RandomString.java revision 8af80418ba1ec431c8027fa9668e5678658d3611
/**
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2005 Sun Microsystems Inc. All Rights Reserved
*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* https://opensso.dev.java.net/public/CDDLv1.0.html or
* opensso/legal/CDDLv1.0.txt
* See the License for the specific language governing
* permission and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at opensso/legal/CDDLv1.0.txt.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* $Id: RandomString.java,v 1.3 2008/06/25 05:41:42 qcheng Exp $
*
*/
package com.iplanet.services.util.internal;
import com.sun.identity.shared.encode.Base64;
import java.security.SecureRandom;
/**
* This class is used to get the random string value. It is used during
* installation.
*/
public class RandomString {
/**
* This method prints the encrypted random string. If the random string
* generation fails then it prints the exception stack trace.
*
* @param args
* arguments for this method.
*
*/
public static void main(String args[]) {
String randomStr = null;
try {
byte[] bytes = new byte[24];
SecureRandom random = SecureRandom.getInstance("SHA1PRNG", "SUN");
random.nextBytes(bytes);
randomStr = Base64.encode(bytes).trim();
} catch (Exception e) {
randomStr = null;
e.printStackTrace();
}
if (randomStr != null) {
System.out.println(randomStr);
}
}
}