/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.ambari.server.security.encryption;

import junit.framework.Assert;
import junit.framework.TestCase;
import org.junit.Test;

public class AESEncryptorTest extends TestCase {

  @Test
  public void testEncryptionDecryption() throws Exception {
    AESEncryptor aes = new AESEncryptor("AESPassPhrase");
    String masterKey = "Thisisusermasterkey";
    EncryptionResult res = aes.encrypt(masterKey.getBytes());
    Assert.assertNotNull(res);
    Assert.assertNotNull(res.cipher);
    Assert.assertNotNull(res.iv);
    Assert.assertNotNull(res.salt);
    byte[] descryptedKey = aes.decrypt(res.salt, res.iv, res.cipher);
    Assert.assertEquals(masterKey, new String(descryptedKey, "UTF8"));
    Assert.assertEquals(masterKey.getBytes().length, descryptedKey.length);
    Assert.assertEquals(masterKey.getBytes("UTF8").length,
      new String(descryptedKey, "UTF8").toCharArray().length);
  }

  @Test
  public void testDecryptionWithDiffEncryptors() throws Exception {
    AESEncryptor aes1 = new AESEncryptor("Test");
    AESEncryptor aes2 = new AESEncryptor("Test");

    EncryptionResult res = aes1.encrypt("mastersecret".getBytes("UTF8"));
    byte[] decrypted = aes1.decrypt(res.salt, res.iv, res.cipher);
    Assert.assertEquals("mastersecret", new String(decrypted, "UTF8"));

    decrypted = aes2.decrypt(res.salt, res.iv, res.cipher);
    Assert.assertEquals("mastersecret", new String(decrypted, "UTF8"));
  }
}
