| /* |
| * 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. |
| */ |
| |
| /** |
| * @author Stepan M. Mishura |
| */ |
| |
| package org.apache.harmony.security.tests.asn1.der; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.util.Arrays; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.harmony.security.asn1.ASN1BitString; |
| import org.apache.harmony.security.asn1.ASN1Exception; |
| import org.apache.harmony.security.asn1.BitString; |
| import org.apache.harmony.security.asn1.DerInputStream; |
| import org.apache.harmony.security.asn1.DerOutputStream; |
| import org.apache.harmony.security.asn1.ASN1BitString.ASN1NamedBitList; |
| |
| /** |
| * ASN.1 DER test for Bitstring type |
| * |
| * @see http://asn1.elibel.tm.fr/en/standards/index.htm |
| */ |
| |
| public class BitStringTest extends TestCase { |
| |
| private static Object[][] validBitstring = new Object[][] { |
| //bitstring array format: bitstring object/ byte array |
| // |
| { new BitString(new byte[] { }, 0), // object |
| new byte[] { 0x03, 0x01, 0x00 } }, |
| // |
| { new BitString(new byte[] { 0x05 }, 0), // object |
| new byte[] { 0x03, 0x02, 0x00, 0x05 } }, |
| // |
| { new BitString(new byte[] { (byte) 0x80 }, 7), // object |
| new byte[] { 0x03, 0x02, 0x07, (byte) 0x80 } } }; |
| |
| public void testDecode_Encode() throws IOException { |
| |
| // decoder/encoder for testing |
| ASN1BitString asn1 = ASN1BitString.getInstance(); |
| |
| // decode from byte array |
| for (int i = 0; i < validBitstring.length; i++) { |
| DerInputStream in = new DerInputStream( |
| (byte[]) validBitstring[i][1]); |
| |
| BitString expected = (BitString) validBitstring[i][0]; |
| BitString decoded = (BitString) asn1.decode(in); |
| |
| assertEquals("Testcase: " + i, expected.unusedBits, |
| decoded.unusedBits); |
| |
| assertTrue("Testcase: " + i, Arrays.equals(expected.bytes, |
| decoded.bytes)); |
| } |
| |
| // decode from input stream |
| for (int i = 0; i < validBitstring.length; i++) { |
| DerInputStream in = new DerInputStream(new ByteArrayInputStream( |
| (byte[]) validBitstring[i][1])); |
| |
| BitString expected = (BitString) validBitstring[i][0]; |
| BitString decoded = (BitString) asn1.decode(in); |
| |
| assertEquals("Testcase: " + i, expected.unusedBits, |
| decoded.unusedBits); |
| |
| assertTrue("Testcase: " + i, Arrays.equals(expected.bytes, |
| decoded.bytes)); |
| } |
| |
| // encoding |
| for (int i = 0; i < validBitstring.length; i++) { |
| DerOutputStream out = new DerOutputStream(asn1, |
| validBitstring[i][0]); |
| assertTrue("Testcase: " + i, Arrays.equals( |
| (byte[]) validBitstring[i][1], out.encoded)); |
| } |
| } |
| |
| public void testDecode_Invalid() throws IOException { |
| byte[][] invalid = new byte[][] { |
| // wrong tag: tag is not 0x03 |
| new byte[] { 0x02, 0x01, 0x00 }, |
| // wrong length: length is 0 |
| new byte[] { 0x03, 0x00 }, |
| // wrong content: unused bits value > 7 |
| new byte[] { 0x03, 0x03, 0x09, 0x0F, 0x0F }, |
| // wrong content: not 0 unused bits for empty string |
| new byte[] { 0x03, 0x01, 0x01 }, |
| // wrong content: unused bits in final octet are not 0 |
| new byte[] { 0x03, 0x02, 0x01, 0x01 }, |
| // wrong content: constructed encoding |
| new byte[] { 0x23, 0x03, 0x03, 0x01, 0x00 } }; |
| |
| for (int i = 0; i < invalid.length; i++) { |
| try { |
| DerInputStream in = new DerInputStream(invalid[i]); |
| ASN1BitString.getInstance().decode(in); |
| fail("No expected ASN1Exception for: " + i); |
| } catch (ASN1Exception e) { |
| } |
| } |
| } |
| |
| // |
| // |
| // Named Bit List |
| // |
| // |
| |
