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)
68 pmeth_GostR3410_94 = NULL;
69 pmeth_GostR3410_2001 = NULL;
70 pmeth_Gost28147_MAC = NULL;
71 ameth_GostR3410_94 = NULL;
72 ameth_GostR3410_2001 = NULL;
73 ameth_Gost28147_MAC = NULL;
77 static int bind_gost (ENGINE *e,const char *id)
80 if (id && strcmp(id, engine_gost_id)) return 0;
82 if (!ENGINE_set_id(e, engine_gost_id))
84 printf("ENGINE_set_id failed\n");
87 if (!ENGINE_set_name(e, engine_gost_name))
89 printf("ENGINE_set_name failed\n");
92 if (!ENGINE_set_digests(e, gost_digests))
94 printf("ENGINE_set_digests failed\n");
97 if (! ENGINE_set_ciphers(e, gost_ciphers))
99 printf("ENGINE_set_ciphers failed\n");
102 if (! ENGINE_set_pkey_meths(e, gost_pkey_meths))
104 printf("ENGINE_set_pkey_meths failed\n");
107 if (! ENGINE_set_pkey_asn1_meths(e, gost_pkey_asn1_meths))
109 printf("ENGINE_set_pkey_asn1_meths failed\n");
112 /* Control function and commands */
113 if (!ENGINE_set_cmd_defns(e,gost_cmds))
115 fprintf(stderr,"ENGINE_set_cmd_defns failed\n");
118 if (!ENGINE_set_ctrl_function(e,gost_control_func))
120 fprintf(stderr,"ENGINE_set_ctrl_func failed\n");
123 if ( ! ENGINE_set_destroy_function(e, gost_engine_destroy)
124 || ! ENGINE_set_init_function(e,gost_engine_init)
125 || ! ENGINE_set_finish_function(e,gost_engine_finish))
130 if (!register_ameth_gost(NID_id_GostR3410_94, &ameth_GostR3410_94, "GOST94", "GOST R 34.10-94")) goto end;
131 if (!register_ameth_gost(NID_id_GostR3410_2001, &ameth_GostR3410_2001, "GOST2001", "GOST R 34.10-2001")) goto end;
132 if (!register_ameth_gost(NID_id_Gost28147_89_MAC, &ameth_Gost28147_MAC,
133 "GOST-MAC", "GOST 28147-89 MAC")) goto end;
135 if (!register_pmeth_gost(NID_id_GostR3410_94, &pmeth_GostR3410_94, 0)) goto end;
136 if (!register_pmeth_gost(NID_id_GostR3410_2001, &pmeth_GostR3410_2001, 0)) goto end;
137 if (!register_pmeth_gost(NID_id_Gost28147_89_MAC, &pmeth_Gost28147_MAC, 0))
139 if ( ! ENGINE_register_ciphers(e)
140 || ! ENGINE_register_digests(e)
141 || ! ENGINE_register_pkey_meths(e)
142 /* These two actually should go in LIST_ADD command */
143 || ! EVP_add_cipher(&cipher_gost)
144 || ! EVP_add_cipher(&cipher_gost_cpacnt)
145 || ! EVP_add_digest(&digest_gost)
146 || ! EVP_add_digest(&imit_gost_cpa)
152 ERR_load_GOST_strings();
158 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
159 IMPLEMENT_DYNAMIC_BIND_FN(bind_gost)
160 IMPLEMENT_DYNAMIC_CHECK_FN()
161 #endif /* ndef OPENSSL_NO_DYNAMIC_ENGINE */
163 static int gost_digests(ENGINE *e, const EVP_MD **digest,
164 const int **nids, int nid)
169 *nids = gost_digest_nids;
172 /*printf("Digest no %d requested\n",nid);*/
173 if(nid == NID_id_GostR3411_94)
175 *digest = &digest_gost;
177 else if (nid == NID_id_Gost28147_89_MAC)
179 *digest = &imit_gost_cpa;
189 static int gost_ciphers (ENGINE *e,const EVP_CIPHER **cipher,
190 const int **nids, int nid)
195 *nids = gost_cipher_nids;
196 return 2; /* two ciphers are supported */
199 if(nid == NID_id_Gost28147_89)
201 *cipher = &cipher_gost;
203 else if (nid == NID_gost89_cnt)
205 *cipher = &cipher_gost_cpacnt;
215 static int gost_pkey_meths (ENGINE *e, EVP_PKEY_METHOD **pmeth,
216 const int **nids, int nid)
220 *nids = gost_pkey_meth_nids;
226 case NID_id_GostR3410_94: *pmeth = pmeth_GostR3410_94; return 1;
227 case NID_id_GostR3410_2001: *pmeth = pmeth_GostR3410_2001; return 1;
228 case NID_id_Gost28147_89_MAC: *pmeth = pmeth_Gost28147_MAC; return 1;
236 static int gost_pkey_asn1_meths (ENGINE *e, EVP_PKEY_ASN1_METHOD **ameth,
237 const int **nids, int nid)
241 *nids = gost_pkey_meth_nids;
246 case NID_id_GostR3410_94: *ameth = ameth_GostR3410_94; return 1;
247 case NID_id_GostR3410_2001: *ameth = ameth_GostR3410_2001; return 1;
248 case NID_id_Gost28147_89_MAC: *ameth = ameth_Gost28147_MAC; return 1;
257 #ifdef OPENSSL_NO_DYNAMIC_ENGINE
258 static ENGINE *engine_gost(void)
260 ENGINE *ret = ENGINE_new();
263 if (!bind_gost(ret,engine_gost_id))
271 void ENGINE_load_gost(void)
274 if (pmeth_GostR3410_94)
276 toadd = engine_gost();