/********************************************************************** * engine.c * * Copyright (c) 2005-2006 Cryptocom LTD * * This file is distributed under the same license as OpenSSL * * * * Main file of GOST engine * * for OpenSSL * * Requires OpenSSL 0.9.9 for compilation * **********************************************************************/ #include #include #include #include #include "e_gost_err.h" #include "md.h" #include "crypt.h" #include "meth.h" static const char *engine_gost_id = "gost"; static const char *engine_gost_name = "Reference implementation of GOST engine"; /* Symmetric cipher and digest function registrar */ static int gost_ciphers(ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid); static int gost_digests(ENGINE *e, const EVP_MD **digest, const int **nids, int ind); static int gost_pkey_meths (ENGINE *e, EVP_PKEY_METHOD **pmeth, const int **nids, int nid); static int gost_pkey_asn1_meths (ENGINE *e, EVP_PKEY_ASN1_METHOD **ameth, const int **nids, int nid); static int gost_cipher_nids[] = {NID_id_Gost28147_89, 0}; static int gost_digest_nids[] = {NID_id_GostR3411_94, 0}; static int gost_pkey_meth_nids[] = {NID_id_GostR3410_94_cc, NID_id_GostR3410_94, NID_id_GostR3410_2001_cc, NID_id_GostR3410_2001, 0}; static EVP_PKEY_METHOD *pmeth_GostR3410_94_cc = NULL, *pmeth_GostR3410_94 = NULL, *pmeth_GostR3410_2001_cc = NULL, *pmeth_GostR3410_2001 = NULL; static EVP_PKEY_ASN1_METHOD *ameth_GostR3410_94_cc = NULL, *ameth_GostR3410_94 = NULL, *ameth_GostR3410_2001_cc = NULL, *ameth_GostR3410_2001 = NULL; static int gost_engine_init(ENGINE *e) { return 1; } static int gost_engine_finish(ENGINE *e) { return 1; } static int gost_engine_destroy(ENGINE *e) { return 1; } static int bind_gost (ENGINE *e,const char *id) { int ret = 0; if (id && strcmp(id, engine_gost_id)) return 0; if (!ENGINE_set_id(e, engine_gost_id)) { printf("ENGINE_set_id failed\n"); goto end; } if (!ENGINE_set_name(e, engine_gost_name)) { printf("ENGINE_set_name failed\n"); goto end; } if (!ENGINE_set_digests(e, gost_digests)) { printf("ENGINE_set_digests failed\n"); goto end; } if (! ENGINE_set_ciphers(e, gost_ciphers)) { printf("ENGINE_set_ciphers failed\n"); goto end; } if (! ENGINE_set_pkey_meths(e, gost_pkey_meths)) { printf("ENGINE_set_pkey_meths failed\n"); goto end; } if (! ENGINE_set_pkey_asn1_meths(e, gost_pkey_asn1_meths)) { printf("ENGINE_set_pkey_asn1_meths failed\n"); goto end; } if ( ! ENGINE_set_destroy_function(e, gost_engine_destroy) || ! ENGINE_set_init_function(e,gost_engine_init) || ! ENGINE_set_finish_function(e,gost_engine_finish)) goto end; if (!register_ameth_gost(NID_id_GostR3410_94_cc, &ameth_GostR3410_94_cc, "GOST94CC", "GOST R 34.10-94, Cryptocom LTD implementation")) goto end; if (!register_ameth_gost(NID_id_GostR3410_94, &ameth_GostR3410_94, "GOST94", "GOST R 34.10-94")) goto end; if (!register_ameth_gost(NID_id_GostR3410_2001_cc, &ameth_GostR3410_2001_cc, "GOST2001CC", "GOST R 34.10-2001, Cryptocom