| /* |
| * Copyright (C) 2008 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 org.apache.harmony.crypto.tests.javax.crypto.func; |
| |
| |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| |
| import javax.crypto.Cipher; |
| |
| public class CipherRSAThread extends CipherThread { |
| |
| CipherRSAThread(String name, int[] keys, String[] modes, String[] paddings) { |
| super(name, keys, modes, paddings); |
| } |
| |
| @Override |
| public void crypt() throws Exception { |
| byte[] output = new byte[256]; |
| byte[] decrypted = new byte[256]; |
| int dataBlock = 20; |
| byte[] input = getData().substring(0, dataBlock).getBytes(); |
| KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA"); |
| kpg.initialize(getKeyLength()); |
| KeyPair kp = kpg.generateKeyPair(); |
| |
| Cipher cip = Cipher.getInstance(getAlgName() + "/" + getMode() + "/" + |
| getPadding()); |
| cip.init(Cipher.ENCRYPT_MODE, kp.getPublic()); |
| cip.doFinal(input, 0, input.length, output); |
| int outputSize = cip.getOutputSize(input.length); |
| cip.init(Cipher.DECRYPT_MODE, kp.getPrivate()); |
| cip.doFinal(output, 0, outputSize, decrypted); |
| |
| if ("NOPADDING".equals(getPadding())) { |
| checkPaddedEncodedData(input, decrypted, outputSize - input.length); |
| } else { |
| checkEncodedData(input, decrypted); |
| } |
| } |
| } |