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ffmpeg-4.2.2/libavutil/tests/aes_ctr.c 1.82 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * 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;
  }