KeyTools.java Source code

Introduction

Here is the source code for KeyTools.java

Source

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.security.Key;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.SecureRandom;

public class KeyTools {
    public static void writeToFile(Key key, File file) throws IOException {
        FileOutputStream fileoutputstream = new FileOutputStream(file);
        ObjectOutputStream objectoutputstream = new ObjectOutputStream(fileoutputstream);
        objectoutputstream.writeObject(key);
        objectoutputstream.close();
    }

    public static void main(String[] rgstring) {
        try {
            File filePublic = new File(rgstring[0]);
            File filePrivate = new File(rgstring[1]);

            KeyPairGenerator keypairgenerator = KeyPairGenerator.getInstance("DSA");

            keypairgenerator.initialize(1024, new SecureRandom());

            KeyPair keypair = keypairgenerator.generateKeyPair();

            writeToFile(keypair.getPublic(), filePublic);
            writeToFile(keypair.getPrivate(), filePrivate);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}