/*
 * KeyGenerationClass.java
 *
 * Created on 28 December 2005, 13:32
 *
 */

/**
 *
 * @author Nick
 */

import com.sun.org.apache.regexp.internal.StreamCharacterIterator;
import javax.crypto.*;
import java.security.*;

import java.security.spec.X509EncodedKeySpec;


public class KeyGenerationClass {
    public static KeyPair generateKeyPair(long userseed){
        try {
            
            KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
            SecureRandom random = SecureRandom.getInstance("SHA1PRNG", "SUN");
            random.setSeed(userseed);
            keyGen.initialize(1024, random);
            KeyPair keypair = keyGen.genKeyPair();
            return keypair;

        }         
        catch (Exception e) {System.out.println("OO" +e);}    
        return null;
    }
    
    public static SecretKey generateSharedKey(){
        try {
            SecretKey key = KeyGenerator.getInstance("DES").generateKey();
            return key;
        }         
        catch (java.security.NoSuchAlgorithmException e) {System.out.println(e);}
        return null;
    }
}