1/* x509spki.c */
2/* Written by Dr Stephen N Henson (steve@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@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@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;
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
104char * 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