FFmpeg
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 
27 #ifndef AVUTIL_SHA_H
28 #define AVUTIL_SHA_H
29 
30 #include <stddef.h>
31 #include <stdint.h>
32 
33 #include "attributes.h"
34 #include "version.h"
35 
52 extern const int av_sha_size;
53 
54 struct AVSHA;
55 
59 struct AVSHA *av_sha_alloc(void);
60 
68 int av_sha_init(struct AVSHA* context, int bits);
69 
77 #if FF_API_CRYPTO_SIZE_T
78 void av_sha_update(struct AVSHA *ctx, const uint8_t *data, unsigned int len);
79 #else
80 void av_sha_update(struct AVSHA *ctx, const uint8_t *data, size_t len);
81 #endif
82 
89 void av_sha_final(struct AVSHA* context, uint8_t *digest);
90 
95 #endif /* AVUTIL_SHA_H */
void av_sha_final(struct AVSHA *context, uint8_t *digest)
Finish hashing and output digest value.
Definition: sha.c:345
hash context
Definition: sha.c:34
int av_sha_init(struct AVSHA *context, int bits)
Initialize SHA-1 or SHA-2 hashing.
Definition: sha.c:273
Macro definitions for various function/variable attributes.
Libavutil version macros.
void av_sha_update(struct AVSHA *ctx, const uint8_t *data, unsigned int len)
Update hash value.
Definition: sha.c:315
struct AVSHA * av_sha_alloc(void)
Allocate an AVSHA context.
Definition: sha.c:45