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84 lines
2.1 KiB
84 lines
2.1 KiB
2 years ago
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/*
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* Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
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* Copyright (C) 2013 James Almer <jamrial@gmail.com>
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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_ripemd
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* Public header for RIPEMD hash function implementation.
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*/
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#ifndef AVUTIL_RIPEMD_H
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#define AVUTIL_RIPEMD_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_ripemd RIPEMD
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* @ingroup lavu_hash
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* RIPEMD hash function implementation.
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*
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* @{
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*/
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extern const int av_ripemd_size;
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struct AVRIPEMD;
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/**
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* Allocate an AVRIPEMD context.
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*/
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struct AVRIPEMD *av_ripemd_alloc(void);
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/**
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* Initialize RIPEMD hashing.
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*
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* @param context pointer to the function context (of size av_ripemd_size)
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* @param bits number of bits in digest (128, 160, 256 or 320 bits)
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* @return zero if initialization succeeded, -1 otherwise
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*/
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int av_ripemd_init(struct AVRIPEMD* context, int bits);
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/**
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* Update hash value.
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*
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* @param context hash function context
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* @param data 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_ripemd_update(struct AVRIPEMD* context, const uint8_t* data, unsigned 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 context hash function context
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* @param digest buffer where output digest value is stored
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*/
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void av_ripemd_final(struct AVRIPEMD* context, uint8_t *digest);
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/**
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* @}
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*/
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#endif /* AVUTIL_RIPEMD_H */
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