| /* |
| * 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 org.apache.directory.shared.kerberos.codec; |
| |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| |
| import com.mycila.junit.concurrent.Concurrency; |
| import com.mycila.junit.concurrent.ConcurrentJunitRunner; |
| |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.EncoderException; |
| import org.apache.directory.api.asn1.ber.Asn1Container; |
| import org.apache.directory.api.asn1.ber.Asn1Decoder; |
| import org.apache.directory.api.util.Strings; |
| import org.apache.directory.shared.kerberos.codec.encryptedData.EncryptedDataContainer; |
| import org.apache.directory.shared.kerberos.codec.types.EncryptionType; |
| import org.apache.directory.shared.kerberos.components.EncryptedData; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| |
| /** |
| * Test the EncryptedData decoder. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| @RunWith(ConcurrentJunitRunner.class) |
| @Concurrency() |
| public class EncryptedDataDecoderTest |
| { |
| /** |
| * Test the decoding of a EncryptedData |
| */ |
| @Test |
| public void testEncryptedData() |
| { |
| Asn1Decoder kerberosDecoder = new Asn1Decoder(); |
| |
| ByteBuffer stream = ByteBuffer.allocate( 0x16 ); |
| |
| stream.put( new byte[] |
| { |
| 0x30, 0x14, |
| ( byte ) 0xA0, 0x03, // etype |
| 0x02, |
| 0x01, |
| 0x12, // |
| ( byte ) 0xA1, |
| 0x03, // kvno |
| 0x02, |
| 0x01, |
| 0x05, // |
| ( byte ) 0xA2, |
| 0x08, // cipher |
| 0x04, |
| 0x06, |
| 'a', |
| 'b', |
| 'c', |
| 'd', |
| 'e', |
| 'f' |
| } ); |
| |
| String decodedPdu = Strings.dumpBytes( stream.array() ); |
| stream.flip(); |
| |
| // Allocate a EncryptedData Container |
| Asn1Container encryptedDataContainer = new EncryptedDataContainer(); |
| |
| // Decode the EncryptedData PDU |
| try |
| { |
| kerberosDecoder.decode( stream, encryptedDataContainer ); |
| } |
| catch ( DecoderException de ) |
| { |
| fail( de.getMessage() ); |
| } |
| |
| // Check the decoded EncryptedData |
| EncryptedData encryptedData = ( ( EncryptedDataContainer ) encryptedDataContainer ).getEncryptedData(); |
| |
| assertEquals( EncryptionType.AES256_CTS_HMAC_SHA1_96, encryptedData.getEType() ); |
| assertEquals( 5, encryptedData.getKvno() ); |
| assertTrue( Arrays.equals( Strings.getBytesUtf8( "abcdef" ), encryptedData.getCipher() ) ); |
| |
| // Check the encoding |
| ByteBuffer bb = ByteBuffer.allocate( encryptedData.computeLength() ); |
| |
| try |
| { |
| bb = encryptedData.encode( bb ); |
| |
| // Check the length |
| assertEquals( 0x16, bb.limit() ); |
| |
| String encodedPdu = Strings.dumpBytes( bb.array() ); |
| |
| assertEquals( encodedPdu, decodedPdu ); |
| } |
| catch ( EncoderException ee ) |
| { |
| fail(); |
| } |
| } |
| |
| |
| /** |
| * Test the decoding of a EncryptedData with no kvno |
| */ |
| @Test |
| public void testEncryptedDataNoKvno() |
| { |
| Asn1Decoder kerberosDecoder = new Asn1Decoder(); |
| |
| ByteBuffer stream = ByteBuffer.allocate( 0x11 ); |
| |
| stream.put( new byte[] |
| { |
| 0x30, 0x0F, |
| ( byte ) 0xA0, 0x03, // etype |
| 0x02, |
| 0x01, |
| 0x12, // |
| ( byte ) 0xA2, |
| 0x08, // cipher |
| 0x04, |
| 0x06, |
| 'a', |
| 'b', |
| 'c', |
| 'd', |
| 'e', |
| 'f' |
| } ); |
| |
| String decodedPdu = Strings.dumpBytes( stream.array() ); |
| stream.flip(); |
| |
| // Allocate a EncryptedData Container |
| Asn1Container encryptedDataContainer = new EncryptedDataContainer(); |
| |
