/*
* Copyright (C) 2015 Square, Inc.
*
* 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 keywhiz.service.crypto;
import com.sun.crypto.provider.SunJCE;
import java.security.Provider;
import java.security.Security;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import keywhiz.FakeRandom;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import static com.google.common.io.BaseEncoding.base16;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.Base64.getEncoder;
import static org.assertj.core.api.Assertions.assertThat;
public class ContentCryptographerTest {
private static final SecretKey BASE_KEY = new SecretKeySpec(
base16().lowerCase().decode("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), "AES");
private static final Provider BC = new BouncyCastleProvider();
ContentCryptographer cryptographer;
@BeforeClass public static void setUpOnce() throws Exception {
if (Security.getProvider(BC.getName()) == null) {
Security.addProvider(BC);
}
}
@Before public void setUp() throws Exception {
cryptographer = new ContentCryptographer(BASE_KEY, new SunJCE(), BC, FakeRandom.create());
}
@Test public void encryptDecrypt() throws Exception {
String input = "Hello World";
String inputBase64 = getEncoder().encodeToString(input.getBytes(UTF_8));
String crypted = cryptographer
.encryptionKeyDerivedFrom("secret_filename.gpg")
.encrypt(inputBase64);
assertThat(crypted).isNotEmpty().isNotEqualTo(inputBase64);
String outputBase64 = cryptographer.decrypt(crypted);
assertThat(outputBase64).isEqualTo(inputBase64);
}
}