code: /***************************************************************************
   *   Copyright (C) 2009-2011 by Fabrizio Montesi <famontesi@gmail.com>     *
   *                                                                         *
   *   This program is free software; you can redistribute it and/or modify  *
   *   it under the terms of the GNU Library General Public License as       *
   *   published by the Free Software Foundation; either version 2 of the    *
   *   License, or (at your option) any later version.                       *
   *                                                                         *
   *   This program is distributed in the hope that it will be useful,       *
   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
   *   GNU General Public License for more details.                          *
   *                                                                         *
   *   You should have received a copy of the GNU Library General Public     *
   *   License along with this program; if not, write to the                 *
   *   Free Software Foundation, Inc.,                                       *
   *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
   *                                                                         *
   *   For details about the authors of this software, see the AUTHORS file. *
   ***************************************************************************/
  
  package joliex.security;
  
  import java.security.SecureRandom;
  import java.util.UUID;
  import jolie.runtime.ByteArray;
  import jolie.runtime.FaultException;
  import jolie.runtime.JavaService;
  import jolie.runtime.Value;
  
  public class SecurityUtils extends JavaService
  {
  	private final SecureRandom random = new SecureRandom();
  
  	public ByteArray secureRandom( Value request )
  		throws FaultException
  	{
  		byte[] bb = new byte[ request.getFirstChild( "size" ).intValue() ];
  		random.nextBytes( bb );
  		return new ByteArray( bb );
  	}
  
  	public String createSecureToken()
  	{
  		return UUID.randomUUID().toString();
  	}
  }
  