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libavutil
des.h
Go to the documentation of this file.
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/*
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* DES encryption/decryption
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* Copyright (c) 2007 Reimar Doeffinger
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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_DES_H
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#define AVUTIL_DES_H
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#include <stdint.h>
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struct
AVDES
{
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uint64_t
round_keys
[3][16];
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int
triple_des
;
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};
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int
av_des_init
(
struct
AVDES
*d,
const
uint8_t
*key,
int
key_bits,
int
decrypt);
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void
av_des_crypt
(
struct
AVDES
*d,
uint8_t
*
dst
,
const
uint8_t
*src,
int
count,
uint8_t
*iv,
int
decrypt);
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void
av_des_mac
(
struct
AVDES
*d,
uint8_t
*
dst
,
const
uint8_t
*src,
int
count);
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#endif
/* AVUTIL_DES_H */
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