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 <string.h>
56
57 #include <openssl/base64.h>
58 #include <openssl/err.h>
59 #include <openssl/mem.h>
60 #include <openssl/x509.h>
61
62
NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI * x,EVP_PKEY * pkey)63 int 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
NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI * x)69 EVP_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
NETSCAPE_SPKI_b64_decode(const char * str,int len)78 NETSCAPE_SPKI * NETSCAPE_SPKI_b64_decode(const char *str, int len)
79 {
80 unsigned char *spki_der;
81 const unsigned char *p;
82 size_t spki_len;
83 NETSCAPE_SPKI *spki;
84 if (len <= 0)
85 len = strlen(str);
86 if (!EVP_DecodedLength(&spki_len, len)) {
87 OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_decode, X509_R_BASE64_DECODE_ERROR);
88 return NULL;
89 }
90 if (!(spki_der = OPENSSL_malloc(spki_len))) {
91 OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_decode, ERR_R_MALLOC_FAILURE);
92 return NULL;
93 }
94 if (!EVP_DecodeBase64(spki_der, &spki_len, spki_len, (const uint8_t *)str, len)) {
95 OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_decode, X509_R_BASE64_DECODE_ERROR);
96 OPENSSL_free(spki_der);
97 return NULL;
98 }
99 p = spki_der;
100 spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
101 OPENSSL_free(spki_der);
102 return spki;
103 }
104
105 /* Generate a base64 encoded string from an SPKI */
106
NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI * spki)107 char * NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki)
108 {
109 unsigned char *der_spki, *p;
110 char *b64_str;
111 size_t b64_len;
112 int der_len;
113 der_len = i2d_NETSCAPE_SPKI(spki, NULL);
114 if (!EVP_EncodedLength(&b64_len, der_len))
115 {
116 OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_encode, ERR_R_OVERFLOW);
117 return NULL;
118 }
119 der_spki = OPENSSL_malloc(der_len);
120 if (der_spki == NULL) {
121 OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_encode, ERR_R_MALLOC_FAILURE);
122 return NULL;
123 }
124 b64_str = OPENSSL_malloc(b64_len);
125 if (b64_str == NULL) {
126 OPENSSL_free(der_spki);
127 OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_encode, ERR_R_MALLOC_FAILURE);
128 return NULL;
129 }
130 p = der_spki;
131 i2d_NETSCAPE_SPKI(spki, &p);
132 EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len);
133 OPENSSL_free(der_spki);
134 return b64_str;
135 }
136