/* * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * @ingroup lavu_md5 * Public header for MD5 hash function implementation. */ #ifndef AVUTIL_MD5_H #define AVUTIL_MD5_H #include <stdint.h> #include "attributes.h" #include "version.h" /** * @defgroup lavu_md5 MD5 * @ingroup lavu_hash * MD5 hash function implementation. * * @{ */ extern const int av_md5_size; struct AVMD5; /** * Allocate an AVMD5 context. */ struct AVMD5 *av_md5_alloc(void); /** * Initialize MD5 hashing. * * @param ctx pointer to the function context (of size av_md5_size) */ void av_md5_init(struct AVMD5 *ctx); /** * Update hash value. * * @param ctx hash function context * @param src input data to update hash with * @param len input data length */ void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, int len); /** * Finish hashing and output digest value. * * @param ctx hash function context * @param dst buffer where output digest value is stored */ void av_md5_final(struct AVMD5 *ctx, uint8_t *dst); /** * Hash an array of data. * * @param dst The output buffer to write the digest into * @param src The data to hash * @param len The length of the data, in bytes */ void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len); /** * @} */ #endif /* AVUTIL_MD5_H */