projects / thirdparty / nettle.git / blame
| Commit | Line | Data |
|---|---|---|
| b72886e5 TZ |
1 | /* sm3.h |
| 2 | ||
| 3 | The SM3 hash function. | |
| 4 | ||
| 5 | Copyright (C) 2017 Jia Zhang | |
| 6 | Copyright (C) 2021 Tianjia Zhang <tianjia.zhang@linux.alibaba.com> | |
| 7 | ||
| 8 | This file is part of GNU Nettle. | |
| 9 | ||
| 10 | GNU Nettle is free software: you can redistribute it and/or | |
| 11 | modify it under the terms of either: | |
| 12 | ||
| 13 | * the GNU Lesser General Public License as published by the Free | |
| 14 | Software Foundation; either version 3 of the License, or (at your | |
| 15 | option) any later version. | |
| 16 | ||
| 17 | or | |
| 18 | ||
| 19 | * the GNU General Public License as published by the Free | |
| 20 | Software Foundation; either version 2 of the License, or (at your | |
| 21 | option) any later version. | |
| 22 | ||
| 23 | or both in parallel, as here. | |
| 24 | ||
| 25 | GNU Nettle is distributed in the hope that it will be useful, | |
| 26 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 27 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 28 | General Public License for more details. | |
| 29 | ||
| 30 | You should have received copies of the GNU General Public License and | |
| 31 | the GNU Lesser General Public License along with this program. If | |
| 32 | not, see http://www.gnu.org/licenses/. | |
| 33 | */ | |
| 34 | ||
| 35 | #ifndef NETTLE_SM3_H_INCLUDED | |
| 36 | #define NETTLE_SM3_H_INCLUDED | |
| 37 | ||
| 38 | #include "nettle-types.h" | |
| 39 | ||
| 40 | #ifdef __cplusplus | |
| 41 | extern "C" { | |
| 42 | #endif | |
| 43 | ||
| 44 | /* Name mangling */ | |
| 45 | #define sm3_init nettle_sm3_init | |
| 46 | #define sm3_update nettle_sm3_update | |
| 47 | #define sm3_digest nettle_sm3_digest | |
| 48 | ||
| 49 | #define SM3_DIGEST_SIZE 32 | |
| 50 | #define SM3_BLOCK_SIZE 64 | |
| 51 | ||
| 52 | /* Digest is kept internally as 8 32-bit words. */ | |
| 53 | #define _SM3_DIGEST_LENGTH 8 | |
| 54 | ||
| 55 | struct sm3_ctx | |
| 56 | { | |
| 57 | uint32_t state[_SM3_DIGEST_LENGTH]; | |
| 58 | uint64_t count; /* Block count */ | |
| 59 | unsigned index; /* Into buffer */ | |
| 60 | uint8_t block[SM3_BLOCK_SIZE]; /* Block buffer */ | |
| 61 | }; | |
| 62 | ||
| 63 | void | |
| 64 | sm3_init(struct sm3_ctx *ctx); | |
| 65 | ||
| 66 | void | |
| 67 | sm3_update(struct sm3_ctx *ctx, | |
| 68 | size_t length, | |
| 69 | const uint8_t *data); | |
| 70 | ||
| 71 | void | |
| 72 | sm3_digest(struct sm3_ctx *ctx, | |
| 73 | size_t length, | |
| 74 | uint8_t *digest); | |
| 75 | ||
| 76 | #ifdef __cplusplus | |
| 77 | } | |
| 78 | #endif | |
| 79 | ||
| 80 | #endif /* NETTLE_SM3_H_INCLUDED */ |