/* * Copyright (c) 2005, John Mettraux, OpenWFE.org * All rights reserved. *  * Redistribution and use in source and binary forms, with or without  * modification, are permitted provided that the following conditions are met: *  * . Redistributions of source code must retain the above copyright notice, this *   list of conditions and the following disclaimer.   *  * . Redistributions in binary form must reproduce the above copyright notice,  *   this list of conditions and the following disclaimer in the documentation  *   and/or other materials provided with the distribution. *  * . Neither the name of the "OpenWFE" nor the names of its contributors may be *   used to endorse or promote products derived from this software without *   specific prior written permission. *  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE  * POSSIBILITY OF SUCH DAMAGE. * * $Id: SignedObject.java,v 1.5 2005/05/17 16:40:14 jmettraux Exp $ *///// SignedObject.java//// jmettraux@openwfe.org//// generated with // jtmpl 1.0.04 31.10.2002 John Mettraux (jmettraux@openwfe.org)//package openwfe.org.crypto;import java.security.Signature;import openwfe.org.misc.ByteUtils;/** * A SignedObject that is XML serializable * * <p><font size=2>CVS Info : * <br>$Author: jmettraux $ * <br>$Date: 2005/05/17 16:40:14 $ * <br>$Id: SignedObject.java,v 1.5 2005/05/17 16:40:14 jmettraux Exp $ </font> * * @author jmettraux@openwfe.org */public class SignedObject    implements java.io.Serializable{    //    // FIELDS    private java.io.Serializable object = null;    private String signature = null;    //    // CONSTRUCTORS    public SignedObject ()    {        super();    }    public SignedObject         (final java.io.Serializable object, final RsaKey privateKey)    throws CryptoException    {        super();        this.object = object;        try        {            Signature sig = Signature.getInstance("MD5withRSA");            sig.initSign                ((java.security.PrivateKey)privateKey.assembleRealKey());            sig.update                (ByteUtils.objectToByteArray(this.object));            this.signature = ByteUtils.toString(sig.sign());        }        catch (Exception e)        {            throw new CryptoException                ("Failed to sign object", e);        }    }    //    // BEAN METHODS    public java.io.Serializable getObject () { return this.object; }    public String getSignature () { return this.signature; }    public void setObject (java.io.Serializable s) { this.object = s; }    public void setSignature (String ba) { this.signature = ba; }    //    // METHODS    public boolean verify (RsaKey publicKey)        throws CryptoException    {        try        {        Signature sig = Signature.getInstance("MD5withRSA");        sig.initVerify((java.security.PublicKey)publicKey.assembleRealKey());        sig.update(ByteUtils.objectToByteArray(this.object));        return sig.verify(ByteUtils.fromString(this.signature));        }        catch (Exception e)        {            throw new CryptoException                ("Failed to verify signed object", e);        }    }    //    // STATIC METHODS    /*    public static void main (String[] args)    {        try        {            java.io.Serializable object =                 "Les sanglots longs des violons de l'automne "+                "bercent mon coeur d'une langueur monotone.";            RsaKey[] pair = RsaKey.generateKeyPair(2048);            SignedObject so = new SignedObject(object, pair[1]);            java.beans.XMLEncoder encoder =                 new java.beans.XMLEncoder(System.out);            encoder.writeObject(so);            encoder.flush();            System.out.println                ("\n\nVerification successful : "+so.verify(pair[0]));        }        catch (Exception e)        {            e.printStackTrace();        }    }    */}