Main.java Source code

Introduction

Here is the source code for Main.java

Source

import javax.crypto.KeyGenerator;
import javax.crypto.Mac;
import javax.crypto.SecretKey;

public class Main {
    public static void main(String[] argv) throws Exception {
        KeyGenerator keyGen = KeyGenerator.getInstance("HmacMD5");
        SecretKey key = keyGen.generateKey();

        Mac mac = Mac.getInstance(key.getAlgorithm());
        mac.init(key);

        String str = "This message will be digested";

        byte[] utf8 = str.getBytes("UTF8");
        byte[] digest = mac.doFinal(utf8);

        String digestB64 = new sun.misc.BASE64Encoder().encode(digest);
        System.out.println(digestB64);
    }
}