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openssl/engines/ccgost/gost_pmeth.c

Index: openssl/engines/ccgost/gost_pmeth.c
===================================================================
--- openssl/engines/ccgost/gost_pmeth.c	(revision 0)
+++ openssl/engines/ccgost/gost_pmeth.c	(revision 0)
@@ -0,0 +1,621 @@
+/**********************************************************************
+ *                          gost_pmeth.c                              *
+ *             Copyright (c) 2005-2006 Cryptocom LTD                  *
+ *         This file is distributed under the same license as OpenSSL *
+ *                                                                    *
+ *   Implementation of RFC 4357 (GOST R 34.10) Publick key method     *
+ *       for OpenSSL                                                  *
+ *          Requires OpenSSL 0.9.9 for compilation                    *
+ **********************************************************************/
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/ec.h>
+#include <openssl/x509v3.h> /*For string_to_hex */
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include "gost_params.h"
+#include "gost_lcl.h"
+#include "e_gost_err.h"
+/*-------init, cleanup, copy - uniform for all algs  ---------------*/
+/* Allocates new gost_pmeth_data structure and assigns it as data */
+static int pkey_gost_init(EVP_PKEY_CTX *ctx)
+	{
+	struct gost_pmeth_data *data;
+	EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+	data = OPENSSL_malloc(sizeof(struct gost_pmeth_data));
+	if (!data) return 0;
+	memset(data,0,sizeof(struct gost_pmeth_data));
+	if (pkey && EVP_PKEY_get0(pkey)) 
+		{
+		switch (EVP_PKEY_base_id(pkey)) {
+		case NID_id_GostR3410_94:
+		  data->sign_param_nid = gost94_nid_by_params(EVP_PKEY_get0(pkey));
+		  break;
+		case NID_id_GostR3410_2001:
+		   data->sign_param_nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(EVP_PKEY_get0((EVP_PKEY *)pkey)));
+		break;
+		default:
+			return 0;
+		}	  
+		}
+	EVP_PKEY_CTX_set_data(ctx,data);
+	return 1;
+	}
+
+/* Copies contents of gost_pmeth_data structure */
+static int pkey_gost_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+	{
+	struct gost_pmeth_data *dst_data,*src_data;
+	if (!pkey_gost_init(dst))
+		{
+		return 0;
+		}
+	src_data = EVP_PKEY_CTX_get_data(src);
+	dst_data = EVP_PKEY_CTX_get_data(dst);
+	*dst_data = *src_data;
+	if (src_data -> shared_ukm) {
+		dst_data->shared_ukm=NULL;
+	}	
+	return 1;
+	}
+
+/* Frees up gost_pmeth_data structure */
+static void pkey_gost_cleanup (EVP_PKEY_CTX *ctx)
+	{
+	struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+	if (data->shared_ukm) OPENSSL_free(data->shared_ukm);
+	OPENSSL_free(data);
+	}	
+
+/* --------------------- control functions  ------------------------------*/
+static int pkey_gost_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+	{
+	struct gost_pmeth_data *pctx = (struct gost_pmeth_data*)EVP_PKEY_CTX_get_data(ctx);
+	switch (type)
+		{
+		case EVP_PKEY_CTRL_MD:
+		{
+		if (EVP_MD_type((const EVP_MD *)p2) != NID_id_GostR3411_94)
+			{
+			GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
+			return 0;
+			}
+		pctx->md = (EVP_MD *)p2;
+		return 1;
+		}
+		break;
+
+		case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
+		case EVP_PKEY_CTRL_PKCS7_DECRYPT:
+		case EVP_PKEY_CTRL_PKCS7_SIGN:
+			return 1;
+
+		case EVP_PKEY_CTRL_GOST_PARAMSET:
+			pctx->sign_param_nid = (int)p1;
+			return 1;
+		case EVP_PKEY_CTRL_SET_IV:
