/* | |
* copyright (c) 2015 rcombs | |
* | |
* 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 | |
*/ | |
typedef union { | |
uint64_t u64[2]; | |
uint32_t u32[4]; | |
uint8_t u8x4[4][4]; | |
uint8_t u8[16]; | |
} av_aes_block; | |
typedef struct AVAES { | |
// Note: round_key[16] is accessed in the init code, but this only | |
// overwrites state, which does not matter (see also commit ba554c0). | |
DECLARE_ALIGNED(16, av_aes_block, round_key)[15]; | |
DECLARE_ALIGNED(16, av_aes_block, state)[2]; | |
int rounds; | |
void (*crypt)(struct AVAES *a, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int rounds); | |
} AVAES; | |