| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed 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 libcore.javax.crypto.spec; |
| |
| import java.security.AlgorithmParameters; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.Provider; |
| import java.security.Security; |
| import java.util.Arrays; |
| import java.util.Base64; |
| import javax.crypto.spec.IvParameterSpec; |
| import tests.security.AlgorithmParameterSymmetricHelper; |
| import tests.security.AlgorithmParametersTest; |
| |
| public class AlgorithmParametersTestDESede extends AlgorithmParametersTest { |
| |
| private static final byte[] parameterData = new byte[] { |
| (byte) 0x04, (byte) 0x08, (byte) 0x68, (byte) 0xC8, |
| (byte) 0xFF, (byte) 0x64, (byte) 0x72, (byte) 0xF5 }; |
| |
| // See README.ASN1 for how to understand and reproduce this data |
| |
| // asn1=FORMAT:HEX,OCTETSTRING:040868C8FF6472F5 |
| private static final String ENCODED_DATA = "BAgECGjI/2Ry9Q=="; |
| |
| public AlgorithmParametersTestDESede() { |
| super("DESede", new AlgorithmParameterSymmetricHelper("DESede", "CBC/PKCS5PADDING", 112), new IvParameterSpec(parameterData)); |
| } |
| |
| public void testEncoding() throws Exception { |
| for (Provider p : Security.getProviders()) { |
| AlgorithmParameters params; |
| try { |
| params = AlgorithmParameters.getInstance("DESede", p); |
| } catch (NoSuchAlgorithmException e) { |
| // This provider doesn't support DESede, ignore |
| continue; |
| } |
| |
| params.init(new IvParameterSpec(parameterData)); |
| assertEquals("Provider: " + p.getName(), |
| ENCODED_DATA, Base64.getEncoder().encodeToString(params.getEncoded())); |
| |
| params = AlgorithmParameters.getInstance("DESede", p); |
| params.init(Base64.getDecoder().decode(ENCODED_DATA)); |
| assertTrue("Provider: " + p.getName(), |
| Arrays.equals(parameterData, |
| params.getParameterSpec(IvParameterSpec.class).getIV())); |
| } |
| } |
| |
| } |