| public void testDecodeNamedBitList() throws IOException { |
| |
| Object[][] testcaseBoolean = new Object[][] { |
| // bitstring array format: bitstring object/ byte array |
| // |
| { new boolean[] { }, // object |
| new byte[] { 0x03, 0x01, 0x00 } }, |
| // |
| { new boolean[] { true }, // object |
| new byte[] { 0x03, 0x02, 0x07, (byte) 0x80 } }, |
| // |
| { new boolean[] { true, false, true }, // object |
| new byte[] { 0x03, 0x02, 0x05, (byte) 0xA0 } }, |
| // |
| { |
| new boolean[] { true, true, true, true, true, true, |
| true, true }, // object |
| new byte[] { 0x03, 0x02, 0x00, (byte) 0xFF } }, |
| // |
| { |
| new boolean[] { false, false, false, false, false, |
| false, false, false, true }, // object |
| new byte[] { 0x03, 0x03, 0x07, 0x00, (byte) 0x80 } } }; |
| |
| ASN1NamedBitList decoder = new ASN1NamedBitList(); |
| |
| for (int i = 0; i < testcaseBoolean.length; i++) { |
| DerInputStream in = new DerInputStream( |
| (byte[]) testcaseBoolean[i][1]); |
| |
| assertTrue("Testcase: " + i, Arrays.equals( |
| (boolean[]) testcaseBoolean[i][0], (boolean[]) decoder |
| .decode(in))); |
| } |
| } |
| |
| public void testDecodeNamedBitList_SizeConstraints() throws IOException { |
| |
| Object[][] testcaseBoolean = new Object[][] { |
| //bitstring array format: bitstring object/ byte array |
| // |
| { |
| new boolean[] { false, false, false, false, false, |
| false, false, false }, // object |
| new byte[] { 0x03, 0x01, 0x00 } }, |
| // |
| { |
| new boolean[] { true, false, false, false, false, |
| false, false, false }, // object |
| new byte[] { 0x03, 0x02, 0x07, (byte) 0x80 } }, |
| // |
| { |
| new boolean[] { true, false, true, false, false, false, |
| false, false }, // object |
| new byte[] { 0x03, 0x02, 0x05, (byte) 0xA0 } }, |
| // |
| { |
| new boolean[] { true, true, true, true, true, true, |
| true, true }, // object |
| new byte[] { 0x03, 0x02, 0x00, (byte) 0xFF } }, |
| // |
| { |
| new boolean[] { false, false, false, false, false, |
| false, false, false, true }, // object |
| new byte[] { 0x03, 0x03, 0x07, 0x00, (byte) 0x80 } } }; |
| |
| ASN1NamedBitList decoder = new ASN1NamedBitList(8); |
| |
| for (int i = 0; i < testcaseBoolean.length; i++) { |
| DerInputStream in = new DerInputStream( |
| (byte[]) testcaseBoolean[i][1]); |
| |
| assertTrue("Testcase: " + i, Arrays.equals( |
| (boolean[]) testcaseBoolean[i][0], (boolean[]) decoder |
| .decode(in))); |
| } |
| } |
| |
| public void testEncodeNamedBitList() throws IOException { |
| |
| Object[][] testcaseBoolean = new Object[][] { |
| //bitstring array format: bitstring object/ byte array |
| // |
| { new boolean[] { }, // object |
| new byte[] { 0x03, 0x01, 0x00 } }, |
| // |
| { new boolean[] { false }, // object |
| new byte[] { 0x03, 0x01, 0x00 } }, |
| // |
| { new boolean[] { true }, // object |
| new byte[] { 0x03, 0x02, 0x07, (byte) 0x80 } }, |
| // |
| { new boolean[] { true, false, true }, // object |
| new byte[] { 0x03, 0x02, 0x05, (byte) 0xA0 } }, |
| // |
| { |
| new boolean[] { true, true, true, true, true, true, |
| true, true }, // object |
| new byte[] { 0x03, 0x02, 0x00, (byte) 0xFF } }, |
| // |
| { |
| new boolean[] { false, false, false, false, false, |
| false, false, false, true }, // object |
| new byte[] { 0x03, 0x03, 0x07, 0x00, (byte) 0x80 } } }; |
| |
| ASN1NamedBitList encoder = new ASN1NamedBitList(); |
| |
| for (int i = 0; i < testcaseBoolean.length; i++) { |
| DerOutputStream out = new DerOutputStream(encoder, |
| testcaseBoolean[i][0]); |
| assertTrue("Testcase: " + i, Arrays.equals( |
| (byte[]) testcaseBoolean[i][1], out.encoded)); |
| } |
| } |
| } |
