x509spki.c revision 296465
1/* x509spki.c */ 2/* 3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4 * 1999. 5 */ 6/* ==================================================================== 7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. All advertising materials mentioning features or use of this 22 * software must display the following acknowledgment: 23 * "This product includes software developed by the OpenSSL Project 24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25 * 26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27 * endorse or promote products derived from this software without 28 * prior written permission. For written permission, please contact 29 * licensing@OpenSSL.org. 30 * 31 * 5. Products derived from this software may not be called "OpenSSL" 32 * nor may "OpenSSL" appear in their names without prior written 33 * permission of the OpenSSL Project. 34 * 35 * 6. Redistributions of any form whatsoever must retain the following 36 * acknowledgment: 37 * "This product includes software developed by the OpenSSL Project 38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51 * OF THE POSSIBILITY OF SUCH DAMAGE. 52 * ==================================================================== 53 * 54 * This product includes cryptographic software written by Eric Young 55 * (eay@cryptsoft.com). This product includes software written by Tim 56 * Hudson (tjh@cryptsoft.com). 57 * 58 */ 59 60#include <stdio.h> 61#include "cryptlib.h" 62#include <openssl/x509.h> 63 64int NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey) 65{ 66 if ((x == NULL) || (x->spkac == NULL)) 67 return (0); 68 return (X509_PUBKEY_set(&(x->spkac->pubkey), pkey)); 69} 70 71EVP_PKEY *NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI *x) 72{ 73 if ((x == NULL) || (x->spkac == NULL)) 74 return (NULL); 75 return (X509_PUBKEY_get(x->spkac->pubkey)); 76} 77 78/* Load a Netscape SPKI from a base64 encoded string */ 79 80NETSCAPE_SPKI *NETSCAPE_SPKI_b64_decode(const char *str, int len) 81{ 82 unsigned char *spki_der; 83 const unsigned char *p; 84 int spki_len; 85 NETSCAPE_SPKI *spki; 86 if (len <= 0) 87 len = strlen(str); 88 if (!(spki_der = OPENSSL_malloc(len + 1))) { 89 X509err(X509_F_NETSCAPE_SPKI_B64_DECODE, ERR_R_MALLOC_FAILURE); 90 return NULL; 91 } 92 spki_len = EVP_DecodeBlock(spki_der, (const unsigned char *)str, len); 93 if (spki_len < 0) { 94 X509err(X509_F_NETSCAPE_SPKI_B64_DECODE, X509_R_BASE64_DECODE_ERROR); 95 OPENSSL_free(spki_der); 96 return NULL; 97 } 98 p = spki_der; 99 spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len); 100 OPENSSL_free(spki_der); 101 return spki; 102} 103 104/* Generate a base64 encoded string from an SPKI */ 105 106char *NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki) 107{ 108 unsigned char *der_spki, *p; 109 char *b64_str; 110 int der_len; 111 der_len = i2d_NETSCAPE_SPKI(spki, NULL); 112 der_spki = OPENSSL_malloc(der_len); 113 b64_str = OPENSSL_malloc(der_len * 2); 114 if (!der_spki || !b64_str) { 115 X509err(X509_F_NETSCAPE_SPKI_B64_ENCODE, ERR_R_MALLOC_FAILURE); 116 return NULL; 117 } 118 p = der_spki; 119 i2d_NETSCAPE_SPKI(spki, &p); 120 EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len); 121 OPENSSL_free(der_spki); 122 return b64_str; 123} 124