casttest.c 3.1 KB

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  1. /*
  2. * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  3. *
  4. * Licensed under the OpenSSL license (the "License"). You may not use
  5. * this file except in compliance with the License. You can obtain a copy
  6. * in the file LICENSE in the source distribution or at
  7. * https://www.openssl.org/source/license.html
  8. */
  9. #include <stdio.h>
  10. #include <string.h>
  11. #include <stdlib.h>
  12. #include <openssl/opensslconf.h> /* To see if OPENSSL_NO_CAST is defined */
  13. #include "internal/nelem.h"
  14. #include "testutil.h"
  15. #ifndef OPENSSL_NO_CAST
  16. # include <openssl/cast.h>
  17. static unsigned char k[16] = {
  18. 0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78,
  19. 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A
  20. };
  21. static unsigned char in[8] =
  22. { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF };
  23. static int k_len[3] = { 16, 10, 5 };
  24. static unsigned char c[3][8] = {
  25. {0x23, 0x8B, 0x4F, 0xE5, 0x84, 0x7E, 0x44, 0xB2},
  26. {0xEB, 0x6A, 0x71, 0x1A, 0x2C, 0x02, 0x27, 0x1B},
  27. {0x7A, 0xC8, 0x16, 0xD1, 0x6E, 0x9B, 0x30, 0x2E},
  28. };
  29. static unsigned char in_a[16] = {
  30. 0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78,
  31. 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A
  32. };
  33. static unsigned char in_b[16] = {
  34. 0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78,
  35. 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A
  36. };
  37. static unsigned char c_a[16] = {
  38. 0xEE, 0xA9, 0xD0, 0xA2, 0x49, 0xFD, 0x3B, 0xA6,
  39. 0xB3, 0x43, 0x6F, 0xB8, 0x9D, 0x6D, 0xCA, 0x92
  40. };
  41. static unsigned char c_b[16] = {
  42. 0xB2, 0xC9, 0x5E, 0xB0, 0x0C, 0x31, 0xAD, 0x71,
  43. 0x80, 0xAC, 0x05, 0xB8, 0xE8, 0x3D, 0x69, 0x6E
  44. };
  45. static int cast_test_vector(int z)
  46. {
  47. int testresult = 1;
  48. CAST_KEY key;
  49. unsigned char out[80];
  50. CAST_set_key(&key, k_len[z], k);
  51. CAST_ecb_encrypt(in, out, &key, CAST_ENCRYPT);
  52. if (!TEST_mem_eq(out, sizeof(c[z]), c[z], sizeof(c[z]))) {
  53. TEST_info("CAST_ENCRYPT iteration %d failed (len=%d)", z, k_len[z]);
  54. testresult = 0;
  55. }
  56. CAST_ecb_encrypt(out, out, &key, CAST_DECRYPT);
  57. if (!TEST_mem_eq(out, sizeof(in), in, sizeof(in))) {
  58. TEST_info("CAST_DECRYPT iteration %d failed (len=%d)", z, k_len[z]);
  59. testresult = 0;
  60. }
  61. return testresult;
  62. }
  63. static int cast_test_iterations(void)
  64. {
  65. long l;
  66. int testresult = 1;
  67. CAST_KEY key, key_b;
  68. unsigned char out_a[16], out_b[16];
  69. memcpy(out_a, in_a, sizeof(in_a));
  70. memcpy(out_b, in_b, sizeof(in_b));
  71. for (l = 0; l < 1000000L; l++) {
  72. CAST_set_key(&key_b, 16, out_b);
  73. CAST_ecb_encrypt(&(out_a[0]), &(out_a[0]), &key_b, CAST_ENCRYPT);
  74. CAST_ecb_encrypt(&(out_a[8]), &(out_a[8]), &key_b, CAST_ENCRYPT);
  75. CAST_set_key(&key, 16, out_a);
  76. CAST_ecb_encrypt(&(out_b[0]), &(out_b[0]), &key, CAST_ENCRYPT);
  77. CAST_ecb_encrypt(&(out_b[8]), &(out_b[8]), &key, CAST_ENCRYPT);
  78. }
  79. if (!TEST_mem_eq(out_a, sizeof(c_a), c_a, sizeof(c_a))
  80. || !TEST_mem_eq(out_b, sizeof(c_b), c_b, sizeof(c_b)))
  81. testresult = 0;
  82. return testresult;
  83. }
  84. #endif
  85. int setup_tests(void)
  86. {
  87. #ifndef OPENSSL_NO_CAST
  88. ADD_ALL_TESTS(cast_test_vector, OSSL_NELEM(k_len));
  89. ADD_TEST(cast_test_iterations);
  90. #endif
  91. return 1;
  92. }