release/src/router/openssl/crypto/x509/x509spki.c

   1 /* x509spki.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) 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
  59 #include <stdio.h>
  60 #include "cryptlib.h"
  61 #include <openssl/x509.h>
  62
  63 int NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey)
  64 {
  65         if ((x == NULL) || (x->spkac == NULL)) return(0);
  66         return(X509_PUBKEY_set(&(x->spkac->pubkey),pkey));
  67 }
  68
  69 EVP_PKEY *NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI *x)
  70 {
  71         if ((x == NULL) || (x->spkac == NULL))
  72                 return(NULL);
  73         return(X509_PUBKEY_get(x->spkac->pubkey));
  74 }
  75
  76 /* Load a Netscape SPKI from a base64 encoded string */
  77
  78 NETSCAPE_SPKI * NETSCAPE_SPKI_b64_decode(const char *str, int len)
  79 {
  80         unsigned char *spki_der;
  81         const unsigned char *p;
  82         int spki_len;
  83         NETSCAPE_SPKI *spki;
  84         if(len <= 0) len = strlen(str);
  85         if (!(spki_der = OPENSSL_malloc(len + 1))) {
  86                 X509err(X509_F_NETSCAPE_SPKI_B64_DECODE, ERR_R_MALLOC_FAILURE);
  87                 return NULL;
  88         }
  89         spki_len = EVP_DecodeBlock(spki_der, (const unsigned char *)str, len);
  90         if(spki_len < 0) {
  91                 X509err(X509_F_NETSCAPE_SPKI_B64_DECODE,
  92                                                 X509_R_BASE64_DECODE_ERROR);
  93                 OPENSSL_free(spki_der);
  94                 return NULL;
  95         }
  96         p = spki_der;
  97         spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
  98         OPENSSL_free(spki_der);
  99         return spki;
 100 }
 101
 102 /* Generate a base64 encoded string from an SPKI */
 103
 104 char * NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki)
 105 {
 106         unsigned char *der_spki, *p;
 107         char *b64_str;
 108         int der_len;
 109         der_len = i2d_NETSCAPE_SPKI(spki, NULL);
 110         der_spki = OPENSSL_malloc(der_len);
 111         b64_str = OPENSSL_malloc(der_len * 2);
 112         if(!der_spki || !b64_str) {
 113                 X509err(X509_F_NETSCAPE_SPKI_B64_ENCODE, ERR_R_MALLOC_FAILURE);
 114                 return NULL;
 115         }
 116         p = der_spki;
 117         i2d_NETSCAPE_SPKI(spki, &p);
 118         EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len);
 119         OPENSSL_free(der_spki);
 120         return b64_str;
 121 }