| // Decode the EncryptedData PDU |
| try |
| { |
| kerberosDecoder.decode( stream, encryptedDataContainer ); |
| } |
| catch ( DecoderException de ) |
| { |
| fail( de.getMessage() ); |
| } |
| |
| // Check the decoded EncryptedData |
| EncryptedData encryptedData = ( ( EncryptedDataContainer ) encryptedDataContainer ).getEncryptedData(); |
| |
| assertEquals( EncryptionType.AES256_CTS_HMAC_SHA1_96, encryptedData.getEType() ); |
| assertFalse( encryptedData.hasKvno() ); |
| assertTrue( Arrays.equals( Strings.getBytesUtf8( "abcdef" ), encryptedData.getCipher() ) ); |
| |
| // Check the encoding |
| ByteBuffer bb = ByteBuffer.allocate( encryptedData.computeLength() ); |
| |
| try |
| { |
| bb = encryptedData.encode( bb ); |
| |
| // Check the length |
| assertEquals( 0x11, bb.limit() ); |
| |
| String encodedPdu = Strings.dumpBytes( bb.array() ); |
| |
| assertEquals( encodedPdu, decodedPdu ); |
| } |
| catch ( EncoderException ee ) |
| { |
| fail(); |
| } |
| } |
| |
| |
| /** |
| * Test the decoding of a EncryptedData with nothing in it |
| */ |
| @Test(expected = DecoderException.class) |
| public void testEncryptedDataEmpty() throws DecoderException |
| { |
| Asn1Decoder kerberosDecoder = new Asn1Decoder(); |
| |
| ByteBuffer stream = ByteBuffer.allocate( 0x02 ); |
| |
| stream.put( new byte[] |
| { 0x30, 0x00 } ); |
| |
| stream.flip(); |
| |
| // Allocate a EncryptedData Container |
| Asn1Container encryptedDataContainer = new EncryptedDataContainer(); |
| |
| // Decode the EncryptedData PDU |
| kerberosDecoder.decode( stream, encryptedDataContainer ); |
| fail(); |
| } |
| |
| |
| /** |
| * Test the decoding of a EncryptedData with no type |
| */ |
| @Test(expected = DecoderException.class) |
| public void testEncryptedDataNoEType() throws DecoderException |
| { |
| Asn1Decoder kerberosDecoder = new Asn1Decoder(); |
| |
| ByteBuffer stream = ByteBuffer.allocate( 0x04 ); |
| |
| stream.put( new byte[] |
| { 0x30, 0x02, |
| ( byte ) 0xA0, 0x00 // etype |
| } ); |
| |
| stream.flip(); |
| |
| // Allocate a EncryptedData Container |
| Asn1Container encryptedDataContainer = new EncryptedDataContainer(); |
| |
| // Decode the EncryptedData PDU |
| kerberosDecoder.decode( stream, encryptedDataContainer ); |
| fail(); |
| } |
| |
| |
| /** |
| * Test the decoding of a EncryptedData with a missing type |
| */ |
| @Test(expected = DecoderException.class) |
| public void testEncryptedDataMissingEType() throws DecoderException |
| { |
| Asn1Decoder kerberosDecoder = new Asn1Decoder(); |
| |
| ByteBuffer stream = ByteBuffer.allocate( 0x11 ); |
| |
| stream.put( new byte[] |
| { |
| 0x30, 0x0F, |
| ( byte ) 0xA1, 0x03, // kvno |
| 0x02, |
| 0x01, |
| 0x05, // |
| ( byte ) 0xA2, |
| 0x08, // cipher |
| 0x04, |
| 0x06, |
| 'a', |
| 'b', |
| 'c', |
| 'd', |
| 'e', |
| 'f' |
| } ); |
| |
| stream.flip(); |
| |
| // Allocate a EncryptedData Container |
| Asn1Container encryptedDataContainer = new EncryptedDataContainer(); |
| |
| // Decode the EncryptedData PDU |
| kerberosDecoder.decode( stream, encryptedDataContainer ); |
| fail(); |
| } |
| |
| |
| /** |
| * Test the decoding of a EncryptedData with an empty type |
| */ |
| @Test(expected = DecoderException.class) |
| public void testEncryptedDataEmptyType() throws DecoderException |
| { |
| Asn1Decoder kerberosDecoder = new Asn1Decoder(); |
| |
| ByteBuffer stream = ByteBuffer.allocate( 0x0B ); |
| |
| stream.put( new byte[] |
| { 0x30, 0x04, |
