2 * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
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.
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.
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
24 * Public header for MD5 hash function implementation.
33 #include "attributes.h"
37 * @defgroup lavu_md5 MD5
39 * MD5 hash function implementation.
44 extern const int av_md5_size;
49 * Allocate an AVMD5 context.
51 struct AVMD5 *av_md5_alloc(void);
54 * Initialize MD5 hashing.
56 * @param ctx pointer to the function context (of size av_md5_size)
58 void av_md5_init(struct AVMD5 *ctx);
63 * @param ctx hash function context
64 * @param src input data to update hash with
65 * @param len input data length
67 void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, size_t len);
70 * Finish hashing and output digest value.
72 * @param ctx hash function context
73 * @param dst buffer where output digest value is stored
75 void av_md5_final(struct AVMD5 *ctx, uint8_t *dst);
78 * Hash an array of data.
80 * @param dst The output buffer to write the digest into
81 * @param src The data to hash
82 * @param len The length of the data, in bytes
84 void av_md5_sum(uint8_t *dst, const uint8_t *src, size_t len);
90 #endif /* AVUTIL_MD5_H */