Mercurial > hg > forks > libbpg
comparison libavutil/ripemd.h @ 0:772086c29cc7
Initial import.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Wed, 16 Nov 2016 11:16:33 +0200 |
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-1:000000000000 | 0:772086c29cc7 |
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1 /* | |
2 * Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at> | |
3 * Copyright (C) 2013 James Almer <jamrial@gmail.com> | |
4 * | |
5 * This file is part of FFmpeg. | |
6 * | |
7 * FFmpeg is free software; you can redistribute it and/or | |
8 * modify it under the terms of the GNU Lesser General Public | |
9 * License as published by the Free Software Foundation; either | |
10 * version 2.1 of the License, or (at your option) any later version. | |
11 * | |
12 * FFmpeg is distributed in the hope that it will be useful, | |
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Lesser General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Lesser General Public | |
18 * License along with FFmpeg; if not, write to the Free Software | |
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 */ | |
21 | |
22 #ifndef AVUTIL_RIPEMD_H | |
23 #define AVUTIL_RIPEMD_H | |
24 | |
25 #include <stdint.h> | |
26 | |
27 #include "attributes.h" | |
28 #include "version.h" | |
29 | |
30 /** | |
31 * @defgroup lavu_ripemd RIPEMD | |
32 * @ingroup lavu_crypto | |
33 * @{ | |
34 */ | |
35 | |
36 extern const int av_ripemd_size; | |
37 | |
38 struct AVRIPEMD; | |
39 | |
40 /** | |
41 * Allocate an AVRIPEMD context. | |
42 */ | |
43 struct AVRIPEMD *av_ripemd_alloc(void); | |
44 | |
45 /** | |
46 * Initialize RIPEMD hashing. | |
47 * | |
48 * @param context pointer to the function context (of size av_ripemd_size) | |
49 * @param bits number of bits in digest (128, 160, 256 or 320 bits) | |
50 * @return zero if initialization succeeded, -1 otherwise | |
51 */ | |
52 int av_ripemd_init(struct AVRIPEMD* context, int bits); | |
53 | |
54 /** | |
55 * Update hash value. | |
56 * | |
57 * @param context hash function context | |
58 * @param data input data to update hash with | |
59 * @param len input data length | |
60 */ | |
61 void av_ripemd_update(struct AVRIPEMD* context, const uint8_t* data, unsigned int len); | |
62 | |
63 /** | |
64 * Finish hashing and output digest value. | |
65 * | |
66 * @param context hash function context | |
67 * @param digest buffer where output digest value is stored | |
68 */ | |
69 void av_ripemd_final(struct AVRIPEMD* context, uint8_t *digest); | |
70 | |
71 /** | |
72 * @} | |
73 */ | |
74 | |
75 #endif /* AVUTIL_RIPEMD_H */ |