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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 java.util.Set;
24  
25  import org.apache.directory.server.kerberos.shared.crypto.encryption.EncryptionType;
26  import org.apache.directory.shared.asn1.der.DERInteger;
27  import org.apache.directory.shared.asn1.der.DERSequence;
28  
29  
30  /**
31   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
32   * @version $Rev: 590715 $, $Date: 2007-10-31 16:23:32 +0100 (Mi, 31 Okt 2007) $
33   */
34  public class EncryptionTypeEncoder
35  {
36      /**
37       * etype[8]             SEQUENCE OF INTEGER, -- EncryptionEngine,
38       *             -- in preference order
39       */
40      protected static DERSequence encode( Set<EncryptionType> eType )
41      {
42          DERSequence sequence = new DERSequence();
43  
44          for ( EncryptionType encryptionType:eType )
45          {
46              sequence.add( DERInteger.valueOf( encryptionType.getOrdinal() ) );
47          }
48  
49          return sequence;
50      }
51  }