/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape security libraries.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 1994-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

/*
 * x.509 v3 certificate extension helper routines
 *
 */


#ifndef _CERTXUTL_H_
#define _CERTXUTL_H_

#include "nspr.h"

#ifdef OLD
typedef enum {
    CertificateExtensions,
    CrlExtensions,
    OCSPRequestExtensions,
    OCSPSingleRequestExtensions,
    OCSPResponseSingleExtensions
} ExtensionsType;
#endif

extern PRBool
cert_HasCriticalExtension (CERTCertExtension **extensions);

extern SECStatus
CERT_FindBitStringExtension (CERTCertExtension **extensions,
			     int tag, SECItem *retItem);
extern void *
cert_StartExtensions (void *owner, PLArenaPool *arena,
                      void (*setExts)(void *object, CERTCertExtension **exts));

extern SECStatus
cert_FindExtension (CERTCertExtension **extensions, int tag, SECItem *value);

extern SECStatus
cert_FindExtensionByOID (CERTCertExtension **extensions,
			 SECItem *oid, SECItem *value);

extern SECStatus
cert_GetExtenCriticality (CERTCertExtension **extensions,
			  int tag, PRBool *isCritical);

extern PRBool
cert_HasUnknownCriticalExten (CERTCertExtension **extensions);

#endif