/*
* 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.sshd.common.config.keys.loader;
import java.security.GeneralSecurityException;
import java.security.Key;
import java.util.List;
import java.util.Random;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import org.apache.sshd.common.util.GenericUtils;
import org.apache.sshd.common.util.security.SecurityUtils;
import org.apache.sshd.util.test.BaseTestSupport;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.MethodSorters;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
public class AESPrivateKeyObfuscatorTest extends BaseTestSupport {
private static final Random RANDOMIZER = new Random(System.currentTimeMillis());
private final int keyLength;
public AESPrivateKeyObfuscatorTest(int keyLength) {
this.keyLength = keyLength;
}
@Parameters(name = "keyLength={0}")
public static List<Object[]> parameters() {
List<Integer> lengths = AESPrivateKeyObfuscator.getAvailableKeyLengths();
assertFalse("No lengths available", GenericUtils.isEmpty(lengths));
return parameterize(lengths);
}
@Test
public void testAvailableKeyLengthExists() throws GeneralSecurityException {
assertEquals("Not a BYTE size multiple", 0, keyLength % Byte.SIZE);
byte[] iv = new byte[keyLength / Byte.SIZE];
synchronized (RANDOMIZER) {
RANDOMIZER.nextBytes(iv);
}
Key key = new SecretKeySpec(iv, AESPrivateKeyObfuscator.CIPHER_NAME);
Cipher c = SecurityUtils.getCipher(AESPrivateKeyObfuscator.CIPHER_NAME);
c.init(Cipher.DECRYPT_MODE, key);
}
}