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 */ 16 package org.apache.harmony.crypto.tests.javax.crypto.func; 17 18 19 import java.security.SecureRandom; 20 import java.security.spec.AlgorithmParameterSpec; 21 22 import javax.crypto.Cipher; 23 import javax.crypto.SecretKey; 24 import javax.crypto.SecretKeyFactory; 25 import javax.crypto.spec.PBEKeySpec; 26 import javax.crypto.spec.PBEParameterSpec; 27 28 public class CipherPBEThread extends CipherThread { 29 30 CipherPBEThread(String name, int[] keys, String[] modes, String[] paddings) { 31 super(name, keys, modes, paddings); 32 } 33 34 @Override 35 public void crypt() throws Exception { 36 byte[] output = new byte[128]; 37 byte[] decrypted = new byte[128]; 38 byte[] input = getData().getBytes(); 39 byte[] salt = new byte[8]; 40 SecureRandom sr = new SecureRandom(); 41 42 PBEKeySpec keySpec = new PBEKeySpec("top sicret password".toCharArray()); 43 SecretKeyFactory skf = SecretKeyFactory.getInstance(getAlgName()); 44 SecretKey key = skf.generateSecret(keySpec); 45 46 Cipher cip = Cipher.getInstance(getAlgName() + "/" + getMode() + "/" + 47 getPadding()); 48 49 sr.nextBytes(salt); 50 PBEParameterSpec parSpec = new PBEParameterSpec(salt, getKeyLength()); 51 52 cip.init(Cipher.ENCRYPT_MODE, key, parSpec); 53 cip.doFinal(input, 0, input.length, output); 54 int outputSize = cip.getOutputSize(input.length); 55 cip.init(Cipher.DECRYPT_MODE, key, parSpec); 56 cip.doFinal(output, 0, outputSize, decrypted); 57 58 checkEncodedData(getData().getBytes(), decrypted); 59 } 60 } 61
