+++ /dev/null
-/**********************************************************************
- * gost_eng.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 <string.h>
-#include <openssl/crypto.h>
-#include <openssl/err.h>
-#include <openssl/evp.h>
-#include <openssl/engine.h>
-#include <openssl/obj_mac.h>
-#include "e_gost_err.h"
-#include "gost_lcl.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, NID_gost89_cnt,0};
-
-static int gost_digest_nids[] =
- {NID_id_GostR3411_94,NID_id_Gost28147_89_MAC, 0};
-
-static int gost_pkey_meth_nids[] =
- {NID_id_GostR3410_94,
- NID_id_GostR3410_2001, NID_id_Gost28147_89_MAC, 0};
-
-static EVP_PKEY_METHOD *pmeth_GostR3410_94 = NULL,
- *pmeth_GostR3410_2001 = NULL,
- *pmeth_Gost28147_MAC = NULL;
-
-static EVP_PKEY_ASN1_METHOD *ameth_GostR3410_94 = NULL,
- *ameth_GostR3410_2001 = NULL,
- *ameth_Gost28147_MAC = 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)
- {
- gost_param_free();
-
- pmeth_GostR3410_94 = NULL;
- pmeth_GostR3410_2001 = NULL;
- pmeth_Gost28147_MAC = NULL;
- ameth_GostR3410_94 = NULL;
- ameth_GostR3410_2001 = NULL;
- ameth_Gost28147_MAC = NULL;
- return 1;
- }
-
-static int bind_gost (ENGINE *e,const char *id)
- {
- int ret = 0;
- if (id && strcmp(id, engine_gost_id)) return 0;
- if (ameth_GostR3410_94)
- {
- printf("GOST engine already loaded\n");
- goto end;
- }
-
- 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;
- }
- /* Control function and commands */
- if (!ENGINE_set_cmd_defns(e,gost_cmds))
- {
- fprintf(stderr,"ENGINE_set_cmd_defns failed\n");
- goto end;
- }
- if (!ENGINE_set_ctrl_function(e,gost_control_func))
- {
- fprintf(stderr,"ENGINE_set_ctrl_func 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, &ameth_GostR3410_94, "GOST94", "GOST R 34.10-94")) goto end;
- if (!register_ameth_gost(NID_id_GostR3410_2001, &ameth_GostR3410_2001, "GOST2001", "GOST R 34.10-2001")) goto end;
- if (!register_ameth_gost(NID_id_Gost28147_89_MAC, &ameth_Gost28147_MAC,
- "GOST-MAC", "GOST 28147-89 MAC")) goto end;
-
- if (!register_pmeth_gost(NID_id_GostR3410_94, &pmeth_GostR3410_94, 0)) goto end;
- if (!register_pmeth_gost(NID_id_GostR3410_2001, &pmeth_GostR3410_2001, 0)) goto end;
- if (!register_pmeth_gost(NID_id_Gost28147_89_MAC, &pmeth_Gost28147_MAC, 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_cipher(&cipher_gost_cpacnt)
- || ! EVP_add_digest(&digest_gost)
- || ! EVP_add_digest(&imit_gost_cpa)
- )
- {
- goto end;
- }
-
- ERR_load_GOST_strings();
- ret = 1;
- end:
- return ret;
- }
-
-#ifndef OPENSSL_NO_DYNAMIC_ENGINE
-IMPLEMENT_DYNAMIC_BIND_FN(bind_gost)
-IMPLEMENT_DYNAMIC_CHECK_FN()
-#endif /* ndef 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 2;
- }
- /*printf("Digest no %d requested\n",nid);*/
- if(nid == NID_id_GostR3411_94)
- {
- *digest = &digest_gost;
- }
- else if (nid == NID_id_Gost28147_89_MAC)
- {
- *digest = &imit_gost_cpa;
- }
- 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 2; /* two ciphers are supported */
- }
-
- if(nid == NID_id_Gost28147_89)
- {
- *cipher = &cipher_gost;
- }
- else if (nid == NID_gost89_cnt)
- {
- *cipher = &cipher_gost_cpacnt;
- }
- 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 3;
- }
-
- switch (nid)
- {
- case NID_id_GostR3410_94: *pmeth = pmeth_GostR3410_94; return 1;
- case NID_id_GostR3410_2001: *pmeth = pmeth_GostR3410_2001; return 1;
- case NID_id_Gost28147_89_MAC: *pmeth = pmeth_Gost28147_MAC; 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 3;
- }
- switch (nid)
- {
- case NID_id_GostR3410_94: *ameth = ameth_GostR3410_94; return 1;
- case NID_id_GostR3410_2001: *ameth = ameth_GostR3410_2001; return 1;
- case NID_id_Gost28147_89_MAC: *ameth = ameth_Gost28147_MAC; return 1;
-
- default:;
- }
-
- *ameth = NULL;
- return 0;
- }
-
-#ifdef OPENSSL_NO_DYNAMIC_ENGINE
-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)
- {
- ENGINE *toadd;
- if (pmeth_GostR3410_94)
- return;
- toadd = engine_gost();
- if (!toadd) return;
- ENGINE_add(toadd);
- ENGINE_free(toadd);
- ERR_clear_error();
- }
-#endif
-
projects / cassiopeia.git / blobdiff