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