skey_rsa.java

RSA加密算法java代码

package src;
import java.io.*;


import java.security.*;


import javax.crypto.*;


import javax.crypto.spec.*;








public class Skey_RSA{


   public static void main(String args[]) throws Exception{


        KeyPairGenerator kpg=KeyPairGenerator.getInstance("RSA");


        kpg.initialize(1024);


        KeyPair kp=kpg.genKeyPair();


        PublicKey pbkey=kp.getPublic();


        PrivateKey prkey=kp.getPrivate();


        


        FileOutputStream  f1=new FileOutputStream("Skey_RSA_pub.dat");


        ObjectOutputStream b1=new  ObjectOutputStream(f1);


	b1.writeObject(pbkey);





        FileOutputStream  f2=new FileOutputStream("Skey_RSA_priv.dat");


        ObjectOutputStream b2=new  ObjectOutputStream(f2);


	b2.writeObject(prkey);








   }


}