libaaruformat 1.0 Aaru Data Preservation Suite - Format Library

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sha1.h
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1/*
2 * Public domain or MIT-licensed SHA-1 implementation for libaaruformat.
3 *
4 * Based on a clean-room implementation referencing the FIPS PUB 180-1 specification.
5 *
6 * This code is released into the public domain. If that is not recognized
7 * in your jurisdiction, you may treat it under the terms of the MIT license:
8 *
9 * MIT License
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included in all
18 * copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * SOFTWARE.
27 */
28#ifndef LIBAARUFORMAT_SHA1_H
29#define LIBAARUFORMAT_SHA1_H
30
31#include <stdint.h>
32
33#ifdef __cplusplus
34 extern "C"
35{
36#endif
37
38#ifndef SHA1_DIGEST_LENGTH
39#define SHA1_DIGEST_LENGTH 20
40#endif
41
42 typedef struct
43 {
44 uint32_t state[5]; /* A,B,C,D,E */
45 uint64_t count; /* Bits processed */
46 uint8_t buffer[64];
47 } sha1_ctx;
48
49#ifdef __cplusplus
50}
51#endif
52
53#endif /* LIBAARUFORMAT_SHA1_H */
sha1_ctx
Definition sha1.h:43
sha1_ctx::count
uint64_t count
Definition sha1.h:45
sha1_ctx::buffer
uint8_t buffer[64]
Definition sha1.h:46
sha1_ctx::state
uint32_t state[5]
Definition sha1.h:44