+			pctx->shared_ukm=OPENSSL_malloc((int)p1);
+			memcpy(pctx->shared_ukm,p2,(int) p1);
+			return 1;
+		case EVP_PKEY_CTRL_PEER_KEY:
+			if (p1 == 0 || p1 == 1) /* call from EVP_PKEY_derive_set_peer */
+				return 1;
+			if (p1 == 2)		/* TLS: peer key used? */
+				return pctx->peer_key_used;
+			if (p1 == 3)		/* TLS: peer key used! */
+				return (pctx->peer_key_used = 1);
+			return -2;
+		}
+	return -2;
+	}
+
+
+static int pkey_gost_ctrl94_str(EVP_PKEY_CTX *ctx,
+	const char *type, const char *value)
+	{
+	int param_nid=0;
+	if(!strcmp(type, param_ctrl_string))
+		{
+		if (!value)
+			{
+			return 0;
+			}
+		if (strlen(value) == 1)
+			{
+			switch(toupper(value[0]))
+				{
+				case 'A':
+					param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
+					break;
+				case 'B':
+					param_nid = NID_id_GostR3410_94_CryptoPro_B_ParamSet;
+					break;
+				case 'C':
+					param_nid = NID_id_GostR3410_94_CryptoPro_C_ParamSet;
+					break;
+				case 'D':
+					param_nid = NID_id_GostR3410_94_CryptoPro_D_ParamSet;
+					break;
+				default:
+					return 0;
+					break;
+				}
+			}
+		else if ((strlen(value) == 2) && (toupper(value[0]) == 'X'))
+			{
+			switch (toupper(value[1]))
+				{
+				case 'A':
+					param_nid = NID_id_GostR3410_94_CryptoPro_XchA_ParamSet;
+					break;
+				case 'B':
+					param_nid = NID_id_GostR3410_94_CryptoPro_XchB_ParamSet;
+					break;
+				case 'C':
+					param_nid = NID_id_GostR3410_94_CryptoPro_XchC_ParamSet;
+					break;
+				default:
+					return 0;
+					break;
+				}
+			}
+		else
+			{
+			R3410_params *p = R3410_paramset;
+			param_nid = OBJ_txt2nid(value);
+			if (param_nid == NID_undef)
+				{
+				return 0;
+				}
+			for (;p->nid != NID_undef;p++)
+				{
+				if (p->nid == param_nid) break;
+				}
+			if (p->nid == NID_undef)
+				{
+				GOSTerr(GOST_F_PKEY_GOST_CTRL94_STR,
+					GOST_R_INVALID_PARAMSET);
+				return 0;
+				}
+			}
+
+		return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
+			param_nid, NULL);
+		}
+	return -2;
+	}
+
+static int pkey_gost_ctrl01_str(EVP_PKEY_CTX *ctx,
+	const char *type, const char *value)
+	{
+	int param_nid=0;
+	if(!strcmp(type, param_ctrl_string))
+		{
+		if (!value)
+			{
+			return 0;
+			}
+		if (strlen(value) == 1)
+			{
+			switch(toupper(value[0]))
+				{
+				case 'A':
+					param_nid = NID_id_GostR3410_2001_CryptoPro_A_ParamSet;
+					break;	
+				case 'B':
+					param_nid = NID_id_GostR3410_2001_CryptoPro_B_ParamSet;
+					break;
+				case 'C':
+					param_nid = NID_id_GostR3410_2001_CryptoPro_C_ParamSet;
+					break;
+				case '0':
+					param_nid = NID_id_GostR3410_2001_TestParamSet;
+					break;
+				default:
+					return 0;
+					break;
+				}
+			}
+		else if ((strlen(value) == 2) && (toupper(value[0]) == 'X'))
+			{
+			switch (toupper(value[1]))
+				{
+				case 'A':
+					param_nid = NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet;
+					break;
+				case 'B':
+					param_nid = NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet;
+					break;
+				default:
+					return 0;
+					break;
+				}
+			}
+		else
+			{
+			R3410_2001_params *p = R3410_2001_paramset;
+			param_nid = OBJ_txt2nid(value);
+			if (param_nid == NID_undef)
+				{
+				return 0;
+				}
+			for (;p->nid != NID_undef;p++)
+				{
+				if (p->nid == param_nid) break;
+				}
+			if (p->nid == NID_undef)
+				{
+				GOSTerr(GOST_F_PKEY_GOST_CTRL01_STR,
+					GOST_R_INVALID_PARAMSET);
+				return 0;
+				}
+			}
+
