cn.lynx.emi.license.GenerateKeyPairs.java Source code

Introduction

Here is the source code for cn.lynx.emi.license.GenerateKeyPairs.java

Source

package cn.lynx.emi.license;

import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SecureRandom;

import org.apache.commons.codec.binary.Base64;

public class GenerateKeyPairs {

    public static void main(String[] args) throws NoSuchAlgorithmException {
        KeyPairGenerator keygen = KeyPairGenerator.getInstance("RSA");
        SecureRandom secrand = new SecureRandom();
        secrand.setSeed("cn.lynx.emi".getBytes());
        keygen.initialize(4096, secrand);
        KeyPair keys = keygen.genKeyPair();

        PublicKey pubkey = keys.getPublic();
        PrivateKey prikey = keys.getPrivate();

        String myPubKey = Base64.encodeBase64String(pubkey.getEncoded());
        String myPriKey = Base64.encodeBase64String(prikey.getEncoded());
        System.out.println(prikey);
        System.out.println("pubKey=" + myPubKey);
        System.out.println("priKey=" + myPriKey);
    }
}