1 /* Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL 2 * project 1999. */ 3 /* ==================================================================== 4 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * 3. All advertising materials mentioning features or use of this 19 * software must display the following acknowledgment: 20 * "This product includes software developed by the OpenSSL Project 21 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 22 * 23 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 24 * endorse or promote products derived from this software without 25 * prior written permission. For written permission, please contact 26 * licensing (at) OpenSSL.org. 27 * 28 * 5. Products derived from this software may not be called "OpenSSL" 29 * nor may "OpenSSL" appear in their names without prior written 30 * permission of the OpenSSL Project. 31 * 32 * 6. Redistributions of any form whatsoever must retain the following 33 * acknowledgment: 34 * "This product includes software developed by the OpenSSL Project 35 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 36 * 37 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 38 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 39 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 40 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 43 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 44 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 46 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 47 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 48 * OF THE POSSIBILITY OF SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This product includes cryptographic software written by Eric Young 52 * (eay (at) cryptsoft.com). This product includes software written by Tim 53 * Hudson (tjh (at) cryptsoft.com). */ 54 55 #include <string.h> 56 57 #include <openssl/base64.h> 58 #include <openssl/err.h> 59 #include <openssl/mem.h> 60 #include <openssl/x509.h> 61 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 size_t spki_len; 83 NETSCAPE_SPKI *spki; 84 if (len <= 0) 85 len = strlen(str); 86 if (!EVP_DecodedLength(&spki_len, len)) { 87 OPENSSL_PUT_ERROR(X509, X509_R_BASE64_DECODE_ERROR); 88 return NULL; 89 } 90 if (!(spki_der = OPENSSL_malloc(spki_len))) { 91 OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE); 92 return NULL; 93 } 94 if (!EVP_DecodeBase64(spki_der, &spki_len, spki_len, (const uint8_t *)str, len)) { 95 OPENSSL_PUT_ERROR(X509, X509_R_BASE64_DECODE_ERROR); 96 OPENSSL_free(spki_der); 97 return NULL; 98 } 99 p = spki_der; 100 spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len); 101 OPENSSL_free(spki_der); 102 return spki; 103 } 104 105 /* Generate a base64 encoded string from an SPKI */ 106 107 char * NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki) 108 { 109 unsigned char *der_spki, *p; 110 char *b64_str; 111 size_t b64_len; 112 int der_len; 113 der_len = i2d_NETSCAPE_SPKI(spki, NULL); 114 if (!EVP_EncodedLength(&b64_len, der_len)) 115 { 116 OPENSSL_PUT_ERROR(X509, ERR_R_OVERFLOW); 117 return NULL; 118 } 119 der_spki = OPENSSL_malloc(der_len); 120 if (der_spki == NULL) { 121 OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE); 122 return NULL; 123 } 124 b64_str = OPENSSL_malloc(b64_len); 125 if (b64_str == NULL) { 126 OPENSSL_free(der_spki); 127 OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE); 128 return NULL; 129 } 130 p = der_spki; 131 i2d_NETSCAPE_SPKI(spki, &p); 132 EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len); 133 OPENSSL_free(der_spki); 134 return b64_str; 135 } 136
