x509spki.c 4.3 KB

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  1. /* x509spki.c */
  2. /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
  3. * project 1999.
  4. */
  5. /* ====================================================================
  6. * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
  7. *
  8. * Redistribution and use in source and binary forms, with or without
  9. * modification, are permitted provided that the following conditions
  10. * are met:
  11. *
  12. * 1. Redistributions of source code must retain the above copyright
  13. * notice, this list of conditions and the following disclaimer.
  14. *
  15. * 2. Redistributions in binary form must reproduce the above copyright
  16. * notice, this list of conditions and the following disclaimer in
  17. * the documentation and/or other materials provided with the
  18. * distribution.
  19. *
  20. * 3. All advertising materials mentioning features or use of this
  21. * software must display the following acknowledgment:
  22. * "This product includes software developed by the OpenSSL Project
  23. * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24. *
  25. * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26. * endorse or promote products derived from this software without
  27. * prior written permission. For written permission, please contact
  28. * licensing@OpenSSL.org.
  29. *
  30. * 5. Products derived from this software may not be called "OpenSSL"
  31. * nor may "OpenSSL" appear in their names without prior written
  32. * permission of the OpenSSL Project.
  33. *
  34. * 6. Redistributions of any form whatsoever must retain the following
  35. * acknowledgment:
  36. * "This product includes software developed by the OpenSSL Project
  37. * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38. *
  39. * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40. * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43. * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50. * OF THE POSSIBILITY OF SUCH DAMAGE.
  51. * ====================================================================
  52. *
  53. * This product includes cryptographic software written by Eric Young
  54. * (eay@cryptsoft.com). This product includes software written by Tim
  55. * Hudson (tjh@cryptsoft.com).
  56. *
  57. */
  58. #include <stdio.h>
  59. #include "cryptlib.h"
  60. #include <openssl/x509.h>
  61. int NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey)
  62. {
  63. if ((x == NULL) || (x->spkac == NULL)) return(0);
  64. return(X509_PUBKEY_set(&(x->spkac->pubkey),pkey));
  65. }
  66. EVP_PKEY *NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI *x)
  67. {
  68. if ((x == NULL) || (x->spkac == NULL))
  69. return(NULL);
  70. return(X509_PUBKEY_get(x->spkac->pubkey));
  71. }
  72. /* Load a Netscape SPKI from a base64 encoded string */
  73. NETSCAPE_SPKI * NETSCAPE_SPKI_b64_decode(const char *str, int len)
  74. {
  75. unsigned char *spki_der;
  76. const unsigned char *p;
  77. int spki_len;
  78. NETSCAPE_SPKI *spki;
  79. if(len <= 0) len = strlen(str);
  80. if (!(spki_der = OPENSSL_malloc(len + 1))) {
  81. X509err(X509_F_NETSCAPE_SPKI_B64_DECODE, ERR_R_MALLOC_FAILURE);
  82. return NULL;
  83. }
  84. spki_len = EVP_DecodeBlock(spki_der, (const unsigned char *)str, len);
  85. if(spki_len < 0) {
  86. X509err(X509_F_NETSCAPE_SPKI_B64_DECODE,
  87. X509_R_BASE64_DECODE_ERROR);
  88. OPENSSL_free(spki_der);
  89. return NULL;
  90. }
  91. p = spki_der;
  92. spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
  93. OPENSSL_free(spki_der);
  94. return spki;
  95. }
  96. /* Generate a base64 encoded string from an SPKI */
  97. char * NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki)
  98. {
  99. unsigned char *der_spki, *p;
  100. char *b64_str;
  101. int der_len;
  102. der_len = i2d_NETSCAPE_SPKI(spki, NULL);
  103. der_spki = OPENSSL_malloc(der_len);
  104. b64_str = OPENSSL_malloc(der_len * 2);
  105. if(!der_spki || !b64_str) {
  106. X509err(X509_F_NETSCAPE_SPKI_B64_ENCODE, ERR_R_MALLOC_FAILURE);
  107. return NULL;
  108. }
  109. p = der_spki;
  110. i2d_NETSCAPE_SPKI(spki, &p);
  111. EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len);
  112. OPENSSL_free(der_spki);
  113. return b64_str;
  114. }