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/*
 * Copyright (C) 2002-2012 Free Software Foundation, Inc.
 *
 * Author: Nikos Mavrogiannopoulos
 *
 * This file is part of GnuTLS.
 *
 * The GnuTLS is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>
 *
 */

#ifndef GNUTLS_LIB_AUTH_DH_COMMON_H
#define GNUTLS_LIB_AUTH_DH_COMMON_H

#include <auth.h>

typedef struct {
	int secret_bits;

	gnutls_datum_t prime;
	gnutls_datum_t generator;
	gnutls_datum_t public_key;
} dh_info_st;

void _gnutls_free_dh_info(dh_info_st * dh);

int _gnutls_gen_dh_common_client_kx_int(gnutls_session_t,
					gnutls_buffer_st *,
					gnutls_datum_t * pskkey);
int _gnutls_gen_dh_common_client_kx(gnutls_session_t, gnutls_buffer_st *);
int _gnutls_proc_dh_common_client_kx(gnutls_session_t session,
				     uint8_t * data, size_t _data_size,
				     gnutls_datum_t * psk_key);
int _gnutls_dh_common_print_server_kx(gnutls_session_t, 
				      gnutls_buffer_st * data);
int _gnutls_proc_dh_common_server_kx(gnutls_session_t session,
				     uint8_t * data, size_t _data_size);

#endif /* GNUTLS_LIB_AUTH_DH_COMMON_H */