Main.java Source code

Introduction

Here is the source code for Main.java

Source

import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;

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

        // Get the bytes of the key
        byte[] keyBytes = key.getEncoded();
        int numBytes = keyBytes.length;

        // The bytes can be converted back to a SecretKey
        SecretKey key2 = new SecretKeySpec(keyBytes, "DESede");
        boolean b = key.equals(key2); // true
    }
}