LTD implementation")) goto end; if (!register_ameth_gost(NID_id_GostR3410_2001, &ameth_GostR3410_2001, "GOST2001", "GOST R 34.10-2001")) goto end; if (!register_pmeth_gost(NID_id_GostR3410_94_cc, &pmeth_GostR3410_94_cc, 0)) goto end; if (!register_pmeth_gost(NID_id_GostR3410_94, &pmeth_GostR3410_94, 0)) goto end; if (!register_pmeth_gost(NID_id_GostR3410_2001_cc, &pmeth_GostR3410_2001_cc, 0)) goto end; if (!register_pmeth_gost(NID_id_GostR3410_2001, &pmeth_GostR3410_2001, 0)) goto end; if ( ! ENGINE_register_ciphers(e) || ! ENGINE_register_digests(e) || ! ENGINE_register_pkey_meths(e) /* These two actually should go in LIST_ADD command */ || ! EVP_add_cipher(&cipher_gost) || ! EVP_add_digest(&digest_gost) ) goto end; ERR_load_GOST_strings(); ret = 1; end: return ret; } #ifdef _WIN32 extern __declspec( dllexport ) #endif //#ifndef OPENSSL_NO_DYNAMIC_ENGINE IMPLEMENT_DYNAMIC_BIND_FN(bind_gost); #ifdef _WIN32 extern __declspec( dllexport ) #endif IMPLEMENT_DYNAMIC_CHECK_FN(); //#else static ENGINE *engine_gost(void) { ENGINE *ret = ENGINE_new(); if(!ret) return NULL; if(!bind_gost(ret, engine_gost_id)) { ENGINE_free(ret); return NULL; } return ret; } void ENGINE_load_gost(void) { /* Copied from eng_[openssl|dyn].c */ ENGINE *toadd = engine_gost(); if(!toadd) return; ENGINE_add(toadd); ENGINE_free(toadd); ERR_clear_error(); } //#endif /* OPENSSL_NO_DYNAMIC_ENGINE */ static int gost_digests(ENGINE *e, const EVP_MD **digest, const int **nids, int nid) { int ok =1 ; if (!digest) { *nids = gost_digest_nids; return 1; } //printf("Digest no %d requested\n",nid); if(nid == NID_id_GostR3411_94) { *digest = &digest_gost; } else { ok =0; *digest = NULL; } return ok; } static int gost_ciphers (ENGINE *e,const EVP_CIPHER **cipher, const int **nids, int nid) { int ok = 1; if (!cipher) { *nids = gost_cipher_nids; return 1; /* Only one cipher supported */ } if(nid == NID_id_Gost28147_89) { *cipher = &cipher_gost; } else { ok = 0; *cipher = NULL; } return ok; } static int gost_pkey_meths (ENGINE *e, EVP_PKEY_METHOD **pmeth, const int **nids, int nid) { if (!pmeth) { *nids = gost_pkey_meth_nids; return 4; } switch (nid) { case NID_id_GostR3410_94_cc: *pmeth = pmeth_GostR3410_94_cc; return 1; case NID_id_GostR3410_94: *pmeth = pmeth_GostR3410_94; return 1; case NID_id_GostR3410_2001_cc: *pmeth = pmeth_GostR3410_2001_cc; return 1; case NID_id_GostR3410_2001: *pmeth = pmeth_GostR3410_2001; return 1; default:; } *pmeth = NULL; return 0; } static int gost_pkey_asn1_meths (ENGINE *e, EVP_PKEY_ASN1_METHOD **ameth, const int **nids, int nid) { if (!ameth) { *nids = gost_pkey_meth_nids; return 4; } switch (nid) { case NID_id_GostR3410_94_cc: *ameth = ameth_GostR3410_94_cc; return 1; case NID_id_GostR3410_94: *ameth = ameth_GostR3410_94; return 1; case NID_id_GostR3410_2001_cc: *ameth = ameth_GostR3410_2001_cc; return 1; case NID_id_GostR3410_2001: *ameth = ameth_GostR3410_2001; return 1; default:; } *ameth = NULL; return 0; }