FFmpeg  1.2.4
sha.h
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1 /*
2  * Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef AVUTIL_SHA_H
22 #define AVUTIL_SHA_H
23 
24 #include <stdint.h>
25 
26 #include "attributes.h"
27 #include "version.h"
28 
35 extern const int av_sha_size;
36 
37 struct AVSHA;
38 
42 struct AVSHA *av_sha_alloc(void);
43 
51 int av_sha_init(struct AVSHA* context, int bits);
52 
60 void av_sha_update(struct AVSHA* context, const uint8_t* data, unsigned int len);
61 
68 void av_sha_final(struct AVSHA* context, uint8_t *digest);
69 
74 #endif /* AVUTIL_SHA_H */