1 /**********************************************************************
3 * Copyright (c) 2005-2006 Cryptocom LTD *
4 * This file is distributed under the same license as OpenSSL *
6 * Main file of GOST engine *
8 * Requires OpenSSL 0.9.9 for compilation *
9 **********************************************************************/
11 #include <openssl/crypto.h>
12 #include <openssl/err.h>
13 #include <openssl/evp.h>
14 #include <openssl/engine.h>
15 #include <openssl/obj_mac.h>
16 #include "e_gost_err.h"
18 static const char *engine_gost_id = "gost";
19 static const char *engine_gost_name =
20 "Reference implementation of GOST engine";
22 static int gost_pkey_meth_nids[] = {
23 NID_id_GostR3410_2001, NID_id_Gost28147_89_MAC, 0
26 /* Symmetric cipher and digest function registrar */
28 static int gost_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
29 const int **nids, int nid);
31 static int gost_digests(ENGINE *e, const EVP_MD **digest,
32 const int **nids, int ind);
34 static int gost_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
35 const int **nids, int nid);
37 static int gost_pkey_asn1_meths(ENGINE *e, EVP_PKEY_ASN1_METHOD **ameth,
38 const int **nids, int nid);
40 static int gost_cipher_nids[] = { NID_id_Gost28147_89, NID_gost89_cnt, 0 };
42 static int gost_digest_nids[] =
43 { NID_id_GostR3411_94, NID_id_Gost28147_89_MAC, 0 };
45 static EVP_PKEY_METHOD *pmeth_GostR3410_2001 = NULL;
46 static EVP_PKEY_METHOD *pmeth_Gost28147_MAC = NULL;
48 static EVP_PKEY_ASN1_METHOD *ameth_GostR3410_2001 = NULL;
49 static EVP_PKEY_ASN1_METHOD *ameth_Gost28147_MAC = NULL;
51 static int gost_engine_init(ENGINE *e)
56 static int gost_engine_finish(ENGINE *e)
61 static int gost_engine_destroy(ENGINE *e)
65 pmeth_GostR3410_2001 = NULL;
66 pmeth_Gost28147_MAC = NULL;
67 ameth_GostR3410_2001 = NULL;
68 ameth_Gost28147_MAC = NULL;
72 static int bind_gost(ENGINE *e, const char *id)
75 if (id && strcmp(id, engine_gost_id))
77 if (ameth_GostR3410_2001) {
78 printf("GOST engine already loaded\n");
82 if (!ENGINE_set_id(e, engine_gost_id)) {
83 printf("ENGINE_set_id failed\n");
86 if (!ENGINE_set_name(e, engine_gost_name)) {
87 printf("ENGINE_set_name failed\n");
90 if (!ENGINE_set_digests(e, gost_digests)) {
91 printf("ENGINE_set_digests failed\n");
94 if (!ENGINE_set_ciphers(e, gost_ciphers)) {
95 printf("ENGINE_set_ciphers failed\n");
98 if (!ENGINE_set_pkey_meths(e, gost_pkey_meths)) {
99 printf("ENGINE_set_pkey_meths failed\n");
102 if (!ENGINE_set_pkey_asn1_meths(e, gost_pkey_asn1_meths)) {
103 printf("ENGINE_set_pkey_asn1_meths failed\n");
106 /* Control function and commands */
107 if (!ENGINE_set_cmd_defns(e, gost_cmds)) {
108 fprintf(stderr, "ENGINE_set_cmd_defns failed\n");
111 if (!ENGINE_set_ctrl_function(e, gost_control_func)) {
112 fprintf(stderr, "ENGINE_set_ctrl_func failed\n");
115 if (!ENGINE_set_destroy_function(e, gost_engine_destroy)
116 || !ENGINE_set_init_function(e, gost_engine_init)
117 || !ENGINE_set_finish_function(e, gost_engine_finish)) {
121 if (!register_ameth_gost
122 (NID_id_GostR3410_2001, &ameth_GostR3410_2001, "GOST2001",
123 "GOST R 34.10-2001"))
125 if (!register_ameth_gost(NID_id_Gost28147_89_MAC, &ameth_Gost28147_MAC,
126 "GOST-MAC", "GOST 28147-89 MAC"))
129 if (!register_pmeth_gost(NID_id_GostR3410_2001, &pmeth_GostR3410_2001, 0))
131 if (!register_pmeth_gost(NID_id_Gost28147_89_MAC, &pmeth_Gost28147_MAC, 0))
133 if (!ENGINE_register_ciphers(e)
134 || !ENGINE_register_digests(e)
135 || !ENGINE_register_pkey_meths(e)
136 /* These two actually should go in LIST_ADD command */
137 || !EVP_add_cipher(&cipher_gost)
138 || !EVP_add_cipher(&cipher_gost_cpacnt)
139 || !EVP_add_digest(&digest_gost)
140 || !EVP_add_digest(&imit_gost_cpa)
145 ERR_load_GOST_strings();
151 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
152 IMPLEMENT_DYNAMIC_BIND_FN(bind_gost)
153 IMPLEMENT_DYNAMIC_CHECK_FN()
154 #endif /* ndef OPENSSL_NO_DYNAMIC_ENGINE */
155 static int gost_digests(ENGINE *e, const EVP_MD **digest,
156 const int **nids, int nid)
160 *nids = gost_digest_nids;
164 * printf("Digest no %d requested\n",nid);
166 if (nid == NID_id_GostR3411_94) {
167 *digest = &digest_gost;
168 } else if (nid == NID_id_Gost28147_89_MAC) {
169 *digest = &imit_gost_cpa;
177 static int gost_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
178 const int **nids, int nid)
182 *nids = gost_cipher_nids;
183 return 2; /* two ciphers are supported */
186 if (nid == NID_id_Gost28147_89) {
187 *cipher = &cipher_gost;
188 } else if (nid == NID_gost89_cnt) {
189 *cipher = &cipher_gost_cpacnt;
197 static int gost_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
198 const int **nids, int nid)
201 *nids = gost_pkey_meth_nids;
206 case NID_id_GostR3410_2001:
207 *pmeth = pmeth_GostR3410_2001;
209 case NID_id_Gost28147_89_MAC:
210 *pmeth = pmeth_Gost28147_MAC;
219 static int gost_pkey_asn1_meths(ENGINE *e, EVP_PKEY_ASN1_METHOD **ameth,
220 const int **nids, int nid)
223 *nids = gost_pkey_meth_nids;
227 case NID_id_GostR3410_2001:
228 *ameth = ameth_GostR3410_2001;
230 case NID_id_Gost28147_89_MAC:
231 *ameth = ameth_Gost28147_MAC;
241 #ifdef OPENSSL_NO_DYNAMIC_ENGINE
242 static ENGINE *engine_gost(void)
244 ENGINE *ret = ENGINE_new();
247 if (!bind_gost(ret, engine_gost_id)) {
254 void ENGINE_load_gost(void)
257 if (pmeth_GostR3410_2001)
259 toadd = engine_gost();