/src/openssl/crypto/x509v3/v3_skey.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* v3_skey.c */ |
2 | | /* |
3 | | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
4 | | * 1999. |
5 | | */ |
6 | | /* ==================================================================== |
7 | | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. |
8 | | * |
9 | | * Redistribution and use in source and binary forms, with or without |
10 | | * modification, are permitted provided that the following conditions |
11 | | * are met: |
12 | | * |
13 | | * 1. Redistributions of source code must retain the above copyright |
14 | | * notice, this list of conditions and the following disclaimer. |
15 | | * |
16 | | * 2. Redistributions in binary form must reproduce the above copyright |
17 | | * notice, this list of conditions and the following disclaimer in |
18 | | * the documentation and/or other materials provided with the |
19 | | * distribution. |
20 | | * |
21 | | * 3. All advertising materials mentioning features or use of this |
22 | | * software must display the following acknowledgment: |
23 | | * "This product includes software developed by the OpenSSL Project |
24 | | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
25 | | * |
26 | | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
27 | | * endorse or promote products derived from this software without |
28 | | * prior written permission. For written permission, please contact |
29 | | * licensing@OpenSSL.org. |
30 | | * |
31 | | * 5. Products derived from this software may not be called "OpenSSL" |
32 | | * nor may "OpenSSL" appear in their names without prior written |
33 | | * permission of the OpenSSL Project. |
34 | | * |
35 | | * 6. Redistributions of any form whatsoever must retain the following |
36 | | * acknowledgment: |
37 | | * "This product includes software developed by the OpenSSL Project |
38 | | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
39 | | * |
40 | | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
41 | | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
42 | | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
43 | | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
44 | | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
45 | | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
46 | | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
47 | | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
48 | | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
49 | | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
50 | | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
51 | | * OF THE POSSIBILITY OF SUCH DAMAGE. |
52 | | * ==================================================================== |
53 | | * |
54 | | * This product includes cryptographic software written by Eric Young |
55 | | * (eay@cryptsoft.com). This product includes software written by Tim |
56 | | * Hudson (tjh@cryptsoft.com). |
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, |
65 | | X509V3_CTX *ctx, char *str); |
66 | | const X509V3_EXT_METHOD v3_skey_id = { |
67 | | NID_subject_key_identifier, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING), |
68 | | 0, 0, 0, 0, |
69 | | (X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING, |
70 | | (X509V3_EXT_S2I)s2i_skey_id, |
71 | | 0, 0, 0, 0, |
72 | | NULL |
73 | | }; |
74 | | |
75 | | char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *oct) |
76 | 0 | { |
77 | 0 | return hex_to_string(oct->data, oct->length); |
78 | 0 | } |
79 | | |
80 | | ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, |
81 | | X509V3_CTX *ctx, char *str) |
82 | 0 | { |
83 | 0 | ASN1_OCTET_STRING *oct; |
84 | 0 | long length; |
85 | |
|
86 | 0 | if (!(oct = M_ASN1_OCTET_STRING_new())) { |
87 | 0 | X509V3err(X509V3_F_S2I_ASN1_OCTET_STRING, ERR_R_MALLOC_FAILURE); |
88 | 0 | return NULL; |
89 | 0 | } |
90 | | |
91 | 0 | if (!(oct->data = string_to_hex(str, &length))) { |
92 | 0 | M_ASN1_OCTET_STRING_free(oct); |
93 | 0 | return NULL; |
94 | 0 | } |
95 | | |
96 | 0 | oct->length = length; |
97 | |
|
98 | 0 | return oct; |
99 | |
|
100 | 0 | } |
101 | | |
102 | | static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, |
103 | | X509V3_CTX *ctx, char *str) |
104 | 0 | { |
105 | 0 | ASN1_OCTET_STRING *oct; |
106 | 0 | ASN1_BIT_STRING *pk; |
107 | 0 | unsigned char pkey_dig[EVP_MAX_MD_SIZE]; |
108 | 0 | unsigned int diglen; |
109 | |
|
110 | 0 | if (strcmp(str, "hash")) |
111 | 0 | return s2i_ASN1_OCTET_STRING(method, ctx, str); |
112 | | |
113 | 0 | if (!(oct = M_ASN1_OCTET_STRING_new())) { |
114 | 0 | X509V3err(X509V3_F_S2I_SKEY_ID, ERR_R_MALLOC_FAILURE); |
115 | 0 | return NULL; |
116 | 0 | } |
117 | | |
118 | 0 | if (ctx && (ctx->flags == CTX_TEST)) |
119 | 0 | return oct; |
120 | | |
121 | 0 | if (!ctx || (!ctx->subject_req && !ctx->subject_cert)) { |
122 | 0 | X509V3err(X509V3_F_S2I_SKEY_ID, X509V3_R_NO_PUBLIC_KEY); |
123 | 0 | goto err; |
124 | 0 | } |
125 | | |
126 | 0 | if (ctx->subject_req) |
127 | 0 | pk = ctx->subject_req->req_info->pubkey->public_key; |
128 | 0 | else |
129 | 0 | pk = ctx->subject_cert->cert_info->key->public_key; |
130 | |
|
131 | 0 | if (!pk) { |
132 | 0 | X509V3err(X509V3_F_S2I_SKEY_ID, X509V3_R_NO_PUBLIC_KEY); |
133 | 0 | goto err; |
134 | 0 | } |
135 | | |
136 | 0 | if (!EVP_Digest |
137 | 0 | (pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL)) |
138 | 0 | goto err; |
139 | | |
140 | 0 | if (!M_ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) { |
141 | 0 | X509V3err(X509V3_F_S2I_SKEY_ID, ERR_R_MALLOC_FAILURE); |
142 | 0 | goto err; |
143 | 0 | } |
144 | | |
145 | 0 | return oct; |
146 | | |
147 | 0 | err: |
148 | 0 | M_ASN1_OCTET_STRING_free(oct); |
149 | 0 | return NULL; |
150 | 0 | } |