aes.h 1.1 KB
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/*
 * copyright (c) 2007 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
 */

#ifndef AES_H
#define AES_H

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extern const int av_aes_size;

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struct AVAES;

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/**
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 * initalizes a AVAES context
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 * @param key_bits 128, 192 or 256
 * @param decrypt 0 for encryption, 1 for decryption
 */
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int av_aes_init(struct AVAES *a, uint8_t *key, int key_bits, int decrypt);
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#endif /* AES_H */