1 /* 2 * Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL project 3 * 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 #include <string.h> 58 59 #include <openssl/base64.h> 60 #include <openssl/err.h> 61 #include <openssl/mem.h> 62 #include <openssl/x509.h> 63 64 int 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 71 EVP_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 80 NETSCAPE_SPKI *NETSCAPE_SPKI_b64_decode(const char *str, int len) 81 { 82 unsigned char *spki_der; 83 const unsigned char *p; 84 size_t spki_len; 85 NETSCAPE_SPKI *spki; 86 if (len <= 0) 87 len = strlen(str); 88 if (!EVP_DecodedLength(&spki_len, len)) { 89 OPENSSL_PUT_ERROR(X509, X509_R_BASE64_DECODE_ERROR); 90 return NULL; 91 } 92 if (!(spki_der = OPENSSL_malloc(spki_len))) { 93 OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE); 94 return NULL; 95 } 96 if (!EVP_DecodeBase64 97 (spki_der, &spki_len, spki_len, (const uint8_t *)str, len)) { 98 OPENSSL_PUT_ERROR(X509, X509_R_BASE64_DECODE_ERROR); 99 OPENSSL_free(spki_der); 100 return NULL; 101 } 102 p = spki_der; 103 spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len); 104 OPENSSL_free(spki_der); 105 return spki; 106 } 107 108 /* Generate a base64 encoded string from an SPKI */ 109 110 char *NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki) 111 { 112 unsigned char *der_spki, *p; 113 char *b64_str; 114 size_t b64_len; 115 int der_len; 116 der_len = i2d_NETSCAPE_SPKI(spki, NULL); 117 if (!EVP_EncodedLength(&b64_len, der_len)) { 118 OPENSSL_PUT_ERROR(X509, ERR_R_OVERFLOW); 119 return NULL; 120 } 121 der_spki = OPENSSL_malloc(der_len); 122 if (der_spki == NULL) { 123 OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE); 124 return NULL; 125 } 126 b64_str = OPENSSL_malloc(b64_len); 127 if (b64_str == NULL) { 128 OPENSSL_free(der_spki); 129 OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE); 130 return NULL; 131 } 132 p = der_spki; 133 i2d_NETSCAPE_SPKI(spki, &p); 134 EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len); 135 OPENSSL_free(der_spki); 136 return b64_str; 137 } 138
