/*
  * copyright (c) 2015 Rodger Combs <rodger.combs@gmail.com>
  *
  * 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 AVUTIL_AES_INTERNAL_H
 #define AVUTIL_AES_INTERNAL_H
 

 #include "mem.h"

 #include <stdint.h>
 
 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;
 
 #endif /* AVUTIL_AES_INTERNAL_H */