/*
 *
 * Copyright (c) 1998 Scott Oaks. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes and
 * without fee is hereby granted.
 *
 * This sample source code is provided for example only,
 * on an unsupported, as-is basis. 
 *
 * AUTHOR MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. AUTHOR SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 *
 * THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE
 * CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE
 * PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT
 * NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT LIFE
 * SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
 * SOFTWARE COULD LEAD DIRECTLY TO DEATH, PERSONAL INJURY, OR SEVERE
 * PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH RISK ACTIVITIES").  AUTHOR
 * SPECIFICALLY DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR
 * HIGH RISK ACTIVITIES.
 */


import java.security.*;
import java.io.*;
import java.util.*;

public class Send {
	public static void main(String args[]) {
		String data;
		data = "This have I thought good to deliver thee, " +
				"that thou mightst not lose the dues of rejoicing " +
				"by being ignorant of what greatness is promised thee.";

		try {
			FileOutputStream fos = new FileOutputStream("test");
			ObjectOutputStream oos = new ObjectOutputStream(fos);
			// In 1.2 beta 4, the following method requires an argument
			KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
			// In 1.2 beta 4, the getKey and load methods have a new signature
			char c[] = new char[args[1].length()];
			args[1].getChars(0, c.length, c, 0);
			ks.load(new FileInputStream(System.getProperty("user.home") +
								File.separator + ".keystore"), c);
			PrivateKey pk = (PrivateKey) ks.getKey(args[0], c);

			Signature s = Signature.getInstance("DSA");
			s.initSign(pk);

			byte buf[] = data.getBytes();
			s.update(buf);
			oos.writeObject(data);
			oos.writeObject(s.sign());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}