1 /* x509spki.c */ 2 /* Written by Dr Stephen N Henson (steve (at) 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh (at) 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 } 122
