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"
19 #include "gost_grasshopper_cipher.h"
21 static const char* engine_gost_id = "gost";
23 static const char* engine_gost_name =
24 "Reference implementation of GOST engine";
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[] = {
52 NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm,
56 static int gost_digest_nids(const int** nids) {
57 static int digest_nids[8] = {0, 0, 0, 0, 0, 0, 0, 0};
63 if ((md = digest_gost()) != NULL)
64 digest_nids[pos++] = EVP_MD_type(md);
65 if ((md = imit_gost_cpa()) != NULL)
66 digest_nids[pos++] = EVP_MD_type(md);
67 if ((md = digest_gost2012_256()) != NULL)
68 digest_nids[pos++] = EVP_MD_type(md);
69 if ((md = digest_gost2012_512()) != NULL)
70 digest_nids[pos++] = EVP_MD_type(md);
71 if ((md = imit_gost_cp_12()) != NULL)
72 digest_nids[pos++] = EVP_MD_type(md);
73 if ((md = magma_omac()) != NULL)
74 digest_nids[pos++] = EVP_MD_type(md);
75 if ((md = grasshopper_omac()) != NULL)
76 digest_nids[pos++] = EVP_MD_type(md);
86 static int gost_pkey_meth_nids[] = {
87 NID_id_GostR3410_2001,
88 NID_id_Gost28147_89_MAC,
89 NID_id_GostR3410_2012_256,
90 NID_id_GostR3410_2012_512,
97 static EVP_PKEY_METHOD* pmeth_GostR3410_2001 = NULL,
98 * pmeth_GostR3410_2012_256 = NULL,
99 * pmeth_GostR3410_2012_512 = NULL,
100 * pmeth_Gost28147_MAC = NULL, * pmeth_Gost28147_MAC_12 = NULL,
101 * pmeth_magma_mac = NULL, * pmeth_grasshopper_mac = NULL;
103 static EVP_PKEY_ASN1_METHOD* ameth_GostR3410_2001 = NULL,
104 * ameth_GostR3410_2012_256 = NULL,
105 * ameth_GostR3410_2012_512 = NULL,
106 * ameth_Gost28147_MAC = NULL, * ameth_Gost28147_MAC_12 = NULL,
107 * ameth_magma_mac = NULL, * ameth_grasshopper_mac = NULL;
109 static int gost_engine_init(ENGINE* e) {
113 static int gost_engine_finish(ENGINE* e) {
117 static int gost_engine_destroy(ENGINE* e) {
118 digest_gost_destroy();
119 digest_gost2012_256_destroy();
120 digest_gost2012_512_destroy();
122 imit_gost_cpa_destroy();
123 imit_gost_cp_12_destroy();
124 magma_omac_destroy();
125 grasshopper_omac_destroy();
127 cipher_gost_destroy();
128 cipher_gost_grasshopper_destroy();
132 pmeth_GostR3410_2001 = NULL;
133 pmeth_Gost28147_MAC = NULL;
134 pmeth_GostR3410_2012_256 = NULL;
135 pmeth_GostR3410_2012_512 = NULL;
136 pmeth_Gost28147_MAC_12 = NULL;
137 pmeth_magma_mac = NULL;
138 pmeth_grasshopper_mac = NULL;
140 ameth_GostR3410_2001 = NULL;
141 ameth_Gost28147_MAC = NULL;
142 ameth_GostR3410_2012_256 = NULL;
143 ameth_GostR3410_2012_512 = NULL;
144 ameth_Gost28147_MAC_12 = NULL;
145 ameth_magma_mac = NULL;
146 ameth_grasshopper_mac = NULL;
148 ERR_unload_GOST_strings();
153 static int bind_gost(ENGINE* e, const char* id) {
155 if (id != NULL && strcmp(id, engine_gost_id) != 0)
157 if (ameth_GostR3410_2001) {
158 printf("GOST engine already loaded\n");
161 if (!ENGINE_set_id(e, engine_gost_id)) {
162 printf("ENGINE_set_id failed\n");
165 if (!ENGINE_set_name(e, engine_gost_name)) {
166 printf("ENGINE_set_name failed\n");
169 if (!ENGINE_set_digests(e, gost_digests)) {
170 printf("ENGINE_set_digests failed\n");
173 if (!ENGINE_set_ciphers(e, gost_ciphers)) {
174 printf("ENGINE_set_ciphers failed\n");
177 if (!ENGINE_set_pkey_meths(e, gost_pkey_meths)) {
178 printf("ENGINE_set_pkey_meths failed\n");
181 if (!ENGINE_set_pkey_asn1_meths(e, gost_pkey_asn1_meths)) {
