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0f113f3e MC |
1 | /* |
2 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
3 | * 1999. | |
175b0942 DSH |
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 | |
0f113f3e | 13 | * notice, this list of conditions and the following disclaimer. |
175b0942 DSH |
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 | #include <stdio.h> | |
b39fc560 | 60 | #include "internal/cryptlib.h" |
ec577822 | 61 | #include <openssl/x509v3.h> |
124055a9 | 62 | #include "internal/x509_int.h" |
df2ee0e2 | 63 | #include "ext_dat.h" |
175b0942 | 64 | |
0f113f3e MC |
65 | static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, |
66 | X509V3_CTX *ctx, char *str); | |
67 | const X509V3_EXT_METHOD v3_skey_id = { | |
68 | NID_subject_key_identifier, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING), | |
69 | 0, 0, 0, 0, | |
70 | (X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING, | |
71 | (X509V3_EXT_S2I)s2i_skey_id, | |
72 | 0, 0, 0, 0, | |
73 | NULL | |
74 | }; | |
75 | ||
76 | char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *oct) | |
175b0942 | 77 | { |
0f113f3e | 78 | return hex_to_string(oct->data, oct->length); |
175b0942 DSH |
79 | } |
80 | ||
6b691a5c | 81 | ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, |
0f113f3e | 82 | X509V3_CTX *ctx, char *str) |
175b0942 | 83 | { |
0f113f3e MC |
84 | ASN1_OCTET_STRING *oct; |
85 | long length; | |
175b0942 | 86 | |
75ebbd9a | 87 | if ((oct = ASN1_OCTET_STRING_new()) == NULL) { |
0f113f3e MC |
88 | X509V3err(X509V3_F_S2I_ASN1_OCTET_STRING, ERR_R_MALLOC_FAILURE); |
89 | return NULL; | |
90 | } | |
175b0942 | 91 | |
75ebbd9a | 92 | if ((oct->data = string_to_hex(str, &length)) == NULL) { |
f422a514 | 93 | ASN1_OCTET_STRING_free(oct); |
0f113f3e MC |
94 | return NULL; |
95 | } | |
175b0942 | 96 | |
0f113f3e | 97 | oct->length = length; |
175b0942 | 98 | |
0f113f3e | 99 | return oct; |
175b0942 DSH |
100 | |
101 | } | |
102 | ||
6b691a5c | 103 | static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, |
0f113f3e | 104 | X509V3_CTX *ctx, char *str) |
175b0942 | 105 | { |
0f113f3e | 106 | ASN1_OCTET_STRING *oct; |
29fa0a1a DSH |
107 | X509_PUBKEY *pubkey; |
108 | const unsigned char *pk; | |
109 | int pklen; | |
0f113f3e MC |
110 | unsigned char pkey_dig[EVP_MAX_MD_SIZE]; |
111 | unsigned int diglen; | |
112 | ||
113 | if (strcmp(str, "hash")) | |
114 | return s2i_ASN1_OCTET_STRING(method, ctx, str); | |
115 | ||
75ebbd9a | 116 | if ((oct = ASN1_OCTET_STRING_new()) == NULL) { |
0f113f3e MC |
117 | X509V3err(X509V3_F_S2I_SKEY_ID, ERR_R_MALLOC_FAILURE); |
118 | return NULL; | |
119 | } | |
120 | ||
121 | if (ctx && (ctx->flags == CTX_TEST)) | |
122 | return oct; | |
123 | ||
124 | if (!ctx || (!ctx->subject_req && !ctx->subject_cert)) { | |
125 | X509V3err(X509V3_F_S2I_SKEY_ID, X509V3_R_NO_PUBLIC_KEY); | |
126 | goto err; | |
127 | } | |
128 | ||
129 | if (ctx->subject_req) | |
29fa0a1a | 130 | pubkey = ctx->subject_req->req_info.pubkey; |
0f113f3e | 131 | else |
29fa0a1a | 132 | pubkey = ctx->subject_cert->cert_info.key; |
0f113f3e | 133 | |
29fa0a1a | 134 | if (pubkey == NULL) { |
0f113f3e MC |
135 | X509V3err(X509V3_F_S2I_SKEY_ID, X509V3_R_NO_PUBLIC_KEY); |
136 | goto err; | |
137 | } | |
138 | ||
29fa0a1a DSH |
139 | X509_PUBKEY_get0_param(NULL, &pk, &pklen, NULL, pubkey); |
140 | ||
141 | if (!EVP_Digest(pk, pklen, pkey_dig, &diglen, EVP_sha1(), NULL)) | |
0f113f3e MC |
142 | goto err; |
143 | ||
f422a514 | 144 | if (!ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) { |
0f113f3e MC |
145 | X509V3err(X509V3_F_S2I_SKEY_ID, ERR_R_MALLOC_FAILURE); |
146 | goto err; | |
147 | } | |
148 | ||
149 | return oct; | |
150 | ||
151 | err: | |
f422a514 | 152 | ASN1_OCTET_STRING_free(oct); |
0f113f3e | 153 | return NULL; |
175b0942 | 154 | } |