+/*
+ * Copyright (C) 2007-2012 Mathieu Baudier
+ *
+ * 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.argeo.util.crypto;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.security.AlgorithmParameters;
+
+import javax.crypto.Cipher;
+import javax.crypto.CipherInputStream;
+import javax.crypto.CipherOutputStream;
+import javax.crypto.SecretKey;
+import javax.crypto.SecretKeyFactory;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.PBEKeySpec;
+import javax.crypto.spec.PBEParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+
+import junit.framework.TestCase;
+
+import org.argeo.StreamUtils;
+import org.argeo.util.crypto.PasswordBasedEncryption;
+
+public class PasswordBasedEncryptionTest{// extends TestCase {
+// public void testEncryptDecrypt() {
+// final String password = "test long password since they are more powerful";
+// PasswordBasedEncryption pbeEnc = new PasswordBasedEncryption(
+// password.toCharArray());
+// String message = "Hello World!";
+// byte[] encrypted = pbeEnc.encryptString(message);
+// // System.out.println("Encrypted: '" + new String(encrypted) + "'");
+// PasswordBasedEncryption pbeDec = new PasswordBasedEncryption(
+// password.toCharArray());
+// InputStream in = null;
+// in = new ByteArrayInputStream(encrypted);
+// String decrypted = pbeDec.decryptAsString(in);
+// // System.out.println("Decrypted: '" + decrypted + "'");
+// StreamUtils.closeQuietly(in);
+// assertEquals(message, decrypted);
+// }
+//
+// public void testPBEWithMD5AndDES() throws Exception {
+// String password = "test";
+// String message = "Hello World!";
+//
+// byte[] salt = { (byte) 0xc7, (byte) 0x73, (byte) 0x21, (byte) 0x8c,
+// (byte) 0x7e, (byte) 0xc8, (byte) 0xee, (byte) 0x99 };
+//
+// int count = 1024;
+//
+// String cipherAlgorithm = "PBEWithMD5AndDES";
+// String secretKeyAlgorithm = "PBEWithMD5AndDES";
+// SecretKeyFactory keyFac = SecretKeyFactory
+// .getInstance(secretKeyAlgorithm);
+// PBEKeySpec pbeKeySpec = new PBEKeySpec(password.toCharArray());
+// PBEParameterSpec pbeParamSpec = new PBEParameterSpec(salt, count);
+// SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec);
+// Cipher ecipher = Cipher.getInstance(cipherAlgorithm);
+// ecipher.init(Cipher.ENCRYPT_MODE, pbeKey, pbeParamSpec);
+// Cipher dcipher = Cipher.getInstance(cipherAlgorithm);
+// dcipher.init(Cipher.DECRYPT_MODE, pbeKey, pbeParamSpec);
+//
+// byte[] encrypted = ecipher.doFinal(message.getBytes());
+// byte[] decrypted = dcipher.doFinal(encrypted);
+// assertEquals(message, new String(decrypted));
+//
+// }
+//
+// public void testPBEWithSHA1AndAES() throws Exception {
+// String password = "test";
+// String message = "Hello World!";
+//
+// byte[] salt = { (byte) 0xc7, (byte) 0x73, (byte) 0x21, (byte) 0x8c,
+// (byte) 0x7e, (byte) 0xc8, (byte) 0xee, (byte) 0x99 };
+// byte[] iv = { (byte) 0xc7, (byte) 0x73, (byte) 0x21, (byte) 0x8c,
+// (byte) 0x7e, (byte) 0xc8, (byte) 0xee, (byte) 0x99,
+// (byte) 0xc7, (byte) 0x73, (byte) 0x21, (byte) 0x8c,
+// (byte) 0x7e, (byte) 0xc8, (byte) 0xee, (byte) 0x99 };
+//
+// int count = 1024;
+// // int keyLength = 256;
+// int keyLength = 128;
+//
+// String cipherAlgorithm = "AES/CBC/PKCS5Padding";
+// String secretKeyAlgorithm = "PBKDF2WithHmacSHA1";
+// SecretKeyFactory keyFac = SecretKeyFactory
+// .getInstance(secretKeyAlgorithm);
+// PBEKeySpec pbeKeySpec = new PBEKeySpec(password.toCharArray(), salt,
+// count, keyLength);
+// SecretKey tmp = keyFac.generateSecret(pbeKeySpec);
+// SecretKey secret = new SecretKeySpec(tmp.getEncoded(), "AES");
+// Cipher ecipher = Cipher.getInstance(cipherAlgorithm);
+// ecipher.init(Cipher.ENCRYPT_MODE, secret, new IvParameterSpec(iv));
+//
+// // decrypt
+// keyFac = SecretKeyFactory.getInstance(secretKeyAlgorithm);
+// pbeKeySpec = new PBEKeySpec(password.toCharArray(), salt, count,
+// keyLength);
+// tmp = keyFac.generateSecret(pbeKeySpec);
+// secret = new SecretKeySpec(tmp.getEncoded(), "AES");
+// // AlgorithmParameters params = ecipher.getParameters();
+// // byte[] iv = params.getParameterSpec(IvParameterSpec.class).getIV();
+// Cipher dcipher = Cipher.getInstance(cipherAlgorithm);
+// dcipher.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(iv));
+//
+// byte[] encrypted = ecipher.doFinal(message.getBytes());
+// byte[] decrypted = dcipher.doFinal(encrypted);
+// assertEquals(message, new String(decrypted));
+//
+// ByteArrayOutputStream out = new ByteArrayOutputStream();
+// CipherOutputStream cipherOut = new CipherOutputStream(out, ecipher);
+// cipherOut.write(message.getBytes());
+// StreamUtils.closeQuietly(cipherOut);
+// byte[] enc = out.toByteArray();
+//
+// ByteArrayInputStream in = new ByteArrayInputStream(enc);
+// CipherInputStream cipherIn = new CipherInputStream(in, dcipher);
+// ByteArrayOutputStream dec = new ByteArrayOutputStream();
+// StreamUtils.copy(cipherIn, dec);
+// assertEquals(message, new String(dec.toByteArray()));
+// }
+}