1/* Written by Dr Stephen N Henson (steve@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@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@cryptsoft.com).  This product includes software written by Tim
53 * Hudson (tjh@cryptsoft.com). */
54
55#include <openssl/base64.h>
56#include <openssl/err.h>
57#include <openssl/mem.h>
58#include <openssl/x509.h>
59
60
61int NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey)
62{
63	if ((x == NULL) || (x->spkac == NULL)) return(0);
64	return(X509_PUBKEY_set(&(x->spkac->pubkey),pkey));
65}
66
67EVP_PKEY *NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI *x)
68{
69	if ((x == NULL) || (x->spkac == NULL))
70		return(NULL);
71	return(X509_PUBKEY_get(x->spkac->pubkey));
72}
73
74/* Load a Netscape SPKI from a base64 encoded string */
75
76NETSCAPE_SPKI * NETSCAPE_SPKI_b64_decode(const char *str, int len)
77{
78	unsigned char *spki_der;
79	const unsigned char *p;
80	size_t spki_len;
81	NETSCAPE_SPKI *spki;
82	if (len <= 0)
83		len = strlen(str);
84	if (!EVP_DecodedLength(&spki_len, len)) {
85		OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_decode, X509_R_BASE64_DECODE_ERROR);
86		return NULL;
87	}
88	if (!(spki_der = OPENSSL_malloc(spki_len))) {
89		OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_decode, ERR_R_MALLOC_FAILURE);
90		return NULL;
91	}
92	if (!EVP_DecodeBase64(spki_der, &spki_len, spki_len, (const uint8_t *)str, len)) {
93		OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_decode, X509_R_BASE64_DECODE_ERROR);
94		OPENSSL_free(spki_der);
95		return NULL;
96	}
97	p = spki_der;
98	spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
99	OPENSSL_free(spki_der);
100	return spki;
101}
102
103/* Generate a base64 encoded string from an SPKI */
104
105char * NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki)
106{
107	unsigned char *der_spki, *p;
108	char *b64_str;
109	size_t b64_len;
110	int der_len;
111	der_len = i2d_NETSCAPE_SPKI(spki, NULL);
112	if (!EVP_EncodedLength(&b64_len, der_len))
113		{
114		OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_encode, ERR_R_OVERFLOW);
115		return NULL;
116		}
117	der_spki = OPENSSL_malloc(der_len);
118	if (der_spki == NULL) {
119		OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_encode, ERR_R_MALLOC_FAILURE);
120		return NULL;
121	}
122	b64_str = OPENSSL_malloc(b64_len);
123	if (b64_str == NULL) {
124		OPENSSL_free(der_spki);
125		OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_encode, ERR_R_MALLOC_FAILURE);
126		return NULL;
127	}
128	p = der_spki;
129	i2d_NETSCAPE_SPKI(spki, &p);
130	EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len);
131	OPENSSL_free(der_spki);
132	return b64_str;
133}
134