1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16package org.apache.harmony.crypto.tests.javax.crypto.func; 17 18 19import java.security.KeyPair; 20import java.security.KeyPairGenerator; 21 22import javax.crypto.Cipher; 23 24public class CipherRSAThread extends CipherThread { 25 26 CipherRSAThread(String name, int[] keys, String[] modes, String[] paddings) { 27 super(name, keys, modes, paddings); 28 } 29 30 @Override 31 public void crypt() throws Exception { 32 byte[] output = new byte[256]; 33 byte[] decrypted = new byte[256]; 34 int dataBlock = 20; 35 byte[] input = getData().substring(0, dataBlock).getBytes(); 36 KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA"); 37 kpg.initialize(getKeyLength()); 38 KeyPair kp = kpg.generateKeyPair(); 39 40 Cipher cip = Cipher.getInstance(getAlgName() + "/" + getMode() + "/" + 41 getPadding()); 42 cip.init(Cipher.ENCRYPT_MODE, kp.getPublic()); 43 cip.doFinal(input, 0, input.length, output); 44 int outputSize = cip.getOutputSize(input.length); 45 cip.init(Cipher.DECRYPT_MODE, kp.getPrivate()); 46 cip.doFinal(output, 0, outputSize, decrypted); 47 48 if ("NOPADDING".equals(getPadding())) { 49 checkPaddedEncodedData(input, decrypted, outputSize - input.length); 50 } else { 51 checkEncodedData(input, decrypted); 52 } 53 } 54} 55