x509spki.c revision 109998 
150472Speter/* x509spki.c */
238738Sbrian/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
375031Smurray * project 1999.
475031Smurray */
575031Smurray/* ====================================================================
675031Smurray * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
740361Snate *
8143462Sglebius * Redistribution and use in source and binary forms, with or without
9143462Sglebius * modification, are permitted provided that the following conditions
1092099Srwatson * are met:
1192100Srwatson *
1237Srgrimes * 1. Redistributions of source code must retain the above copyright
1337Srgrimes *    notice, this list of conditions and the following disclaimer.
14103738Smarkm *
1551033Sn_hibma * 2. Redistributions in binary form must reproduce the above copyright
16252481Sasomers *    notice, this list of conditions and the following disclaimer in
17113902Sdes *    the documentation and/or other materials provided with the
1837Srgrimes *    distribution.
1972580Sphk *
20237921Sbrueffer * 3. All advertising materials mentioning features or use of this
2172580Sphk *    software must display the following acknowledgment:
2257065Srwatson *    "This product includes software developed by the OpenSSL Project
2385626Sasmodai *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
2457065Srwatson *
2557065Srwatson * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
2657065Srwatson *    endorse or promote products derived from this software without
2719473Spst *    prior written permission. For written permission, please contact
2819473Spst *    licensing@OpenSSL.org.
2919473Spst *
3019473Spst * 5. Products derived from this software may not be called "OpenSSL"
31252481Sasomers *    nor may "OpenSSL" appear in their names without prior written
32252481Sasomers *    permission of the OpenSSL Project.
33260519Sasomers *
3426549Sache * 6. Redistributions of any form whatsoever must retain the following
3526549Sache *    acknowledgment:
36194005Savg *    "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@cryptsoft.com).  This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/x509.h>
62
63int 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
69EVP_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
78NETSCAPE_SPKI * NETSCAPE_SPKI_b64_decode(const char *str, int len)
79{
80	unsigned char *spki_der, *p;
81	int spki_len;
82	NETSCAPE_SPKI *spki;
83	if(len <= 0) len = strlen(str);
84	if (!(spki_der = OPENSSL_malloc(len + 1))) {
85		X509err(X509_F_NETSCAPE_SPKI_B64_DECODE, ERR_R_MALLOC_FAILURE);
86		return NULL;
87	}
88	spki_len = EVP_DecodeBlock(spki_der, (const unsigned char *)str, len);
89	if(spki_len < 0) {
90		X509err(X509_F_NETSCAPE_SPKI_B64_DECODE,
91						X509_R_BASE64_DECODE_ERROR);
92		OPENSSL_free(spki_der);
93		return NULL;
94	}
95	p = spki_der;
96	spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
97	OPENSSL_free(spki_der);
98	return spki;
99}
100
101/* Generate a base64 encoded string from an SPKI */
102
103char * NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki)
104{
105	unsigned char *der_spki, *p;
106	char *b64_str;
107	int der_len;
108	der_len = i2d_NETSCAPE_SPKI(spki, NULL);
109	der_spki = OPENSSL_malloc(der_len);
110	b64_str = OPENSSL_malloc(der_len * 2);
111	if(!der_spki || !b64_str) {
112		X509err(X509_F_NETSCAPE_SPKI_B64_ENCODE, ERR_R_MALLOC_FAILURE);
113		return NULL;
114	}
115	p = der_spki;
116	i2d_NETSCAPE_SPKI(spki, &p);
117	EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len);
118	OPENSSL_free(der_spki);
119	return b64_str;
120}
121