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20 package org.apache.directory.server.kerberos.shared.io.encoder;
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23 import java.io.ByteArrayOutputStream;
24 import java.io.IOException;
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26 import org.apache.directory.server.kerberos.shared.messages.value.EncryptionKey;
27 import org.apache.directory.shared.asn1.der.ASN1OutputStream;
28 import org.apache.directory.shared.asn1.der.DERInteger;
29 import org.apache.directory.shared.asn1.der.DEROctetString;
30 import org.apache.directory.shared.asn1.der.DERSequence;
31 import org.apache.directory.shared.asn1.der.DERTaggedObject;
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38 public class EncryptionKeyEncoder
39 {
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47 public static byte[] encode( EncryptionKey key ) throws IOException
48 {
49 ByteArrayOutputStream baos = new ByteArrayOutputStream();
50 ASN1OutputStream aos = new ASN1OutputStream( baos );
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52 aos.writeObject( encodeSequence( key ) );
53 aos.close();
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55 return baos.toByteArray();
56 }
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59 protected static DERSequence encodeSequence( EncryptionKey key )
60 {
61 DERSequence vector = new DERSequence();
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63 vector.add( new DERTaggedObject( 0, DERInteger.valueOf( key.getKeyType().getOrdinal() ) ) );
64 vector.add( new DERTaggedObject( 1, new DEROctetString( key.getKeyValue() ) ) );
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66 return vector;
67 }
68 }