/*

 * 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.util;

import java.security.SecureRandom;

import java.util.Random;

public class DummySecureRandom extends SecureRandom {

    private static final long serialVersionUID = 1L;

    private final Random random = new Random();

    @Override

    public String getAlgorithm() {

        return "INSECURE";

    }

    @Override

    public synchronized void setSeed(byte[] seed) {

        // Not implemented

    }

    @Override

    public synchronized void setSeed(long seed) {

        // The super class constructor calls this method earlier than our

        // fields are initialized. Ignore the call.

        if (random == null) {

            return;

        }

        random.setSeed(seed);

    }

    @Override

    public synchronized void nextBytes(byte[] bytes) {

        random.nextBytes(bytes);

    }

    @Override

    public byte[] generateSeed(int numBytes) {

        byte[] value = new byte[numBytes];

        nextBytes(value);

        return value;

    }

}