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 = "Reference implementation of GOST engine";
21 /* Symmetric cipher and digest function registrar */
23 static int gost_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
24 const int **nids, int nid);
26 static int gost_digests(ENGINE *e, const EVP_MD **digest,
27 const int **nids, int ind);
29 static int gost_pkey_meths (ENGINE *e, EVP_PKEY_METHOD **pmeth,
30 const int **nids, int nid);
32 static int gost_pkey_asn1_meths (ENGINE *e, EVP_PKEY_ASN1_METHOD **ameth,
33 const int **nids, int nid);
35 static int gost_cipher_nids[] =
36 {NID_id_Gost28147_89, NID_gost89_cnt,0};
38 static int gost_digest_nids[] =
39 {NID_id_GostR3411_94,NID_id_Gost28147_89_MAC, 0};
41 static int gost_pkey_meth_nids[] =
43 NID_id_GostR3410_2001, NID_id_Gost28147_89_MAC, 0};
45 static EVP_PKEY_METHOD *pmeth_GostR3410_94 = NULL,
46 *pmeth_GostR3410_2001 = NULL,
47 *pmeth_Gost28147_MAC = NULL;
49 static EVP_PKEY_ASN1_METHOD *ameth_GostR3410_94 = NULL,
50 *ameth_GostR3410_2001 = NULL,
51 *ameth_Gost28147_MAC = NULL;
54 static int gost_engine_init(ENGINE *e)
59 static int gost_engine_finish(ENGINE *e)
64 static int gost_engine_destroy(ENGINE *e)
70 static int bind_gost (ENGINE *e,const char *id)
73 if (id && strcmp(id, engine_gost_id)) return 0;
75 if (!ENGINE_set_id(e, engine_gost_id))
77 printf("ENGINE_set_id failed\n");
80 if (!ENGINE_set_name(e, engine_gost_name))
82 printf("ENGINE_set_name failed\n");
85 if (!ENGINE_set_digests(e, gost_digests))
87 printf("ENGINE_set_digests failed\n");
90 if (! ENGINE_set_ciphers(e, gost_ciphers))
92 printf("ENGINE_set_ciphers failed\n");
95 if (! ENGINE_set_pkey_meths(e, gost_pkey_meths))
97 printf("ENGINE_set_pkey_meths failed\n");
100 if (! ENGINE_set_pkey_asn1_meths(e, gost_pkey_asn1_meths))
102 printf("ENGINE_set_pkey_asn1_meths failed\n");
105 /* Control function and commands */
106 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))
113 fprintf(stderr,"ENGINE_set_ctrl_func failed\n");
116 if ( ! ENGINE_set_destroy_function(e, gost_engine_destroy)
117 || ! ENGINE_set_init_function(e,gost_engine_init)
118 || ! ENGINE_set_finish_function(e,gost_engine_finish))
123 if (!register_ameth_gost(NID_id_GostR3410_94, &ameth_GostR3410_94, "GOST94", "GOST R 34.10-94")) goto end;
124 if (!register_ameth_gost(NID_id_GostR3410_2001, &ameth_GostR3410_2001, "GOST2001", "GOST R 34.10-2001")) goto end;
125 if (!register_ameth_gost(NID_id_Gost28147_89_MAC, &ameth_Gost28147_MAC,
126 "GOST-MAC", "GOST 28147-89 MAC")) goto end;
128 if (!register_pmeth_gost(NID_id_GostR3410_94, &pmeth_GostR3410_94, 0)) goto end;
129 if (!register_pmeth_gost(NID_id_GostR3410_2001, &pmeth_GostR3410_2001, 0)) goto end;
130 if (!register_pmeth_gost(NID_id_Gost28147_89_MAC, &pmeth_Gost28147_MAC, 0))
132 if ( ! ENGINE_register_ciphers(e)
133 || ! ENGINE_register_digests(e)
134 || ! ENGINE_register_pkey_meths(e)
135 /* These two actually should go in LIST_ADD command */
136 || ! EVP_add_cipher(&cipher_gost)
137 || ! EVP_add_cipher(&cipher_gost_cpacnt)
138 || ! EVP_add_digest(&digest_gost)
139 || ! 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 */
156 static int gost_digests(ENGINE *e, const EVP_MD **digest,
157 const int **nids, int nid)
162 *nids = gost_digest_nids;
165 /*printf("Digest no %d requested\n",nid);*/
166 if(nid == NID_id_GostR3411_94)
168 *digest = &digest_gost;
170 else if (nid == NID_id_Gost28147_89_MAC)
172 *digest = &imit_gost_cpa;
182 static int gost_ciphers (ENGINE *e,const EVP_CIPHER **cipher,
183 const int **nids, int nid)
188 *nids = gost_cipher_nids;
189 return 2; /* two ciphers are supported */
192 if(nid == NID_id_Gost28147_89)
194 *cipher = &cipher_gost;
196 else if (nid == NID_gost89_cnt)
198 *cipher = &cipher_gost_cpacnt;
208 static int gost_pkey_meths (ENGINE *e, EVP_PKEY_METHOD **pmeth,
209 const int **nids, int nid)
213 *nids = gost_pkey_meth_nids;
219 case NID_id_GostR3410_94: *pmeth = pmeth_GostR3410_94; return 1;
220 case NID_id_GostR3410_2001: *pmeth = pmeth_GostR3410_2001; return 1;
221 case NID_id_Gost28147_89_MAC: *pmeth = pmeth_Gost28147_MAC; return 1;
229 static int gost_pkey_asn1_meths (ENGINE *e, EVP_PKEY_ASN1_METHOD **ameth,
230 const int **nids, int nid)
234 *nids = gost_pkey_meth_nids;
239 case NID_id_GostR3410_94: *ameth = ameth_GostR3410_94; return 1;
240 case NID_id_GostR3410_2001: *ameth = ameth_GostR3410_2001; return 1;
241 case NID_id_Gost28147_89_MAC: *ameth = ameth_Gost28147_MAC; return 1;
250 #ifdef OPENSSL_NO_DYNAMIC_ENGINE
251 static ENGINE *engine_gost(void)
253 ENGINE *ret = ENGINE_new();
256 if (!bind_gost(ret,engine_gost_id))
264 void ENGINE_load_gost(void)
266 ENGINE *toadd =engine_gost();