+		return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
+			param_nid, NULL);
+		}
+	return -2;
+	}
+
+/* --------------------- key generation  --------------------------------*/
+
+static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx) {
+	return 1;
+}	
+static int pkey_gost94_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) 
+	{
+	struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+	DSA *dsa=NULL;
+	if (data->sign_param_nid == NID_undef)
+		{
+			GOSTerr(GOST_F_PKEY_GOST94_PARAMGEN,
+				GOST_R_NO_PARAMETERS_SET);
+			return 0;
+		}
+	dsa = DSA_new();
+	if (!fill_GOST94_params(dsa,data->sign_param_nid))
+		{
+		DSA_free(dsa);
+		return 0;
+		}
+	EVP_PKEY_assign(pkey,NID_id_GostR3410_94,dsa);
+	return 1;
+	}
+static int pkey_gost01_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+	{
+	struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+	EC_KEY *ec=NULL;
+
+	if (data->sign_param_nid == NID_undef)
+		{
+			GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN,
+				GOST_R_NO_PARAMETERS_SET);
+			return 0;
+		}
+	if (!ec) 	
+		ec = EC_KEY_new();
+	if (!fill_GOST2001_params(ec,data->sign_param_nid))
+		{
+		EC_KEY_free(ec);
+		return 0;
+		}
+	EVP_PKEY_assign(pkey,NID_id_GostR3410_2001,ec);
+	return 1;
+	}
+
+/* Generates Gost_R3410_94_cp key */
+static int pkey_gost94cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+	{
+	DSA *dsa;
+	if (!pkey_gost94_paramgen(ctx,pkey)) return 0;
+	dsa = EVP_PKEY_get0(pkey);
+	gost_sign_keygen(dsa);
+	return 1;
+	}
+
+/* Generates GOST_R3410 2001 key and assigns it using specified type */
+static int pkey_gost01cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+	{
+	EC_KEY *ec;
+    if (!pkey_gost01_paramgen(ctx,pkey)) return 0;
+	ec = EVP_PKEY_get0(pkey);
+	gost2001_keygen(ec);
+	return 1;
+	}
+
+
+
+/* ----------- sign callbacks --------------------------------------*/
+
+static int pkey_gost94_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+	const unsigned char *tbs, size_t tbs_len)
+	{
+	DSA_SIG *unpacked_sig=NULL;
+	EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+	if (!siglen) return 0;
+	if (!sig)
+		{
+		*siglen= 64; /* better to check size of pkey->pkey.dsa-q */
+		return 1;
+		}	
+	unpacked_sig = gost_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
+	if (!unpacked_sig)
+		{
+		return 0;
+		}
+	return pack_sign_cp(unpacked_sig,32,sig,siglen);
+	}
+
+static int pkey_gost01_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+	const unsigned char *tbs, size_t tbs_len)
+	{
+	DSA_SIG *unpacked_sig=NULL;
+	EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+	if (!siglen) return 0;
+	if (!sig)
+		{
+		*siglen= 64; /* better to check size of curve order*/
+		return 1;
+		}	
+	unpacked_sig = gost2001_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
+	if (!unpacked_sig)
+		{
+		return 0;
+		}
+	return pack_sign_cp(unpacked_sig,32,sig,siglen);
+	}
+
+/* ------------------- verify callbacks ---------------------------*/
+
+static int pkey_gost94_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
+	size_t siglen, const unsigned char *tbs, size_t tbs_len)
+	{
+	int ok = 0;
+	EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
+	DSA_SIG *s=unpack_cp_signature(sig,siglen);
+	if (!s) return 0;
+	if (pub_key) ok = gost_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
+	DSA_SIG_free(s);
+	return ok;
+	}
+
+
+static int pkey_gost01_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
+	size_t siglen, const unsigned char *tbs, size_t tbs_len)
+	{
