/*
*
* 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.security.spec.*;
import java.io.*;
public class Export {
public static void main(String args[]) {
try {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA");
kpg.initialize(512, new SecureRandom());
KeyPair kp = kpg.generateKeyPair();
Class spec = Class.forName("java.security.spec.DSAPrivateKeySpec");
KeyFactory kf = KeyFactory.getInstance("DSA");
DSAPrivateKeySpec ks = (DSAPrivateKeySpec) kf.getKeySpec(kp.getPrivate(), spec);
FileOutputStream fos = new FileOutputStream("exportedKey");
ObjectOutputStream oos = new ObjectOutputStream(fos);
System.out.println("provider " + kf.getProvider());
oos.writeObject(ks.getX());
oos.writeObject(ks.getP());
oos.writeObject(ks.getQ());
oos.writeObject(ks.getG());
} catch (Exception e) {
e.printStackTrace();
}
}
}
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