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/*
 * Copyright (C) 2003, 2004, 2005 Free Software Foundation
 *
 * Author: Nikos Mavroyanopoulos
 *
 * This file is part of GNUTLS.
 *
 * The GNUTLS library 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 * USA
 *
 */

int _gnutls_x509_crt_get_extension(gnutls_x509_crt_t cert,
				   const char *extension_id, int indx,
				   gnutls_datum_t * ret,
				   unsigned int *critical);

int _gnutls_x509_crt_get_extension_oid(gnutls_x509_crt_t cert,
				       int indx, void *ret,
				       size_t * ret_size);
int _gnutls_x509_ext_extract_keyUsage(uint16 * keyUsage,
				      opaque * extnValue,
				      int extnValueLen);
int _gnutls_x509_ext_extract_basicConstraints(int *CA, opaque * extnValue,
					      int extnValueLen);

int _gnutls_x509_crt_set_extension(gnutls_x509_crt_t cert,
				   const char *extension_id,
				   const gnutls_datum_t * ext_data,
				   unsigned int critical);
int _gnutls_x509_ext_gen_basicConstraints(int CA,
					  gnutls_datum_t * der_ext);
int _gnutls_x509_ext_gen_keyUsage(uint16 usage, gnutls_datum_t * der_ext);
int _gnutls_x509_ext_gen_subject_alt_name(gnutls_x509_subject_alt_name_t
					  type, const char *data_string,
					  gnutls_datum_t * der_ext);
int _gnutls_x509_ext_gen_crl_dist_points(gnutls_x509_subject_alt_name_t
					 type, const void *data_string,
					 unsigned int reason_flags,
					 gnutls_datum_t * der_ext);
int _gnutls_x509_ext_gen_key_id(const void *id, size_t id_size,
				gnutls_datum_t * der_data);
int _gnutls_x509_ext_gen_auth_key_id(const void *id, size_t id_size,
				     gnutls_datum_t * der_data);