+	int ok = 0;
+	EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
+	DSA_SIG *s=unpack_cp_signature(sig,siglen);
+	if (!s) return 0;
+#ifdef DEBUG_SIGN	
+	fprintf(stderr,"R=");
+	BN_print_fp(stderr,s->r);
+	fprintf(stderr,"\nS=");
+	BN_print_fp(stderr,s->s);
+	fprintf(stderr,"\n");
+#endif	
+	if (pub_key) ok = gost2001_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
+	DSA_SIG_free(s);
+	return ok;
+	}
+
+/* ------------- encrypt init -------------------------------------*/
+/* Generates ephermeral key */
+static int pkey_gost_encrypt_init(EVP_PKEY_CTX *ctx)
+	{
+	return 1;
+	}
+/* --------------- Derive init ------------------------------------*/
+static int pkey_gost_derive_init(EVP_PKEY_CTX *ctx)
+{
+	return 1;
+}
+/* -------- PKEY_METHOD for GOST MAC algorithm --------------------*/
+static int pkey_gost_mac_init(EVP_PKEY_CTX *ctx)
+	{
+	struct gost_mac_pmeth_data *data;
+	data = OPENSSL_malloc(sizeof(struct gost_mac_pmeth_data));
+	if (!data) return 0;
+	memset(data,0,sizeof(struct gost_mac_pmeth_data));
+	EVP_PKEY_CTX_set_data(ctx,data);
+	return 1;
+	}	
+static void pkey_gost_mac_cleanup (EVP_PKEY_CTX *ctx)
+	{
+	struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+	OPENSSL_free(data);
+	}	
+static int pkey_gost_mac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+	{
+	struct gost_mac_pmeth_data *dst_data,*src_data;
+	if (!pkey_gost_mac_init(dst))
+		{
+		return 0;
+		}
+	src_data = EVP_PKEY_CTX_get_data(src);
+	dst_data = EVP_PKEY_CTX_get_data(dst);
+	*dst_data = *src_data;
+	return 1;
+	}
+	
+static int pkey_gost_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+	{
+	struct gost_mac_pmeth_data *data =
+(struct gost_mac_pmeth_data*)EVP_PKEY_CTX_get_data(ctx);
+
+	switch (type)
+		{
+		case EVP_PKEY_CTRL_MD:
+		{
+		if (EVP_MD_type((const EVP_MD *)p2) != NID_id_Gost28147_89_MAC)
+			{
+			GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL, GOST_R_INVALID_DIGEST_TYPE);
+			return 0;
+			}
+		data->md = (EVP_MD *)p2;
+		return 1;
+		}
+		break;
+
+		case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
+		case EVP_PKEY_CTRL_PKCS7_DECRYPT:
+		case EVP_PKEY_CTRL_PKCS7_SIGN:
+			return 1;
+		case EVP_PKEY_CTRL_SET_MAC_KEY:
+			if (p1 != 32) 
+				{
+				GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
+					GOST_R_INVALID_MAC_KEY_LENGTH);
+				return 0;
+				}
+
+			memcpy(data->key,p2,32);
+			data->key_set = 1;
+			return 1;
+		case EVP_PKEY_CTRL_DIGESTINIT:
+			{ 
+			EVP_MD_CTX *mctx = p2;
+			void *key;
+			if (!data->key_set)
+				{ 
+				EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+				if (!pkey) 
+					{
+					GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
+					return 0;
+					}
+				key = EVP_PKEY_get0(pkey);
+				if (!key) 
+					{
+					GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
+					return 0;
+					}
+				} else {
+				key = &(data->key);
+				}
+			return mctx->digest->md_ctrl(mctx,EVP_MD_CTRL_SET_KEY,32,key);
+			}  
+		}	
+	return -2;
+	}
+static int pkey_gost_mac_ctrl_str(EVP_PKEY_CTX *ctx,
+	const char *type, const char *value)
+	{
+	if (!strcmp(type, key_ctrl_string)) 
+		{
+		if (strlen(value)!=32) 
+			{
+			GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
+				GOST_R_INVALID_MAC_KEY_LENGTH);
+			return 0;	
+			}
+		return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
+			32,(char *)value);
+		}
+	if (!strcmp(type, hexkey_ctrl_string)) 
+		{
+			long keylen; int ret;
+			unsigned char *keybuf=string_to_hex(value,&keylen);
