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dsatest.c 3.7 KB

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  1. /*
  2. * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  3. *
  4. * Licensed under the Apache License 2.0 (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 <stdlib.h>
  11. #include <string.h>
  12. #include <sys/types.h>
  13. #include <sys/stat.h>
  14. #include <openssl/crypto.h>
  15. #include <openssl/rand.h>
  16. #include <openssl/bn.h>
  17. #include <openssl/dsa.h>
  18. #include "testutil.h"
  19. #include "internal/nelem.h"
  20. #ifndef OPENSSL_NO_DSA
  21. static int dsa_cb(int p, int n, BN_GENCB *arg);
  22. /*
  23. * seed, out_p, out_q, out_g are taken from the updated Appendix 5 to FIPS
  24. * PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1
  25. */
  26. static unsigned char seed[20] = {
  27. 0xd5, 0x01, 0x4e, 0x4b, 0x60, 0xef, 0x2b, 0xa8, 0xb6, 0x21, 0x1b, 0x40,
  28. 0x62, 0xba, 0x32, 0x24, 0xe0, 0x42, 0x7d, 0xd3,
  29. };
  30. static unsigned char out_p[] = {
  31. 0x8d, 0xf2, 0xa4, 0x94, 0x49, 0x22, 0x76, 0xaa,
  32. 0x3d, 0x25, 0x75, 0x9b, 0xb0, 0x68, 0x69, 0xcb,
  33. 0xea, 0xc0, 0xd8, 0x3a, 0xfb, 0x8d, 0x0c, 0xf7,
  34. 0xcb, 0xb8, 0x32, 0x4f, 0x0d, 0x78, 0x82, 0xe5,
  35. 0xd0, 0x76, 0x2f, 0xc5, 0xb7, 0x21, 0x0e, 0xaf,
  36. 0xc2, 0xe9, 0xad, 0xac, 0x32, 0xab, 0x7a, 0xac,
  37. 0x49, 0x69, 0x3d, 0xfb, 0xf8, 0x37, 0x24, 0xc2,
  38. 0xec, 0x07, 0x36, 0xee, 0x31, 0xc8, 0x02, 0x91,
  39. };
  40. static unsigned char out_q[] = {
  41. 0xc7, 0x73, 0x21, 0x8c, 0x73, 0x7e, 0xc8, 0xee,
  42. 0x99, 0x3b, 0x4f, 0x2d, 0xed, 0x30, 0xf4, 0x8e,
  43. 0xda, 0xce, 0x91, 0x5f,
  44. };
  45. static unsigned char out_g[] = {
  46. 0x62, 0x6d, 0x02, 0x78, 0x39, 0xea, 0x0a, 0x13,
  47. 0x41, 0x31, 0x63, 0xa5, 0x5b, 0x4c, 0xb5, 0x00,
  48. 0x29, 0x9d, 0x55, 0x22, 0x95, 0x6c, 0xef, 0xcb,
  49. 0x3b, 0xff, 0x10, 0xf3, 0x99, 0xce, 0x2c, 0x2e,
  50. 0x71, 0xcb, 0x9d, 0xe5, 0xfa, 0x24, 0xba, 0xbf,
  51. 0x58, 0xe5, 0xb7, 0x95, 0x21, 0x92, 0x5c, 0x9c,
  52. 0xc4, 0x2e, 0x9f, 0x6f, 0x46, 0x4b, 0x08, 0x8c,
  53. 0xc5, 0x72, 0xaf, 0x53, 0xe6, 0xd7, 0x88, 0x02,
  54. };
  55. static const unsigned char str1[] = "12345678901234567890";
  56. static int dsa_test(void)
  57. {
  58. BN_GENCB *cb;
  59. DSA *dsa = NULL;
  60. int counter, ret = 0, i, j;
  61. unsigned char buf[256];
  62. unsigned long h;
  63. unsigned char sig[256];
  64. unsigned int siglen;
  65. const BIGNUM *p = NULL, *q = NULL, *g = NULL;
  66. if (!TEST_ptr(cb = BN_GENCB_new()))
  67. goto end;
  68. BN_GENCB_set(cb, dsa_cb, NULL);
  69. if (!TEST_ptr(dsa = DSA_new())
  70. || !TEST_true(DSA_generate_parameters_ex(dsa, 512, seed, 20,
  71. &counter, &h, cb)))
  72. goto end;
  73. if (!TEST_int_eq(counter, 105))
  74. goto end;
  75. if (!TEST_int_eq(h, 2))
  76. goto end;
  77. DSA_get0_pqg(dsa, &p, &q, &g);
  78. i = BN_bn2bin(q, buf);
  79. j = sizeof(out_q);
  80. if (!TEST_int_eq(i, j) || !TEST_mem_eq(buf, i, out_q, i))
  81. goto end;
  82. i = BN_bn2bin(p, buf);
  83. j = sizeof(out_p);
  84. if (!TEST_int_eq(i, j) || !TEST_mem_eq(buf, i, out_p, i))
  85. goto end;
  86. i = BN_bn2bin(g, buf);
  87. j = sizeof(out_g);
  88. if (!TEST_int_eq(i, j) || !TEST_mem_eq(buf, i, out_g, i))
  89. goto end;
  90. DSA_generate_key(dsa);
  91. DSA_sign(0, str1, 20, sig, &siglen, dsa);
  92. if (TEST_true(DSA_verify(0, str1, 20, sig, siglen, dsa)))
  93. ret = 1;
  94. end:
  95. DSA_free(dsa);
  96. BN_GENCB_free(cb);
  97. return ret;
  98. }
  99. static int dsa_cb(int p, int n, BN_GENCB *arg)
  100. {
  101. static int ok = 0, num = 0;
  102. if (p == 0)
  103. num++;
  104. if (p == 2)
  105. ok++;
  106. if (!ok && (p == 0) && (num > 1)) {
  107. TEST_error("dsa_cb error");
  108. return 0;
  109. }
  110. return 1;
  111. }
  112. #endif /* OPENSSL_NO_DSA */
  113. int setup_tests(void)
  114. {
  115. #ifndef OPENSSL_NO_DSA
  116. ADD_TEST(dsa_test);
  117. #endif
  118. return 1;
  119. }