182 printf("ENGINE_set_pkey_asn1_meths failed\n");
185 /* Control function and commands */
186 if (!ENGINE_set_cmd_defns(e, gost_cmds)) {
187 fprintf(stderr, "ENGINE_set_cmd_defns failed\n");
190 if (!ENGINE_set_ctrl_function(e, gost_control_func)) {
191 fprintf(stderr, "ENGINE_set_ctrl_func failed\n");
194 if (!ENGINE_set_destroy_function(e, gost_engine_destroy)
195 || !ENGINE_set_init_function(e, gost_engine_init)
196 || !ENGINE_set_finish_function(e, gost_engine_finish)) {
200 if (!register_ameth_gost
201 (NID_id_GostR3410_2001, &ameth_GostR3410_2001, "GOST2001",
202 "GOST R 34.10-2001"))
204 if (!register_ameth_gost
205 (NID_id_GostR3410_2012_256, &ameth_GostR3410_2012_256, "GOST2012_256",
206 "GOST R 34.10-2012 with 256 bit key"))
208 if (!register_ameth_gost
209 (NID_id_GostR3410_2012_512, &ameth_GostR3410_2012_512, "GOST2012_512",
210 "GOST R 34.10-2012 with 512 bit key"))
212 if (!register_ameth_gost(NID_id_Gost28147_89_MAC, &ameth_Gost28147_MAC,
213 "GOST-MAC", "GOST 28147-89 MAC"))
215 if (!register_ameth_gost(NID_gost_mac_12, &ameth_Gost28147_MAC_12,
217 "GOST 28147-89 MAC with 2012 params"))
219 if (!register_ameth_gost(NID_magma_mac, &ameth_magma_mac,
220 "MAGMA-MAC", "GOST R 34.13-2015 Magma MAC"))
222 if (!register_ameth_gost(NID_grasshopper_mac, &ameth_grasshopper_mac,
223 "GRASSHOPPER-MAC", "GOST R 34.13-2015 Grasshopper MAC"))
226 if (!register_pmeth_gost(NID_id_GostR3410_2001, &pmeth_GostR3410_2001, 0))
229 if (!register_pmeth_gost
230 (NID_id_GostR3410_2012_256, &pmeth_GostR3410_2012_256, 0))
232 if (!register_pmeth_gost
233 (NID_id_GostR3410_2012_512, &pmeth_GostR3410_2012_512, 0))
235 if (!register_pmeth_gost
236 (NID_id_Gost28147_89_MAC, &pmeth_Gost28147_MAC, 0))
238 if (!register_pmeth_gost(NID_gost_mac_12, &pmeth_Gost28147_MAC_12, 0))
240 if (!register_pmeth_gost(NID_magma_mac, &pmeth_magma_mac, 0))
242 if (!register_pmeth_gost(NID_grasshopper_mac, &pmeth_grasshopper_mac, 0))
244 if (!ENGINE_register_ciphers(e)
245 || !ENGINE_register_digests(e)
246 || !ENGINE_register_pkey_meths(e)
247 /* These two actually should go in LIST_ADD command */
248 || !EVP_add_cipher(cipher_gost())
249 || !EVP_add_cipher(cipher_gost_cbc())
250 || !EVP_add_cipher(cipher_gost_cpacnt())
251 || !EVP_add_cipher(cipher_gost_cpcnt_12())
252 || !EVP_add_cipher(cipher_gost_grasshopper_ecb())
253 || !EVP_add_cipher(cipher_gost_grasshopper_cbc())
254 || !EVP_add_cipher(cipher_gost_grasshopper_cfb())
255 || !EVP_add_cipher(cipher_gost_grasshopper_ofb())
256 || !EVP_add_cipher(cipher_gost_grasshopper_ctr())
257 || !EVP_add_cipher(cipher_gost_grasshopper_ctracpkm())
258 || !EVP_add_cipher(cipher_magma_cbc())
259 || !EVP_add_cipher(cipher_magma_ctr())
260 || !EVP_add_digest(digest_gost())
261 || !EVP_add_digest(digest_gost2012_512())
262 || !EVP_add_digest(digest_gost2012_256())
263 || !EVP_add_digest(imit_gost_cpa())
264 || !EVP_add_digest(imit_gost_cp_12())
265 || !EVP_add_digest(magma_omac())
266 || !EVP_add_digest(grasshopper_omac())
271 ENGINE_register_all_complete();
273 ERR_load_GOST_strings();
279 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
280 IMPLEMENT_DYNAMIC_BIND_FN(bind_gost)
281 IMPLEMENT_DYNAMIC_CHECK_FN()
282 #endif /* ndef OPENSSL_NO_DYNAMIC_ENGINE */
284 static int gost_digests(ENGINE* e, const EVP_MD** digest,
285 const int** nids, int nid) {
287 if (digest == NULL) {
288 return gost_digest_nids(nids);
