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mdc2test.c 2.6 KB

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  1. /*
  2. * Copyright 1995-2022 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. /*
  10. * MDC2 low level APIs are deprecated for public use, but still ok for
  11. * internal use.
  12. */
  13. #include "internal/deprecated.h"
  14. #include <string.h>
  15. #include <openssl/provider.h>
  16. #include <openssl/params.h>
  17. #include <openssl/types.h>
  18. #include <openssl/core_names.h>
  19. #include "testutil.h"
  20. #if defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_MDC2)
  21. # define OPENSSL_NO_MDC2
  22. #endif
  23. #ifndef OPENSSL_NO_MDC2
  24. # include <openssl/evp.h>
  25. # include <openssl/mdc2.h>
  26. # ifdef CHARSET_EBCDIC
  27. # include <openssl/ebcdic.h>
  28. # endif
  29. static unsigned char pad1[16] = {
  30. 0x42, 0xE5, 0x0C, 0xD2, 0x24, 0xBA, 0xCE, 0xBA,
  31. 0x76, 0x0B, 0xDD, 0x2B, 0xD4, 0x09, 0x28, 0x1A
  32. };
  33. static unsigned char pad2[16] = {
  34. 0x2E, 0x46, 0x79, 0xB5, 0xAD, 0xD9, 0xCA, 0x75,
  35. 0x35, 0xD8, 0x7A, 0xFE, 0xAB, 0x33, 0xBE, 0xE2
  36. };
  37. static int test_mdc2(void)
  38. {
  39. int testresult = 0;
  40. unsigned int pad_type = 2;
  41. unsigned char md[MDC2_DIGEST_LENGTH];
  42. EVP_MD_CTX *c = NULL;
  43. static char text[] = "Now is the time for all ";
  44. size_t tlen = strlen(text), i = 0;
  45. OSSL_PROVIDER *prov = NULL;
  46. OSSL_PARAM params[2];
  47. params[i++] = OSSL_PARAM_construct_uint(OSSL_DIGEST_PARAM_PAD_TYPE,
  48. &pad_type),
  49. params[i++] = OSSL_PARAM_construct_end();
  50. prov = OSSL_PROVIDER_load(NULL, "legacy");
  51. if (!TEST_ptr(prov))
  52. goto end;
  53. # ifdef CHARSET_EBCDIC
  54. ebcdic2ascii(text, text, tlen);
  55. # endif
  56. c = EVP_MD_CTX_new();
  57. if (!TEST_ptr(c)
  58. || !TEST_true(EVP_DigestInit_ex(c, EVP_mdc2(), NULL))
  59. || !TEST_true(EVP_DigestUpdate(c, (unsigned char *)text, tlen))
  60. || !TEST_true(EVP_DigestFinal_ex(c, &(md[0]), NULL))
  61. || !TEST_mem_eq(md, MDC2_DIGEST_LENGTH, pad1, MDC2_DIGEST_LENGTH)
  62. || !TEST_true(EVP_DigestInit_ex(c, EVP_mdc2(), NULL)))
  63. goto end;
  64. if (!TEST_int_gt(EVP_MD_CTX_set_params(c, params), 0)
  65. || !TEST_true(EVP_DigestUpdate(c, (unsigned char *)text, tlen))
  66. || !TEST_true(EVP_DigestFinal_ex(c, &(md[0]), NULL))
  67. || !TEST_mem_eq(md, MDC2_DIGEST_LENGTH, pad2, MDC2_DIGEST_LENGTH))
  68. goto end;
  69. testresult = 1;
  70. end:
  71. EVP_MD_CTX_free(c);
  72. OSSL_PROVIDER_unload(prov);
  73. return testresult;
  74. }
  75. #endif
  76. int setup_tests(void)
  77. {
  78. #ifndef OPENSSL_NO_MDC2
  79. ADD_TEST(test_mdc2);
  80. #endif
  81. return 1;
  82. }