SecureHashProcessor.java

/*
 * 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.activemq.artemis.utils;

/**
 * Hash function
 */
public class SecureHashProcessor implements HashProcessor {

   private static final String BEGIN_HASH = "ENC(";
   private static final String END_HASH = ")";

   private DefaultSensitiveStringCodec codec;

   public SecureHashProcessor(DefaultSensitiveStringCodec codec) {
      this.codec = codec;
   }

   @Override
   public String hash(String plainText) throws Exception {
      return BEGIN_HASH + codec.encode(plainText) + END_HASH;
   }

   @Override
   //storedValue must take form of ENC(...)
   public boolean compare(char[] inputValue, String storedValue) {
      String storedHash = storedValue.substring(4, storedValue.length() - 2);
      return codec.verify(inputValue, storedHash);
   }
}