+++ /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.security.crypto;
-
-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.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.StreamUtils;
-import org.argeo.security.crypto.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 + "'");
- 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()));
- }
-}
projects / lgpl / argeo-commons.git / blobdiff