1/*
2 * Written by Dr Stephen N Henson (steve@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@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#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
64int 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
71EVP_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
80NETSCAPE_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
110char *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