001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019package lucee.runtime.functions.conversion; 020 021 022import javax.crypto.KeyGenerator; 023 024import lucee.runtime.PageContext; 025import lucee.runtime.coder.Coder; 026import lucee.runtime.exp.PageException; 027import lucee.runtime.ext.function.Function; 028import lucee.runtime.op.Caster; 029 030/** 031 * Generates a Secret Key 032 */ 033public final class GenerateSecretKey implements Function { 034 035 public static String call(PageContext pc, String algorithm) throws PageException { 036 return call(pc, algorithm,0); 037 } 038 039 public static String call(PageContext pc, String algorithm, double keySize) throws PageException { 040 try { 041 KeyGenerator keyGenerator = KeyGenerator.getInstance(algorithm.toUpperCase()); 042 if(keySize>0) keyGenerator.init(Caster.toIntValue(keySize)); 043 return Coder.encode(Coder.ENCODING_BASE64, keyGenerator.generateKey().getEncoded()); 044 } 045 catch(Exception e) { 046 throw Caster.toPageException(e); 047 } 048 } 049 050}