| ( byte ) 0xA0, 0x02, // etype |
| 0x02, |
| 0x00 // |
| } ); |
| |
| stream.flip(); |
| |
| // Allocate a EncryptedData Container |
| Asn1Container encryptedDataContainer = new EncryptedDataContainer(); |
| |
| // Decode the EncryptedData PDU |
| kerberosDecoder.decode( stream, encryptedDataContainer ); |
| fail(); |
| } |
| |
| |
| /** |
| * Test the decoding of a EncryptedData with an empty kvno |
| */ |
| @Test(expected = DecoderException.class) |
| public void testEncryptedDataEmptyKvno() throws DecoderException |
| { |
| Asn1Decoder kerberosDecoder = new Asn1Decoder(); |
| |
| ByteBuffer stream = ByteBuffer.allocate( 0x09 ); |
| |
| stream.put( new byte[] |
| { 0x30, 0x07, |
| ( byte ) 0xA0, 0x03, // etype |
| 0x02, |
| 0x01, |
| 0x01, // |
| ( byte ) 0xA1, |
| 0x00 // kvno |
| } ); |
| |
| stream.flip(); |
| |
| // Allocate a EncryptedData Container |
| Asn1Container encryptedDataContainer = new EncryptedDataContainer(); |
| |
| // Decode the EncryptedData PDU |
| kerberosDecoder.decode( stream, encryptedDataContainer ); |
| fail(); |
| } |
| |
| |
| /** |
| * Test the decoding of a EncryptedData with no cipher |
| */ |
| @Test(expected = DecoderException.class) |
| public void testEncryptedDataNoCipher() throws DecoderException |
| { |
| Asn1Decoder kerberosDecoder = new Asn1Decoder(); |
| |
| ByteBuffer stream = ByteBuffer.allocate( 0x0C ); |
| |
| stream.put( new byte[] |
| { 0x30, 0x0A, |
| ( byte ) 0xA0, 0x03, // etype |
| 0x02, |
| 0x01, |
| 0x01, // |
| ( byte ) 0xA1, |
| 0x02, // kvno |
| 0x02, |
| 0x01, |
| 0x05 // |
| } ); |
| |
| stream.flip(); |
| |
| // Allocate a EncryptedData Container |
| Asn1Container encryptedDataContainer = new EncryptedDataContainer(); |
| |
| // Decode the EncryptedData PDU |
| kerberosDecoder.decode( stream, encryptedDataContainer ); |
| fail(); |
| } |
| |
| |
| /** |
| * Test the decoding of a EncryptedData empty cipher |
| */ |
| @Test(expected = DecoderException.class) |
| public void testEncryptedDataEmptyCipher() throws DecoderException |
| { |
| Asn1Decoder kerberosDecoder = new Asn1Decoder(); |
| |
| ByteBuffer stream = ByteBuffer.allocate( 0x0E ); |
| |
| stream.put( new byte[] |
| { 0x30, 0x0C, |
| ( byte ) 0xA0, 0x03, // etype |
| 0x02, |
| 0x01, |
| 0x01, // |
| ( byte ) 0xA1, |
| 0x03, // kvno |
| 0x02, |
| 0x01, |
| 0x01, // |
| ( byte ) 0xA2, |
| 0x00 // cipher |
| } ); |
| |
| stream.flip(); |
| |
| // Allocate a EncryptedData Container |
| Asn1Container encryptedDataContainer = new EncryptedDataContainer(); |
| |
| // Decode the EncryptedData PDU |
| kerberosDecoder.decode( stream, encryptedDataContainer ); |
| fail(); |
| } |
| |
| |
| /** |
| * Test the decoding of a EncryptedData with a null cipher |
| */ |
| @Test(expected = DecoderException.class) |
| public void testEncryptedDataNullCipher() throws DecoderException |
| { |
| Asn1Decoder kerberosDecoder = new Asn1Decoder(); |
| |
| ByteBuffer stream = ByteBuffer.allocate( 0x10 ); |
| |
| stream.put( new byte[] |
| { 0x30, 0x0E, |
| ( byte ) 0xA0, 0x03, // etype |
| 0x02, |
| 0x01, |
| 0x01, // |
| ( byte ) 0xA1, |
| 0x03, // kvno |
| 0x02, |
| 0x01, |
| 0x01, // |
| ( byte ) 0xA2, |
| 0x02, // cipher |
| 0x04, |
| 0x00 |
| } ); |
| |
| stream.flip(); |
| |
| // Allocate a EncryptedData Container |
| Asn1Container encryptedDataContainer = new EncryptedDataContainer(); |
| |
| // Decode the EncryptedData PDU |
| kerberosDecoder.decode( stream, encryptedDataContainer ); |
| } |
| } |