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test/org/apache/catalina/realm/TestMessageDigestCredentialHandler.java

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+/*
+ * 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));
+    }
+}