1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.directory.server.kerberos.shared.io.encoder; 21 22 23 import org.apache.directory.server.kerberos.shared.messages.value.Checksum; 24 import org.apache.directory.shared.asn1.der.DERInteger; 25 import org.apache.directory.shared.asn1.der.DEROctetString; 26 import org.apache.directory.shared.asn1.der.DERSequence; 27 import org.apache.directory.shared.asn1.der.DERTaggedObject; 28 29 30 /** 31 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 32 * @version $Rev: 540371 $, $Date: 2007-05-22 02:00:43 +0200 (Di, 22 Mai 2007) $ 33 */ 34 public class ChecksumEncoder 35 { 36 /** 37 * Encodes a {@link Checksum} into a {@link DERSequence}. 38 * 39 * Checksum ::= SEQUENCE { 40 * cksumtype[0] INTEGER, 41 * checksum[1] OCTET STRING 42 * } 43 * 44 * @param checksum 45 * @return The {@link DERSequence}. 46 */ 47 public static DERSequence encode( Checksum checksum ) 48 { 49 DERSequence vector = new DERSequence(); 50 51 vector.add( new DERTaggedObject( 0, DERInteger.valueOf( checksum.getChecksumType().getOrdinal() ) ) ); 52 vector.add( new DERTaggedObject( 1, new DEROctetString( checksum.getChecksumValue() ) ) ); 53 54 return vector; 55 } 56 }