org.wildfly.security.password.impl.PasswordUtil Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed 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.wildfly.security.password.impl;
import java.util.concurrent.ThreadLocalRandom;
/**
* Helper utility methods for operations on passwords.
*
* @author Juraci Paixão Kröhling
* @author David M. Lloyd
*/
final class PasswordUtil {
/**
* Generate a random salt as byte array.
*
* @param saltSize the size of the salt
* @return a byte array representing the random salt
*/
public static byte[] generateRandomSalt(int saltSize) {
byte[] randomSalt = new byte[saltSize];
ThreadLocalRandom.current().nextBytes(randomSalt);
return randomSalt;
}
}