used to endorse products |
| 18 | built using this software without specific written permission. |
| 19 | |
| 20 | ALTERNATIVELY, provided that this notice is retained in full, this product |
| 21 | may be distributed under the terms of the GNU General Public License (GPL), |
| 22 | in which case the provisions of the GPL apply INSTEAD OF those given above. |
| 23 | |
| 24 | DISCLAIMER |
| 25 | |
| 26 | This software is provided 'as is' with no explicit or implied warranties |
| 27 | in respect of its properties, including, but not limited to, correctness |
| 28 | and/or fitness for purpose. |
| 29 | --------------------------------------------------------------------------- |
| 30 | Issue Date: 01/08/2005 |
| 31 | */ |
| 32 | |
| 33 | #ifndef _SHA2_H |
| 34 | #define _SHA2_H |
| 35 | |
| 36 | #include <stdlib.h> |
| 37 | |
| 38 | #define SHA_64BIT |
| 39 | |
| 40 | /* define the hash functions that you need */ |
| 41 | #define SHA_2 /* for dynamic hash length */ |
| 42 | #define SHA_224 |
| 43 | #define SHA_256 |
| 44 | #ifdef SHA_64BIT |
| 45 | # define SHA_384 |
| 46 | # define SHA_512 |
| 47 | # define NEED_UINT_64T |
| 48 | #endif |
| 49 | |
| 50 | #include <cryptcommon/brg_types.h> |
| 51 | |
| 52 | #if defined(__cplusplus) |
| 53 | extern "C" |
| 54 | { |
| 55 | #endif |
| 56 | |
| 57 | /* Note that the following function prototypes are the same */ |
| 58 | /* for both the bit and byte oriented implementations. But */ |
| 59 | /* the length fields are in bytes or bits as is appropriate */ |
| 60 | /* for the version used. Bit sequences are arrays of bytes */ |
| 61 | /* in which bit sequence indexes increase from the most to */ |
| 62 | /* the least significant end of each byte */ |
| 63 | |
| 64 | #define SHA224_DIGEST_SIZE 28 |
| 65 | #define SHA224_BLOCK_SIZE 64 |
| 66 | #define SHA256_DIGEST_SIZE 32 |
| 67 | #define SHA256_BLOCK_SIZE 64 |
| 68 | |
| 69 | /* type to hold the SHA256 (and SHA224) context */ |
| 70 | |
| 71 | typedef struct |
| 72 | { uint_32t count[2]; |
| 73 | uint_32t hash[8]; |
| 74 | uint_32t wbuf[16]; |
| 75 | } sha256_ctx; |
| 76 | |
| 77 | typedef sha256_ctx sha224_ctx; |
| 78 | |
| 79 | VOID_RETURN sha256_compile(sha256_ctx ctx[1]); |
| 80 | |
| 81 | VOID_RETURN sha224_begin(sha224_ctx ctx[1]); |
| 82 | #define sha224_hash sha256_hash |
| 83 | VOID_RETURN sha224_end(unsigned char hval[], sha224_ctx ctx[1]); |
| 84 | VOID_RETURN sha224(unsigned char hval[], const unsigned char data[], unsigned long len); |
| 85 | |
| 86 | VOID_RETURN sha256_begin(sha256_ctx ctx[1]); |
| 87 | VOID_RETURN sha256_hash(const unsigned char data[], unsigned long len, sha256_ctx ctx[1]); |
| 88 | VOID_RETURN sha256_end(unsigned char hval[], sha256_ctx ctx[1]); |
| 89 | VOID_RETURN sha256(unsigned char hval[], const unsigned char data[], unsigned long len); |
| 90 | |
| 91 | #ifndef SHA_64BIT |
| 92 | |
| 93 | typedef struct |
| 94 | { union |
| 95 | { sha256_ctx ctx256[1]; |
| 96 | } uu[1]; |
| 97 | uint_32t sha2_len; |
| 98 | } sha2_ctx; |
| 99 | |
| 100 | #define SHA2_MAX_DIGEST_SIZE SHA256_DIGEST_SIZE |
| 101 | |
| 102 | #else |
| 103 | |
| 104 | #define SHA384_DIGEST_SIZE 48 |
| 105 | #define SHA384_BLOCK_SIZE 128 |
| 106 | #define SHA512_DIGEST_SIZE 64 |
| 107 | #define SHA512_BLOCK_SIZE 128 |
| 108 | #define SHA2_MAX_DIGEST_SIZE SHA512_DIGEST_SIZE |
| 109 | |
| 110 | /* type to hold the SHA384 (and SHA512) context */ |
| 111 | |
| 112 | typedef struct |
| 113 | { uint_64t count[2]; |
| 114 | uint_64t hash[8]; |
| 115 | uint_64t wbuf[16]; |
| 116 | } sha512_ctx; |
| 117 | |
| 118 | typedef sha512_ctx sha384_ctx; |
| 119 | |
| 120 | typedef struct |
| 121 | { union |
| 122 | { sha256_ctx ctx256[1]; |
| 123 | sha512_ctx ctx512[1]; |
| 124 | } uu[1]; |
| 125 | uint_32t sha2_len; |
| 126 | } sha2_ctx; |
| 127 | |
| 128 | VOID_RETURN sha512_compile(sha512_ctx ctx[1]); |
| 129 | |
| 130 | VOID_RETURN sha384_begin(sha384_ctx ctx[1]); |
| 131 | #define sha384_hash sha512_hash |
| 132 | VOID_RETURN sha384_end(unsigned char hval[], sha384_ctx ctx[1]); |
| 133 | VOID_RETURN sha384(unsigned char hval[], const unsigned char data[], unsigned long len); |
| 134 | |
| 135 | VOID_RETURN sha512_begin(sha512_ctx ctx[1]); |
| 136 | VOID_RETURN sha512_hash(const unsigned char data[], unsigned long len, sha512_ctx ctx[1]); |
| 137 | VOID_RETURN sha512_end(unsigned char hval[], sha512_ctx ctx[1]); |
| 138 | VOID_RETURN sha512(unsigned char hval[], const unsigned char data[], unsigned long len); |
| 139 | |
| 140 | INT_RETURN sha2_begin(unsigned long size, sha2_ctx ctx[1]); |
| 141 | VOID_RETURN sha2_hash(const unsigned char data[], unsigned long len, sha2_ctx ctx[1]); |
| 142 | VOID_RETURN sha2_end(unsigned char hval[], sha2_ctx ctx[1]); |
Alexandre Lision | 907ed2e | 2014-02-04 10:33:09 -0500 | [diff] [blame^] | 143 | INT_RETURN sha2_all(unsigned char hval[], unsigned long size, const unsigned char data[], unsigned long len); |
Alexandre Lision | 7fd5d3d | 2013-12-04 13:06:40 -0500 | [diff] [blame] | 144 | |
| 145 | #endif |
| 146 | |
| 147 | #if defined(__cplusplus) |
| 148 | } |
| 149 | #endif |
| 150 | |
| 151 | #endif |