| /* |
| * 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.startup; |
| |
| import java.security.SecureRandom; |
| import java.util.Random; |
| |
| public class FastNonSecureRandom 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; |
| } |
| |
| } |