x509type.c 4.6 KB

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  1. /* crypto/x509/x509type.c */
  2. /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  3. * All rights reserved.
  4. *
  5. * This package is an SSL implementation written
  6. * by Eric Young (eay@cryptsoft.com).
  7. * The implementation was written so as to conform with Netscapes SSL.
  8. *
  9. * This library is free for commercial and non-commercial use as long as
  10. * the following conditions are aheared to. The following conditions
  11. * apply to all code found in this distribution, be it the RC4, RSA,
  12. * lhash, DES, etc., code; not just the SSL code. The SSL documentation
  13. * included with this distribution is covered by the same copyright terms
  14. * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15. *
  16. * Copyright remains Eric Young's, and as such any Copyright notices in
  17. * the code are not to be removed.
  18. * If this package is used in a product, Eric Young should be given attribution
  19. * as the author of the parts of the library used.
  20. * This can be in the form of a textual message at program startup or
  21. * in documentation (online or textual) provided with the package.
  22. *
  23. * Redistribution and use in source and binary forms, with or without
  24. * modification, are permitted provided that the following conditions
  25. * are met:
  26. * 1. Redistributions of source code must retain the copyright
  27. * notice, this list of conditions and the following disclaimer.
  28. * 2. Redistributions in binary form must reproduce the above copyright
  29. * notice, this list of conditions and the following disclaimer in the
  30. * documentation and/or other materials provided with the distribution.
  31. * 3. All advertising materials mentioning features or use of this software
  32. * must display the following acknowledgement:
  33. * "This product includes cryptographic software written by
  34. * Eric Young (eay@cryptsoft.com)"
  35. * The word 'cryptographic' can be left out if the rouines from the library
  36. * being used are not cryptographic related :-).
  37. * 4. If you include any Windows specific code (or a derivative thereof) from
  38. * the apps directory (application code) you must include an acknowledgement:
  39. * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40. *
  41. * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51. * SUCH DAMAGE.
  52. *
  53. * The licence and distribution terms for any publically available version or
  54. * derivative of this code cannot be changed. i.e. this code cannot simply be
  55. * copied and put under another distribution licence
  56. * [including the GNU Public Licence.]
  57. */
  58. #include <stdio.h>
  59. #include "cryptlib.h"
  60. #include <openssl/evp.h>
  61. #include <openssl/objects.h>
  62. #include <openssl/x509.h>
  63. int X509_certificate_type(X509 *x, EVP_PKEY *pkey)
  64. {
  65. EVP_PKEY *pk;
  66. int ret = 0, i;
  67. if (x == NULL)
  68. return (0);
  69. if (pkey == NULL)
  70. pk = X509_get_pubkey(x);
  71. else
  72. pk = pkey;
  73. if (pk == NULL)
  74. return (0);
  75. switch (pk->type) {
  76. case EVP_PKEY_RSA:
  77. ret = EVP_PK_RSA | EVP_PKT_SIGN;
  78. /* if (!sign only extension) */
  79. ret |= EVP_PKT_ENC;
  80. break;
  81. case EVP_PKEY_DSA:
  82. ret = EVP_PK_DSA | EVP_PKT_SIGN;
  83. break;
  84. case EVP_PKEY_EC:
  85. ret = EVP_PK_EC | EVP_PKT_SIGN | EVP_PKT_EXCH;
  86. break;
  87. case EVP_PKEY_DH:
  88. ret = EVP_PK_DH | EVP_PKT_EXCH;
  89. break;
  90. case NID_id_GostR3410_94:
  91. case NID_id_GostR3410_2001:
  92. ret = EVP_PKT_EXCH | EVP_PKT_SIGN;
  93. break;
  94. default:
  95. break;
  96. }
  97. i = OBJ_obj2nid(x->sig_alg->algorithm);
  98. if (i && OBJ_find_sigid_algs(i, NULL, &i)) {
  99. switch (i) {
  100. case NID_rsaEncryption:
  101. case NID_rsa:
  102. ret |= EVP_PKS_RSA;
  103. break;
  104. case NID_dsa:
  105. case NID_dsa_2:
  106. ret |= EVP_PKS_DSA;
  107. break;
  108. case NID_X9_62_id_ecPublicKey:
  109. ret |= EVP_PKS_EC;
  110. break;
  111. default:
  112. break;
  113. }
  114. }
  115. if (pkey == NULL)
  116. EVP_PKEY_free(pk);
  117. return (ret);
  118. }