/*
* 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.catalina.realm;
import java.security.NoSuchAlgorithmException;
import org.junit.Assert;
import org.junit.Test;
import org.apache.tomcat.util.security.ConcurrentMessageDigest;
public class TestMessageDigestCredentialHandler {
private static final String[] DIGESTS = new String[] {"MD5", "SHA-1", "SHA-512"};
private static final String PWD = "password";
static {
try {
ConcurrentMessageDigest.init("SHA-512");
} catch (NoSuchAlgorithmException e) {
throw new IllegalArgumentException(e);
}
}
@Test
public void testGeneral() throws Exception {
for (String digest : DIGESTS) {
for (int saltLength = 0; saltLength < 20; saltLength++) {
for (int iterations = 1; iterations < 100; iterations += 10) {
doTest(digest, saltLength, iterations);
}
}
}
}
private void doTest(String digest, int saltLength, int iterations) throws NoSuchAlgorithmException {
MessageDigestCredentialHandler mdch = new MessageDigestCredentialHandler();
MessageDigestCredentialHandler verifier = new MessageDigestCredentialHandler();
mdch.setAlgorithm(digest);
mdch.setIterations(iterations);
mdch.setSaltLength(saltLength);
verifier.setAlgorithm(digest);
String storedCredential = mdch.mutate(PWD);
Assert.assertTrue(verifier.matches(PWD, storedCredential));
}
}