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libavutil
md5.h
Go to the documentation of this file.
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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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#ifndef AVUTIL_MD5_H
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#define AVUTIL_MD5_H
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#include <stdint.h>
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#include "
attributes.h
"
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#include "
version.h
"
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/**
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* @defgroup lavu_md5 MD5
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* @ingroup lavu_crypto
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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
,
int
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
,
const
int
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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