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175b0942 | 1 | /* v3_skey.c */ |
0f113f3e MC |
2 | /* |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
4 | * 1999. | |
175b0942 DSH |
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 | |
0f113f3e | 14 | * notice, this list of conditions and the following disclaimer. |
175b0942 DSH |
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> | |
e527ba09 | 61 | #include "cryptlib.h" |
ec577822 | 62 | #include <openssl/x509v3.h> |
175b0942 | 63 | |
0f113f3e MC |
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) | |
175b0942 | 76 | { |
0f113f3e | 77 | return hex_to_string(oct->data, oct->length); |
175b0942 DSH |
78 | } |
79 | ||
6b691a5c | 80 | ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, |
0f113f3e | 81 | X509V3_CTX *ctx, char *str) |
175b0942 | 82 | { |
0f113f3e MC |
83 | ASN1_OCTET_STRING *oct; |
84 | long length; | |
175b0942 | 85 | |
f422a514 | 86 | if (!(oct = ASN1_OCTET_STRING_new())) { |
0f113f3e MC |
87 | X509V3err(X509V3_F_S2I_ASN1_OCTET_STRING, ERR_R_MALLOC_FAILURE); |
88 | return NULL; | |
89 | } | |
175b0942 | 90 | |
0f113f3e | 91 | if (!(oct->data = string_to_hex(str, &length))) { |
f422a514 | 92 | ASN1_OCTET_STRING_free(oct); |
0f113f3e MC |
93 | return NULL; |
94 | } | |
175b0942 | 95 | |
0f113f3e | 96 | oct->length = length; |
175b0942 | 97 | |
0f113f3e | 98 | return oct; |
175b0942 DSH |
99 | |
100 | } | |
101 | ||
6b691a5c | 102 | static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, |
0f113f3e | 103 | X509V3_CTX *ctx, char *str) |
175b0942 | 104 | { |
0f113f3e MC |
105 | ASN1_OCTET_STRING *oct; |
106 | ASN1_BIT_STRING *pk; | |
107 | unsigned char pkey_dig[EVP_MAX_MD_SIZE]; | |
108 | unsigned int diglen; | |
109 | ||
110 | if (strcmp(str, "hash")) | |
111 | return s2i_ASN1_OCTET_STRING(method, ctx, str); | |
112 | ||
f422a514 | 113 | if (!(oct = ASN1_OCTET_STRING_new())) { |
0f113f3e MC |
114 | X509V3err(X509V3_F_S2I_SKEY_ID, ERR_R_MALLOC_FAILURE); |
115 | return NULL; | |
116 | } | |
117 | ||
118 | if (ctx && (ctx->flags == CTX_TEST)) | |
119 | return oct; | |
120 | ||
121 | if (!ctx || (!ctx->subject_req && !ctx->subject_cert)) { | |
122 | X509V3err(X509V3_F_S2I_SKEY_ID, X509V3_R_NO_PUBLIC_KEY); | |
123 | goto err; | |
124 | } | |
125 | ||
126 | if (ctx->subject_req) | |
127 | pk = ctx->subject_req->req_info->pubkey->public_key; | |
128 | else | |
129 | pk = ctx->subject_cert->cert_info->key->public_key; | |
130 | ||
131 | if (!pk) { | |
132 | X509V3err(X509V3_F_S2I_SKEY_ID, X509V3_R_NO_PUBLIC_KEY); | |
133 | goto err; | |
134 | } | |
135 | ||
136 | if (!EVP_Digest | |
137 | (pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL)) | |
138 | goto err; | |
139 | ||
f422a514 | 140 | if (!ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) { |
0f113f3e MC |
141 | X509V3err(X509V3_F_S2I_SKEY_ID, ERR_R_MALLOC_FAILURE); |
142 | goto err; | |
143 | } | |
144 | ||
145 | return oct; | |
146 | ||
147 | err: | |
f422a514 | 148 | ASN1_OCTET_STRING_free(oct); |
0f113f3e | 149 | return NULL; |
175b0942 | 150 | } |