1 /*
2 * Written by Dr Stephen N Henson ([email protected]) 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 * [email protected].
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 * ([email protected]). This product includes software written by Tim
55 * Hudson ([email protected]). */
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
NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI * x,EVP_PKEY * pkey)64 int NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey) {
65 if ((x == NULL) || (x->spkac == NULL)) {
66 return 0;
67 }
68 return (X509_PUBKEY_set(&(x->spkac->pubkey), pkey));
69 }
70
NETSCAPE_SPKI_get_pubkey(const NETSCAPE_SPKI * x)71 EVP_PKEY *NETSCAPE_SPKI_get_pubkey(const NETSCAPE_SPKI *x) {
72 if ((x == NULL) || (x->spkac == NULL)) {
73 return NULL;
74 }
75 return (X509_PUBKEY_get(x->spkac->pubkey));
76 }
77
78 // Load a Netscape SPKI from a base64 encoded string
79
NETSCAPE_SPKI_b64_decode(const char * str,ossl_ssize_t len)80 NETSCAPE_SPKI *NETSCAPE_SPKI_b64_decode(const char *str, ossl_ssize_t len) {
81 unsigned char *spki_der;
82 const unsigned char *p;
83 size_t spki_len;
84 NETSCAPE_SPKI *spki;
85 if (len <= 0) {
86 len = strlen(str);
87 }
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 return NULL;
94 }
95 if (!EVP_DecodeBase64(spki_der, &spki_len, spki_len, (const uint8_t *)str,
96 len)) {
97 OPENSSL_PUT_ERROR(X509, X509_R_BASE64_DECODE_ERROR);
98 OPENSSL_free(spki_der);
99 return NULL;
100 }
101 p = spki_der;
102 spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
103 OPENSSL_free(spki_der);
104 return spki;
105 }
106
107 // Generate a base64 encoded string from an SPKI
108
NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI * spki)109 char *NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki) {
110 unsigned char *der_spki, *p;
111 char *b64_str;
112 size_t b64_len;
113 int der_len;
114 der_len = i2d_NETSCAPE_SPKI(spki, NULL);
115 if (!EVP_EncodedLength(&b64_len, der_len)) {
116 OPENSSL_PUT_ERROR(X509, ERR_R_OVERFLOW);
117 return NULL;
118 }
119 der_spki = OPENSSL_malloc(der_len);
120 if (der_spki == NULL) {
121 return NULL;
122 }
123 b64_str = OPENSSL_malloc(b64_len);
124 if (b64_str == NULL) {
125 OPENSSL_free(der_spki);
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