gensecretkey.java.svn-base

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package com.richeninfo.crypt;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: </p>
 * @author xiaolie
 * @version 1.0
 */
import java.security.*;
import javax.crypto.*;

public class GenSecretKey {

    public static void main(String[] args) {
        GenSecretKey my = new GenSecretKey();
        my.run();
    }

    public void run() {
        //Security.addProvider(new com.sun.crypto.provider.SunJCE());
        String Algorithm = "Blowfish"; //DES,DESede,Blowfish

        String myinfo = "要加密的信息";
        try {
            KeyGenerator keygen = KeyGenerator.getInstance(Algorithm);
            SecretKey deskey = keygen.generateKey();
            java.io.ObjectOutputStream out = new java.io.ObjectOutputStream(new java.io.FileOutputStream("read.dat"));
            //java.io.ObjectOutputStream out=new java.io.ObjectOutputStream(new java.io.FileOutputStream("SecretKey.dat"));
            //java.io.ObjectOutputStream out=new java.io.ObjectOutputStream(new java.io.FileOutputStream("key.dat"));
            out.writeObject(deskey);
            out.close();
            System.out.println("write object SecretKey ok");
        } catch (java.security.NoSuchAlgorithmException e1) {
            e1.printStackTrace(System.out);
        } catch (java.lang.Exception e3) {
            e3.printStackTrace(System.out);
        }
    }
}