Branch data Line data Source code
1 : : /* v3_skey.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 : :
60 : : #include <stdio.h>
61 : : #include "cryptlib.h"
62 : : #include <openssl/x509v3.h>
63 : :
64 : : static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str);
65 : : const X509V3_EXT_METHOD v3_skey_id = {
66 : : NID_subject_key_identifier, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING),
67 : : 0,0,0,0,
68 : : (X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING,
69 : : (X509V3_EXT_S2I)s2i_skey_id,
70 : : 0,0,0,0,
71 : : NULL};
72 : :
73 : 39 : char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
74 : : ASN1_OCTET_STRING *oct)
75 : : {
76 : 39 : return hex_to_string(oct->data, oct->length);
77 : : }
78 : :
79 : 0 : ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
80 : : X509V3_CTX *ctx, char *str)
81 : : {
82 : : ASN1_OCTET_STRING *oct;
83 : : long length;
84 : :
85 [ # # ]: 0 : if(!(oct = M_ASN1_OCTET_STRING_new())) {
86 : 0 : X509V3err(X509V3_F_S2I_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE);
87 : 0 : return NULL;
88 : : }
89 : :
90 [ # # ]: 0 : if(!(oct->data = string_to_hex(str, &length))) {
91 : 0 : M_ASN1_OCTET_STRING_free(oct);
92 : 0 : return NULL;
93 : : }
94 : :
95 : 0 : oct->length = length;
96 : :
97 : 0 : return oct;
98 : :
99 : : }
100 : :
101 : 36 : static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method,
102 : : X509V3_CTX *ctx, char *str)
103 : : {
104 : : ASN1_OCTET_STRING *oct;
105 : : ASN1_BIT_STRING *pk;
106 : : unsigned char pkey_dig[EVP_MAX_MD_SIZE];
107 : : unsigned int diglen;
108 : :
109 [ - + ]: 36 : if(strcmp(str, "hash")) return s2i_ASN1_OCTET_STRING(method, ctx, str);
110 : :
111 [ - + ]: 36 : if(!(oct = M_ASN1_OCTET_STRING_new())) {
112 : 0 : X509V3err(X509V3_F_S2I_SKEY_ID,ERR_R_MALLOC_FAILURE);
113 : 0 : return NULL;
114 : : }
115 : :
116 [ + - ][ + + ]: 36 : if(ctx && (ctx->flags == CTX_TEST)) return oct;
117 : :
118 [ + - ][ + + ]: 9 : if(!ctx || (!ctx->subject_req && !ctx->subject_cert)) {
[ - + ]
119 : 0 : X509V3err(X509V3_F_S2I_SKEY_ID,X509V3_R_NO_PUBLIC_KEY);
120 : 0 : goto err;
121 : : }
122 : :
123 [ + + ]: 9 : if(ctx->subject_req)
124 : 2 : pk = ctx->subject_req->req_info->pubkey->public_key;
125 : 7 : else pk = ctx->subject_cert->cert_info->key->public_key;
126 : :
127 [ - + ]: 9 : if(!pk) {
128 : 0 : X509V3err(X509V3_F_S2I_SKEY_ID,X509V3_R_NO_PUBLIC_KEY);
129 : 0 : goto err;
130 : : }
131 : :
132 [ + - ]: 9 : if (!EVP_Digest(pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL))
133 : : goto err;
134 : :
135 [ - + ]: 9 : if(!M_ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) {
136 : 0 : X509V3err(X509V3_F_S2I_SKEY_ID,ERR_R_MALLOC_FAILURE);
137 : 0 : goto err;
138 : : }
139 : :
140 : : return oct;
141 : :
142 : : err:
143 : 0 : M_ASN1_OCTET_STRING_free(oct);
144 : 0 : return NULL;
145 : : }
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