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| | |
| | | /* |
| | | * 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 <stddef.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 |
| | | */ |
| | | #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_sum(uint8_t *dst, const uint8_t *src, const int len); |
| | | #else |
| | | void av_md5_sum(uint8_t *dst, const uint8_t *src, size_t len); |
| | | #endif |
| | | |
| | | /** |
| | | * @} |
| | | */ |
| | | |
| | | #endif /* AVUTIL_MD5_H */ |