com.password.locker.cypto.test.SecureCryptoTest.java Source code

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Here is the source code for com.password.locker.cypto.test.SecureCryptoTest.java

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/******************************************************************************
 * Copyright (c) 2014 Fred Laderoute.
 * All rights reserved. This program and the accompanying
 * materials are made available under the terms of the GNU 
 * Public License v3.0 which accompanies this distribution, 
 * and is available at http://www.gnu.org/licenses/gpl.html
 *
 * Contributors:
 *      Fred Laderoute - initial API and implementation
 ******************************************************************************/
package com.password.locker.cypto.test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Security;

import javax.crypto.NoSuchPaddingException;

import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.util.Arrays;
import org.junit.Before;
import org.junit.Test;

import com.password.locker.crypto.SecureCryptoImpl;

/**
 * @author fred
 *
 */
public class SecureCryptoTest {

    /**
     * Crypto implementation.
     */
    private SecureCryptoImpl secImpl;

    /**
     * @throws java.lang.Exception
     *       if an error occurs.
     */
    @Before
    public final void setUp() throws Exception {
        Security.addProvider(new BouncyCastleProvider());
        String password = "password";
        secImpl = new SecureCryptoImpl(password.toCharArray());
    }

    /**
     * Main test.
     * @throws NoSuchPaddingException 
     * @throws NoSuchProviderException 
     * @throws NoSuchAlgorithmException 
     * @throws InvalidAlgorithmParameterException 
     * @throws InvalidKeyException 
     */
    @Test
    public final void testEncryptStrings() throws InvalidKeyException, InvalidAlgorithmParameterException,
            NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException {
        String data = "Plain text data.";
        String enc = secImpl.encrypt(data);
        String plain = secImpl.decrypt(enc);
        assertEquals(data, plain);
        assertFalse(enc.equals(plain));
    }

    /**
     * Main test.
     * @throws NoSuchPaddingException 
     * @throws NoSuchProviderException 
     * @throws NoSuchAlgorithmException 
     * @throws InvalidAlgorithmParameterException 
     * @throws InvalidKeyException 
     */
    @Test
    public final void testEncryptBytes() throws InvalidKeyException, InvalidAlgorithmParameterException,
            NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException {
        byte[] data = { (byte) 0x1, (byte) 0x1, (byte) 0x1, (byte) 0x1, (byte) 0x1 };
        byte[] enc = secImpl.encrypt(data);
        byte[] plain = secImpl.decrypt(enc);
        assertTrue(Arrays.areEqual(plain, data));
        assertFalse(Arrays.areEqual(plain, enc));
    }

}