java.security.cert.X509Extension Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package java.security.cert;
import java.util.Set;
/**
* The interface specifying an X.509 Certificate or CRL extension.
*/
public interface X509Extension {
/**
* Returns the set of OIDs of the extension(s) marked as CRITICAL, that this
* implementation manages.
*
* @return the set of extension OIDs marked as CRITIAL, an empty set if none
* are marked as CRITICAL, or {@code null} if no extensions are
* present.
*/
public Set getCriticalExtensionOIDs();
/**
* Returns the extension value as DER-encoded OCTET string for the specified
* OID.
*
* @param oid
* the object identifier to get the extension value for.
* @return the extension value as DER-encoded OCTET string, or {@code null}
* if no extension for the specified OID can be found.
*/
public byte[] getExtensionValue(String oid);
/**
* Returns the set of OIDs of the extension(s) marked as NON-CRITICAL, that
* this implementation manages.
*
* @return the set of extension OIDs marked as NON-CRITIAL, an empty set if
* none are marked as NON-.CRITICAL, or {@code null} if no
* extensions are present.
*/
public Set getNonCriticalExtensionOIDs();
/**
* Returns whether this instance has an extension marked as CRITICAL that it
* cannot support.
*
* @return {@code true} if an unsupported CRITICAL extension is present,
* {@code false} otherwise.
*/
public boolean hasUnsupportedCriticalExtension();
}