/**
 *
 * Copyright 2018 Paul Schaub.
 *
 * 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.jivesoftware.smackx.ox.bouncycastle;

import static junit.framework.TestCase.assertTrue;

import java.io.IOException;
import java.util.Arrays;
import java.util.Random;

import org.bouncycastle.openpgp.PGPDataValidationException;
import org.bouncycastle.openpgp.PGPException;
import org.junit.Test;
import org.pgpainless.pgpainless.PGPainless;
import org.pgpainless.pgpainless.algorithm.SymmetricKeyAlgorithm;

public class SymmetricEncryptionTest extends OxTestSuite {

    @Test
    public void successfulEncryptionDecryption() throws IOException, PGPException {
        byte[] data = new byte[5000];
        new Random().nextBytes(data);

        byte[] encrypted = PGPainless.encryptWithPassword(data, "Password".toCharArray(), SymmetricKeyAlgorithm.AES_256);
        byte[] decrypted = PGPainless.decryptWithPassword(encrypted, "Password".toCharArray());

        assertTrue(Arrays.equals(data, decrypted));
    }

    @Test(expected = PGPDataValidationException.class)
    public void failingEncryptionDecryption() throws IOException, PGPException {
        byte[] data = new byte[5000];
        new Random().nextBytes(data);

        byte[] encrypted = PGPainless.encryptWithPassword(data, "Password".toCharArray(), SymmetricKeyAlgorithm.AES_256);
        byte[] decrypted = PGPainless.decryptWithPassword(encrypted, "Swordfish".toCharArray());
    }
}