290 if (nid == NID_id_GostR3411_94) {
291 *digest = digest_gost();
292 } else if (nid == NID_id_Gost28147_89_MAC) {
293 *digest = imit_gost_cpa();
294 } else if (nid == NID_id_GostR3411_2012_256) {
295 *digest = digest_gost2012_256();
296 } else if (nid == NID_id_GostR3411_2012_512) {
297 *digest = digest_gost2012_512();
298 } else if (nid == NID_gost_mac_12) {
299 *digest = imit_gost_cp_12();
300 } else if (nid == NID_magma_mac) {
301 *digest = magma_omac();
302 } else if (nid == NID_grasshopper_mac) {
303 *digest = grasshopper_omac();
311 static int gost_ciphers(ENGINE* e, const EVP_CIPHER** cipher,
312 const int** nids, int nid) {
314 if (cipher == NULL) {
315 *nids = gost_cipher_nids;
316 return sizeof(gost_cipher_nids) / sizeof(gost_cipher_nids[0]) - 1;
319 if (nid == NID_id_Gost28147_89) {
320 *cipher = cipher_gost();
321 } else if (nid == NID_gost89_cnt) {
322 *cipher = cipher_gost_cpacnt();
323 } else if (nid == NID_gost89_cnt_12) {
324 *cipher = cipher_gost_cpcnt_12();
325 } else if (nid == NID_gost89_cbc) {
326 *cipher = cipher_gost_cbc();
327 } else if (nid == NID_grasshopper_ecb) {
328 *cipher = cipher_gost_grasshopper_ecb();
329 } else if (nid == NID_grasshopper_cbc) {
330 *cipher = cipher_gost_grasshopper_cbc();
331 } else if (nid == NID_grasshopper_cfb) {
332 *cipher = cipher_gost_grasshopper_cfb();
333 } else if (nid == NID_grasshopper_ofb) {
334 *cipher = cipher_gost_grasshopper_ofb();
335 } else if (nid == NID_grasshopper_ctr) {
336 *cipher = cipher_gost_grasshopper_ctr();
337 } else if (nid == NID_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm) {
338 *cipher = cipher_gost_grasshopper_ctracpkm();
339 } else if (nid == NID_magma_cbc) {
340 *cipher = cipher_magma_cbc();
341 } else if (nid == NID_magma_ctr) {
342 *cipher = cipher_magma_ctr();
350 static int gost_pkey_meths(ENGINE* e, EVP_PKEY_METHOD** pmeth,
351 const int** nids, int nid) {
353 *nids = gost_pkey_meth_nids;
354 return sizeof(gost_pkey_meth_nids) / sizeof(gost_pkey_meth_nids[0]) - 1;
358 case NID_id_GostR3410_2001:
359 *pmeth = pmeth_GostR3410_2001;
361 case NID_id_GostR3410_2012_256:
362 *pmeth = pmeth_GostR3410_2012_256;
364 case NID_id_GostR3410_2012_512:
365 *pmeth = pmeth_GostR3410_2012_512;
367 case NID_id_Gost28147_89_MAC:
368 *pmeth = pmeth_Gost28147_MAC;
370 case NID_gost_mac_12:
371 *pmeth = pmeth_Gost28147_MAC_12;
374 *pmeth = pmeth_magma_mac;
376 case NID_grasshopper_mac:
377 *pmeth = pmeth_grasshopper_mac;
387 static int gost_pkey_asn1_meths(ENGINE* e, EVP_PKEY_ASN1_METHOD** ameth,
388 const int** nids, int nid) {
390 *nids = gost_pkey_meth_nids;
391 return sizeof(gost_pkey_meth_nids) / sizeof(gost_pkey_meth_nids[0]) - 1;
395 case NID_id_GostR3410_2001:
396 *ameth = ameth_GostR3410_2001;
398 case NID_id_GostR3410_2012_256:
399 *ameth = ameth_GostR3410_2012_256;
401 case NID_id_GostR3410_2012_512:
402 *ameth = ameth_GostR3410_2012_512;
404 case NID_id_Gost28147_89_MAC:
405 *ameth = ameth_Gost28147_MAC;
407 case NID_gost_mac_12:
408 *ameth = ameth_Gost28147_MAC_12;
411 *ameth = ameth_magma_mac;
413 case NID_grasshopper_mac:
414 *ameth = ameth_grasshopper_mac;
424 #ifdef OPENSSL_NO_DYNAMIC_ENGINE
426 static ENGINE* engine_gost(void) {
427 ENGINE* ret = ENGINE_new();
430 if (!bind_gost(ret, engine_gost_id)) {
437 void ENGINE_load_gost(void) {
439 if (pmeth_GostR3410_2001)
441 toadd = engine_gost();