sl@0: /* x509spki.c */
sl@0: /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
sl@0:  * project 1999.
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    licensing@OpenSSL.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include "cryptlib.h"
sl@0: #include <openssl/x509.h>
sl@0: 
sl@0: EXPORT_C int NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey)
sl@0: {
sl@0: 	if ((x == NULL) || (x->spkac == NULL)) return(0);
sl@0: 	return(X509_PUBKEY_set(&(x->spkac->pubkey),pkey));
sl@0: }
sl@0: 
sl@0: EXPORT_C EVP_PKEY *NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI *x)
sl@0: {
sl@0: 	if ((x == NULL) || (x->spkac == NULL))
sl@0: 		return(NULL);
sl@0: 	return(X509_PUBKEY_get(x->spkac->pubkey));
sl@0: }
sl@0: 
sl@0: /* Load a Netscape SPKI from a base64 encoded string */
sl@0: 
sl@0: EXPORT_C NETSCAPE_SPKI * NETSCAPE_SPKI_b64_decode(const char *str, int len)
sl@0: {
sl@0: 	unsigned char *spki_der;
sl@0: 	const unsigned char *p;
sl@0: 	int spki_len;
sl@0: 	NETSCAPE_SPKI *spki;
sl@0: 	if(len <= 0) len = strlen(str);
sl@0: 	if (!(spki_der = OPENSSL_malloc(len + 1))) {
sl@0: 		X509err(X509_F_NETSCAPE_SPKI_B64_DECODE, ERR_R_MALLOC_FAILURE);
sl@0: 		return NULL;
sl@0: 	}
sl@0: 	spki_len = EVP_DecodeBlock(spki_der, (const unsigned char *)str, len);
sl@0: 	if(spki_len < 0) {
sl@0: 		X509err(X509_F_NETSCAPE_SPKI_B64_DECODE,
sl@0: 						X509_R_BASE64_DECODE_ERROR);
sl@0: 		OPENSSL_free(spki_der);
sl@0: 		return NULL;
sl@0: 	}
sl@0: 	p = spki_der;
sl@0: 	spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
sl@0: 	OPENSSL_free(spki_der);
sl@0: 	return spki;
sl@0: }
sl@0: 
sl@0: /* Generate a base64 encoded string from an SPKI */
sl@0: 
sl@0: EXPORT_C char * NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki)
sl@0: {
sl@0: 	unsigned char *der_spki, *p;
sl@0: 	char *b64_str;
sl@0: 	int der_len;
sl@0: 	der_len = i2d_NETSCAPE_SPKI(spki, NULL);
sl@0: 	der_spki = OPENSSL_malloc(der_len);
sl@0: 	b64_str = OPENSSL_malloc(der_len * 2);
sl@0: 	if(!der_spki || !b64_str) {
sl@0: 		X509err(X509_F_NETSCAPE_SPKI_B64_ENCODE, ERR_R_MALLOC_FAILURE);
sl@0: 		return NULL;
sl@0: 	}
sl@0: 	p = der_spki;
sl@0: 	i2d_NETSCAPE_SPKI(spki, &p);
sl@0: 	EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len);
sl@0: 	OPENSSL_free(der_spki);
sl@0: 	return b64_str;
sl@0: }