fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major/**
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major *
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * Copyright (c) 2006 Sun Microsystems Inc. All Rights Reserved
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major *
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * The contents of this file are subject to the terms
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * of the Common Development and Distribution License
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * (the License). You may not use this file except in
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * compliance with the License.
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major *
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * You can obtain a copy of the License at
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * https://opensso.dev.java.net/public/CDDLv1.0.html or
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * opensso/legal/CDDLv1.0.txt
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * See the License for the specific language governing
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * permission and limitations under the License.
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major *
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * When distributing Covered Code, include this CDDL
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * Header Notice in each file and include the License file
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * at opensso/legal/CDDLv1.0.txt.
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * If applicable, add the following below the CDDL Header,
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * with the fields enclosed by brackets [] replaced by
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * your own identifying information:
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * "Portions Copyrighted [year] [name of copyright owner]"
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major *
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major * $Id: EncryptionKeyGenerator.java,v 1.3 2008/06/25 05:51:29 qcheng Exp $
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major *
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major */
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Majorpackage com.sun.identity.install.tools.util;
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Majorimport java.security.SecureRandom;
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Majorpublic class EncryptionKeyGenerator {
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major public static String generateRandomString() {
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major String randomStr = null;
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major String str_provider = System.getProperty(STR_PROVIDER_PROPERTY_NAME,
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major STR_PROVIDER_DEFAULT_VALUE);
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major try {
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major byte[] bytes = new byte[24];
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major SecureRandom random = SecureRandom.getInstance(STR_SHA_ALGO,
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major str_provider);
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major random.nextBytes(bytes);
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major randomStr = Base64.encode(bytes).trim();
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major } catch (Exception ex) {
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major Debug.log("EncryptionKeyGenerator.generateRandomNumber() : threw "
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major + "exception : ", ex);
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major }
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major return randomStr;
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major }
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major public static String STR_SHA_ALGO = "SHA1PRNG";
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major public static String STR_PROVIDER_DEFAULT_VALUE = "SUN";
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major private static final String STR_PROVIDER_PROPERTY_NAME =
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major "amRandomGenProvider";
fb379c70e3fd8a537f311b99be4759ae41e02750Peter Major}