aes.c 3.8 KB

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  1. /*
  2. * This file is part of FFmpeg.
  3. *
  4. * FFmpeg is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU Lesser General Public
  6. * License as published by the Free Software Foundation; either
  7. * version 2.1 of the License, or (at your option) any later version.
  8. *
  9. * FFmpeg is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. * Lesser General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU Lesser General Public
  15. * License along with FFmpeg; if not, write to the Free Software
  16. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17. */
  18. // LCOV_EXCL_START
  19. #include "libavutil/timer.h"
  20. #include <string.h>
  21. #include "libavutil/aes.h"
  22. #include "libavutil/lfg.h"
  23. #include "libavutil/log.h"
  24. #include "libavutil/mem.h"
  25. int main(int argc, char **argv)
  26. {
  27. int i, j;
  28. struct AVAES *b;
  29. static const uint8_t rkey[2][16] = {
  30. { 0 },
  31. { 0x10, 0xa5, 0x88, 0x69, 0xd7, 0x4b, 0xe5, 0xa3,
  32. 0x74, 0xcf, 0x86, 0x7c, 0xfb, 0x47, 0x38, 0x59 }
  33. };
  34. static const uint8_t rpt[2][16] = {
  35. { 0x6a, 0x84, 0x86, 0x7c, 0xd7, 0x7e, 0x12, 0xad,
  36. 0x07, 0xea, 0x1b, 0xe8, 0x95, 0xc5, 0x3f, 0xa3 },
  37. { 0 }
  38. };
  39. static const uint8_t rct[2][16] = {
  40. { 0x73, 0x22, 0x81, 0xc0, 0xa0, 0xaa, 0xb8, 0xf7,
  41. 0xa5, 0x4a, 0x0c, 0x67, 0xa0, 0xc4, 0x5e, 0xcf },
  42. { 0x6d, 0x25, 0x1e, 0x69, 0x44, 0xb0, 0x51, 0xe0,
  43. 0x4e, 0xaa, 0x6f, 0xb4, 0xdb, 0xf7, 0x84, 0x65 }
  44. };
  45. uint8_t pt[32];
  46. uint8_t temp[32];
  47. uint8_t iv[2][16];
  48. int err = 0;
  49. b = av_aes_alloc();
  50. if (!b)
  51. return 1;
  52. av_log_set_level(AV_LOG_DEBUG);
  53. for (i = 0; i < 2; i++) {
  54. av_aes_init(b, rkey[i], 128, 1);
  55. av_aes_crypt(b, temp, rct[i], 1, NULL, 1);
  56. for (j = 0; j < 16; j++) {
  57. if (rpt[i][j] != temp[j]) {
  58. av_log(NULL, AV_LOG_ERROR, "%d %02X %02X\n",
  59. j, rpt[i][j], temp[j]);
  60. err = 1;
  61. }
  62. }
  63. }
  64. av_free(b);
  65. if (argc > 1 && !strcmp(argv[1], "-t")) {
  66. struct AVAES *ae, *ad;
  67. AVLFG prng;
  68. ae = av_aes_alloc();
  69. ad = av_aes_alloc();
  70. if (!ae || !ad) {
  71. av_free(ae);
  72. av_free(ad);
  73. return 1;
  74. }
  75. av_aes_init(ae, (const uint8_t*)"PI=3.141592654..", 128, 0);
  76. av_aes_init(ad, (const uint8_t*)"PI=3.141592654..", 128, 1);
  77. av_lfg_init(&prng, 1);
  78. for (i = 0; i < 10000; i++) {
  79. for (j = 0; j < 32; j++)
  80. pt[j] = av_lfg_get(&prng);
  81. for (j = 0; j < 16; j++)
  82. iv[0][j] = iv[1][j] = av_lfg_get(&prng);
  83. {
  84. START_TIMER;
  85. av_aes_crypt(ae, temp, pt, 2, iv[0], 0);
  86. if (!(i & (i - 1)))
  87. av_log(NULL, AV_LOG_ERROR, "%02X %02X %02X %02X\n",
  88. temp[0], temp[5], temp[10], temp[15]);
  89. av_aes_crypt(ad, temp, temp, 2, iv[1], 1);
  90. av_aes_crypt(ae, temp, pt, 2, NULL, 0);
  91. if (!(i & (i - 1)))
  92. av_log(NULL, AV_LOG_ERROR, "%02X %02X %02X %02X\n",
  93. temp[0], temp[5], temp[10], temp[15]);
  94. av_aes_crypt(ad, temp, temp, 2, NULL, 1);
  95. STOP_TIMER("aes");
  96. }
  97. for (j = 0; j < 16; j++) {
  98. if (pt[j] != temp[j]) {
  99. av_log(NULL, AV_LOG_ERROR, "%d %d %02X %02X\n",
  100. i, j, pt[j], temp[j]);
  101. }
  102. }
  103. }
  104. av_free(ae);
  105. av_free(ad);
  106. }
  107. return err;
  108. }
  109. // LCOV_EXCL_STOP