diff options
Diffstat (limited to 'libavutil/md5.h')
-rw-r--r-- | libavutil/md5.h | 59 |
1 files changed, 52 insertions, 7 deletions
diff --git a/libavutil/md5.h b/libavutil/md5.h index 55e7c23417..ca72ccbf83 100644 --- a/libavutil/md5.h +++ b/libavutil/md5.h @@ -1,23 +1,29 @@ /* * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * 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 @@ -29,20 +35,59 @@ /** * @defgroup lavu_md5 MD5 - * @ingroup lavu_crypto + * @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 + */ +#if FF_API_CRYPTO_SIZE_T +void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, int len); +#else +void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, size_t len); +#endif + +/** + * 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 + */ #if FF_API_CRYPTO_SIZE_T -void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, const int len); void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len); #else -void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, size_t len); void av_md5_sum(uint8_t *dst, const uint8_t *src, size_t len); #endif |