+			if (keylen != 32) 
+				{
+				GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
+					GOST_R_INVALID_MAC_KEY_LENGTH);
+				return 0;	
+				}
+			ret= pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
+				32,keybuf);
+			OPENSSL_free(keybuf);
+			return ret;
+	
+		}
+	return -2;
+	}	
+
+static int pkey_gost_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+	{
+		struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+		unsigned char *keydata;
+		if (!data->key_set) 
+		{
+			GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN,GOST_R_MAC_KEY_NOT_SET);
+			return 0;
+		}
+		keydata = OPENSSL_malloc(32);
+		memcpy(keydata,data->key,32);
+		EVP_PKEY_assign(pkey, NID_id_Gost28147_89_MAC, keydata);
+		return 1;
+	}
+
+static int pkey_gost_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
+	{
+	return 1;
+}
+
+static int pkey_gost_mac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, EVP_MD_CTX *mctx)
+	{
+		unsigned int tmpsiglen=*siglen; /* for platforms where sizeof(int)!=sizeof(size_t)*/
+		int ret;
+		if (!sig) 
+			{
+			*siglen = 4;
+			return 1;
+			}
+		ret=EVP_DigestFinal_ex(mctx,sig,&tmpsiglen);
+		*siglen = tmpsiglen;
+		return ret;
+	}
+/* ----------------------------------------------------------------*/
+int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth,int flags)
+	{
+	*pmeth = EVP_PKEY_meth_new(id, flags);
+	if (!*pmeth) return 0;
+
+	switch (id)
+		{
+		case NID_id_GostR3410_94:
+			EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl94_str);
+			EVP_PKEY_meth_set_keygen(*pmeth,NULL,pkey_gost94cp_keygen);
+			EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost94_cp_sign);
+			EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost94_cp_verify);
+			EVP_PKEY_meth_set_encrypt(*pmeth,
+				pkey_gost_encrypt_init, pkey_GOST94cp_encrypt);
+			EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cp_decrypt);
+			EVP_PKEY_meth_set_derive(*pmeth,
+				pkey_gost_derive_init, pkey_gost94_derive);
+			EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost94_paramgen);	
+			break;
+		case NID_id_GostR3410_2001:
+			EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl01_str);
+			EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost01_cp_sign);
+			EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost01_cp_verify);
+
+			EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost01cp_keygen);
+
+			EVP_PKEY_meth_set_encrypt(*pmeth,
+				pkey_gost_encrypt_init, pkey_GOST01cp_encrypt);
+			EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cp_decrypt);
+			EVP_PKEY_meth_set_derive(*pmeth,
+				pkey_gost_derive_init, pkey_gost2001_derive);
+			EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost01_paramgen);	
+			break;
+		case NID_id_Gost28147_89_MAC:
+			EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_mac_ctrl, pkey_gost_mac_ctrl_str);
+			EVP_PKEY_meth_set_signctx(*pmeth,pkey_gost_mac_signctx_init, pkey_gost_mac_signctx);
+			EVP_PKEY_meth_set_keygen(*pmeth,NULL, pkey_gost_mac_keygen);
+			EVP_PKEY_meth_set_init(*pmeth,pkey_gost_mac_init);
+			EVP_PKEY_meth_set_cleanup(*pmeth,pkey_gost_mac_cleanup);
+			EVP_PKEY_meth_set_copy(*pmeth,pkey_gost_mac_copy);
+			return 1;
+		default: /*Unsupported method*/
+			return 0;
+		}
+	EVP_PKEY_meth_set_init(*pmeth, pkey_gost_init);
+	EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_cleanup);
+
+	EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_copy);
+	/*FIXME derive etc...*/
+	
+	return 1;
+	}
+