1 /* $OpenBSD: gost89imit_ameth.c,v 1.3 2021/12/12 21:30:14 tb Exp $ */
2 /*
3 * Copyright (c) 2014 Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
4 * Copyright (c) 2005-2006 Cryptocom LTD
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 *
18 * 3. All advertising materials mentioning features or use of this
19 * software must display the following acknowledgment:
20 * "This product includes software developed by the OpenSSL Project
21 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
22 *
23 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
24 * endorse or promote products derived from this software without
25 * prior written permission. For written permission, please contact
26 * openssl-core@openssl.org.
27 *
28 * 5. Products derived from this software may not be called "OpenSSL"
29 * nor may "OpenSSL" appear in their names without prior written
30 * permission of the OpenSSL Project.
31 *
32 * 6. Redistributions of any form whatsoever must retain the following
33 * acknowledgment:
34 * "This product includes software developed by the OpenSSL Project
35 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
36 *
37 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
38 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
39 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
40 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
43 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
44 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
46 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
47 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
48 * OF THE POSSIBILITY OF SUCH DAMAGE.
49 * ====================================================================
50 */
51
52 #include <openssl/opensslconf.h>
53
54 #ifndef OPENSSL_NO_GOST
55 #include <openssl/evp.h>
56
57 #include "asn1_locl.h"
58 #include "evp_locl.h"
59
60 static void
mackey_free_gost(EVP_PKEY * pk)61 mackey_free_gost(EVP_PKEY *pk)
62 {
63 free(pk->pkey.ptr);
64 }
65
66 static int
mac_ctrl_gost(EVP_PKEY * pkey,int op,long arg1,void * arg2)67 mac_ctrl_gost(EVP_PKEY *pkey, int op, long arg1, void *arg2)
68 {
69 switch (op) {
70 case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
71 *(int *)arg2 = NID_id_Gost28147_89_MAC;
72 return 2;
73 }
74 return -2;
75 }
76
77 const EVP_PKEY_ASN1_METHOD gostimit_asn1_meth = {
78 .pkey_id = EVP_PKEY_GOSTIMIT,
79 .pkey_base_id = EVP_PKEY_GOSTIMIT,
80 .pkey_flags = ASN1_PKEY_SIGPARAM_NULL,
81
82 .pem_str = "GOST-MAC",
83 .info = "GOST 28147-89 MAC",
84
85 .pkey_free = mackey_free_gost,
86 .pkey_ctrl = mac_ctrl_gost,
87 };
88
89 #endif
90