--- /dev/null
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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.cms.security;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+
+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 javax.xml.bind.DatatypeConverter;
+
+import junit.framework.TestCase;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.cms.security.PasswordBasedEncryption;
+
+public class PasswordBasedEncryptionTest extends TestCase {
+ private final static Log log = LogFactory
+ .getLog(PasswordBasedEncryptionTest.class);
+
+ public void testEncryptDecrypt() {
+ final String password = "test long password since they are safer";
+ PasswordBasedEncryption pbeEnc = new PasswordBasedEncryption(
+ password.toCharArray());
+ String message = "Hello World!";
+ log.info("Password:\t'" + password + "'");
+ log.info("Message:\t'" + message + "'");
+ byte[] encrypted = pbeEnc.encryptString(message);
+ log.info("Encrypted:\t'"
+ + DatatypeConverter.printBase64Binary(encrypted) + "'");
+ PasswordBasedEncryption pbeDec = new PasswordBasedEncryption(
+ password.toCharArray());
+ InputStream in = null;
+ in = new ByteArrayInputStream(encrypted);
+ String decrypted = pbeDec.decryptAsString(in);
+ log.info("Decrypted:\t'" + decrypted + "'");
+ IOUtils.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());
+ IOUtils.closeQuietly(cipherOut);
+ byte[] enc = out.toByteArray();
+
+ ByteArrayInputStream in = new ByteArrayInputStream(enc);
+ CipherInputStream cipherIn = new CipherInputStream(in, dcipher);
+ ByteArrayOutputStream dec = new ByteArrayOutputStream();
+ IOUtils.copy(cipherIn, dec);
+ assertEquals(message, new String(dec.toByteArray()));
+ }
+}
projects / lgpl / argeo-commons.git / blobdiff