yuzu/externals/ffmpeg/libavutil/tests/aes_ctr.c

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2021-02-09 07:25:58 +04:00
/*
* 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
*/
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/aes_ctr.h"
static const DECLARE_ALIGNED(8, uint8_t, plain)[] = {
0x6d, 0x6f, 0x73, 0x74, 0x20, 0x72, 0x61, 0x6e, 0x64, 0x6f, 0x6d
};
static DECLARE_ALIGNED(8, uint8_t, tmp)[11];
int main (void)
{
int ret = 1;
struct AVAESCTR *ae, *ad;
const uint8_t *iv;
ae = av_aes_ctr_alloc();
ad = av_aes_ctr_alloc();
if (!ae || !ad)
goto ERROR;
if (av_aes_ctr_init(ae, (const uint8_t*)"0123456789abcdef") < 0)
goto ERROR;
if (av_aes_ctr_init(ad, (const uint8_t*)"0123456789abcdef") < 0)
goto ERROR;
av_aes_ctr_set_random_iv(ae);
iv = av_aes_ctr_get_iv(ae);
av_aes_ctr_set_full_iv(ad, iv);
av_aes_ctr_crypt(ae, tmp, plain, sizeof(tmp));
av_aes_ctr_crypt(ad, tmp, tmp, sizeof(tmp));
if (memcmp(tmp, plain, sizeof(tmp)) != 0){
av_log(NULL, AV_LOG_ERROR, "test failed\n");
goto ERROR;
}
av_log(NULL, AV_LOG_INFO, "test passed\n");
ret = 0;
ERROR:
av_aes_ctr_free(ae);
av_aes_ctr_free(ad);
return ret;
}