44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/*
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* copyright (c) 2015 rcombs
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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_AES_INTERNAL_H
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#define AVUTIL_AES_INTERNAL_H
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#include "mem_internal.h"
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#include <stdint.h>
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typedef union {
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uint64_t u64[2];
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uint32_t u32[4];
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uint8_t u8x4[4][4];
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uint8_t u8[16];
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} av_aes_block;
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typedef struct AVAES {
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// Note: round_key[16] is accessed in the init code, but this only
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// overwrites state, which does not matter (see also commit ba554c0).
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DECLARE_ALIGNED(16, av_aes_block, round_key)[15];
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DECLARE_ALIGNED(16, av_aes_block, state)[2];
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int rounds;
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void (*crypt)(struct AVAES *a, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int rounds);
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} AVAES;
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#endif /* AVUTIL_AES_INTERNAL_H */
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