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ffmpeg-4.2.2/libavutil/tests/ripemd.c 3.06 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
   * Copyright (C) 2013 James Almer
   *
   * 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 <stdio.h>
  
  #include "libavutil/mem.h"
  #include "libavutil/ripemd.h"
  
  int main(void)
  {
      int i, j, k;
      struct AVRIPEMD *ctx;
      unsigned char digest[40];
      static const int lengths[4] = { 128, 160, 256, 320 };
  
      ctx = av_ripemd_alloc();
      if (!ctx)
          return 1;
  
      for (j = 0; j < 4; j++) {
          printf("Testing RIPEMD-%d\n", lengths[j]);
          for (k = 0; k < 3; k++) {
              av_ripemd_init(ctx, lengths[j]);
              if (k == 0)
                  av_ripemd_update(ctx, "abc", 3);
              else if (k == 1)
                  av_ripemd_update(ctx, "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 56);
              else
                  for (i = 0; i < 1000*1000; i++)
                      av_ripemd_update(ctx, "a", 1);
              av_ripemd_final(ctx, digest);
              for (i = 0; i < lengths[j] >> 3; i++)
                  printf("%02X", digest[i]);
              putchar('\n');
          }
          switch (j) { //test vectors (from ISO:IEC 10118-3 (2004) and http://homes.esat.kuleuven.be/~bosselae/ripemd160.html)
          case 0:
              printf("c14a1219 9c66e4ba 84636b0f 69144c77\n"
                     "a1aa0689 d0fafa2d dc22e88b 49133a06\n"
                     "4a7f5723 f954eba1 216c9d8f 6320431f\n");
              break;
          case 1:
              printf("8eb208f7 e05d987a 9b044a8e 98c6b087 f15a0bfc\n"
                     "12a05338 4a9c0c88 e405a06c 27dcf49a da62eb2b\n"
                     "52783243 c1697bdb e16d37f9 7f68f083 25dc1528\n");
              break;
          case 2:
              printf("afbd6e22 8b9d8cbb cef5ca2d 03e6dba1 0ac0bc7d cbe4680e 1e42d2e9 75459b65\n"
                     "38430455 83aac6c8 c8d91285 73e7a980 9afb2a0f 34ccc36e a9e72f16 f6368e3f\n"
                     "ac953744 e10e3151 4c150d4d 8d7b6773 42e33399 788296e4 3ae4850c e4f97978\n");
              break;
          case 3:
              printf("de4c01b3 054f8930 a79d09ae 738e9230 1e5a1708 5beffdc1 b8d11671 3e74f82f a942d64c dbc4682d\n"
                     "d034a795 0cf72202 1ba4b84d f769a5de 2060e259 df4c9bb4 a4268c0e 935bbc74 70a969c9 d072a1ac\n"
                     "bdee37f4 371e2064 6b8b0d86 2dda1629 2ae36f40 965e8c85 09e63d1d bddecc50 3e2b63eb 9245bb66\n");
              break;
          }
      }
      av_free(ctx);
  
      return 0;
  }