/src/libressl/crypto/asn1/x_sig.c
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1 | | /* $OpenBSD: x_sig.c,v 1.13 2021/11/01 20:53:08 tb Exp $ */ |
2 | | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
3 | | * All rights reserved. |
4 | | * |
5 | | * This package is an SSL implementation written |
6 | | * by Eric Young (eay@cryptsoft.com). |
7 | | * The implementation was written so as to conform with Netscapes SSL. |
8 | | * |
9 | | * This library is free for commercial and non-commercial use as long as |
10 | | * the following conditions are aheared to. The following conditions |
11 | | * apply to all code found in this distribution, be it the RC4, RSA, |
12 | | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
13 | | * included with this distribution is covered by the same copyright terms |
14 | | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
15 | | * |
16 | | * Copyright remains Eric Young's, and as such any Copyright notices in |
17 | | * the code are not to be removed. |
18 | | * If this package is used in a product, Eric Young should be given attribution |
19 | | * as the author of the parts of the library used. |
20 | | * This can be in the form of a textual message at program startup or |
21 | | * in documentation (online or textual) provided with the package. |
22 | | * |
23 | | * Redistribution and use in source and binary forms, with or without |
24 | | * modification, are permitted provided that the following conditions |
25 | | * are met: |
26 | | * 1. Redistributions of source code must retain the copyright |
27 | | * notice, this list of conditions and the following disclaimer. |
28 | | * 2. Redistributions in binary form must reproduce the above copyright |
29 | | * notice, this list of conditions and the following disclaimer in the |
30 | | * documentation and/or other materials provided with the distribution. |
31 | | * 3. All advertising materials mentioning features or use of this software |
32 | | * must display the following acknowledgement: |
33 | | * "This product includes cryptographic software written by |
34 | | * Eric Young (eay@cryptsoft.com)" |
35 | | * The word 'cryptographic' can be left out if the rouines from the library |
36 | | * being used are not cryptographic related :-). |
37 | | * 4. If you include any Windows specific code (or a derivative thereof) from |
38 | | * the apps directory (application code) you must include an acknowledgement: |
39 | | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
40 | | * |
41 | | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 | | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
43 | | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
44 | | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
45 | | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
46 | | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
47 | | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
48 | | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
49 | | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
50 | | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
51 | | * SUCH DAMAGE. |
52 | | * |
53 | | * The licence and distribution terms for any publically available version or |
54 | | * derivative of this code cannot be changed. i.e. this code cannot simply be |
55 | | * copied and put under another distribution licence |
56 | | * [including the GNU Public Licence.] |
57 | | */ |
58 | | |
59 | | #include <stdio.h> |
60 | | |
61 | | #include <openssl/asn1t.h> |
62 | | #include <openssl/x509.h> |
63 | | |
64 | | #include "x509_lcl.h" |
65 | | |
66 | | static const ASN1_TEMPLATE X509_SIG_seq_tt[] = { |
67 | | { |
68 | | .offset = offsetof(X509_SIG, algor), |
69 | | .field_name = "algor", |
70 | | .item = &X509_ALGOR_it, |
71 | | }, |
72 | | { |
73 | | .offset = offsetof(X509_SIG, digest), |
74 | | .field_name = "digest", |
75 | | .item = &ASN1_OCTET_STRING_it, |
76 | | }, |
77 | | }; |
78 | | |
79 | | const ASN1_ITEM X509_SIG_it = { |
80 | | .itype = ASN1_ITYPE_SEQUENCE, |
81 | | .utype = V_ASN1_SEQUENCE, |
82 | | .templates = X509_SIG_seq_tt, |
83 | | .tcount = sizeof(X509_SIG_seq_tt) / sizeof(ASN1_TEMPLATE), |
84 | | .size = sizeof(X509_SIG), |
85 | | .sname = "X509_SIG", |
86 | | }; |
87 | | |
88 | | |
89 | | X509_SIG * |
90 | | d2i_X509_SIG(X509_SIG **a, const unsigned char **in, long len) |
91 | 0 | { |
92 | 0 | return (X509_SIG *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, |
93 | 0 | &X509_SIG_it); |
94 | 0 | } |
95 | | |
96 | | int |
97 | | i2d_X509_SIG(X509_SIG *a, unsigned char **out) |
98 | 0 | { |
99 | 0 | return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_SIG_it); |
100 | 0 | } |
101 | | |
102 | | X509_SIG * |
103 | | X509_SIG_new(void) |
104 | 0 | { |
105 | 0 | return (X509_SIG *)ASN1_item_new(&X509_SIG_it); |
106 | 0 | } |
107 | | |
108 | | void |
109 | | X509_SIG_free(X509_SIG *a) |
110 | 0 | { |
111 | 0 | ASN1_item_free((ASN1_VALUE *)a, &X509_SIG_it); |
112 | 0 | } |
113 | | |
114 | | void |
115 | | X509_SIG_get0(const X509_SIG *sig, const X509_ALGOR **palg, |
116 | | const ASN1_OCTET_STRING **pdigest) |
117 | 0 | { |
118 | 0 | if (palg != NULL) |
119 | 0 | *palg = sig->algor; |
120 | 0 | if (pdigest != NULL) |
121 | 0 | *pdigest = sig->digest; |
122 | 0 | } |
123 | | |
124 | | void |
125 | | X509_SIG_getm(X509_SIG *sig, X509_ALGOR **palg, ASN1_OCTET_STRING **pdigest) |
126 | 0 | { |
127 | 0 | if (palg != NULL) |
128 | 0 | *palg = sig->algor; |
129 | 0 | if (pdigest != NULL) |
130 | 0 | *pdigest = sig->digest; |
131 | 0 | } |