1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * you may not use this file except in compliance with the License. 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * You may obtain a copy of the License at 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage org.apache.harmony.crypto.tests.javax.crypto.func; 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.security.Key; 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.security.NoSuchAlgorithmException; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.security.SecureRandom; 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.crypto.Cipher; 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.crypto.KeyGenerator; 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.crypto.spec.IvParameterSpec; 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic class CipherSymmetricKeyThread extends CipherThread { 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project CipherSymmetricKeyThread(String name, int[] keys, String[] modes, String[] paddings) { 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project super(name, keys, modes, paddings); 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void crypt() throws Exception { 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project byte[] output = new byte[128]; 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project byte[] decrypted = new byte[128]; 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project byte[] input = getData().getBytes(); 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project SecureRandom sr = new SecureRandom(); 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project byte[] iv = null;//new byte[16]; 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int outputSize = 0; 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project KeyGenerator kg = KeyGenerator.getInstance(getAlgName()); 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project kg.init(getKeyLength(), new SecureRandom()); 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Key key = kg.generateKey(); 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Cipher cip = Cipher.getInstance(getAlgName() + "/" + getMode() + "/" + 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project getPadding()); 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (getAlgName() != "AES") { 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project iv = new byte[8]; 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } else { 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project iv = new byte[16]; 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project sr.nextBytes(iv); 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project IvParameterSpec ivspec = new IvParameterSpec(iv); 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (getMode() != "ECB") { 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cip.init(Cipher.ENCRYPT_MODE, key, ivspec); 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cip.doFinal(input, 0, input.length, output); 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project outputSize = cip.getOutputSize(input.length); 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project iv = cip.getIV(); 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project ivspec = new IvParameterSpec(iv); 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cip.init(Cipher.DECRYPT_MODE, key, ivspec); 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cip.doFinal(output, 0, outputSize, decrypted); 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } else { 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cip.init(Cipher.ENCRYPT_MODE, key); 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cip.doFinal(input, 0, input.length, output); 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project outputSize = cip.getOutputSize(input.length); 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cip.init(Cipher.DECRYPT_MODE, key); 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cip.doFinal(output, 0, outputSize, decrypted); 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project checkEncodedData(getData().getBytes(), decrypted); 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 74