/*  
 * %classpath%;H:\commons-codec-1.3\commons-codec-1.3.jar
 */

import javax.crypto.KeyGenerator;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import org.apache.commons.codec.binary.Base64;
import java.security.MessageDigest;

public class Code {
  public static void main(String[] args) {
    try {
        KeyGenerator keygen = KeyGenerator.getInstance("TripleDES");
        System.out.println("TripleDES Provider is: " + keygen.getProvider());
        System.out.println("Key generator algorithm: " + keygen.getAlgorithm());
        SecretKey sk = keygen.generateKey();
        System.out.println("Secret key algorithm: " + sk.getAlgorithm());
        System.out.println("Secret key format: " + sk.getFormat());
        byte[] bytes = sk.getEncoded();
        System.out.println(bytes.length);
        System.out.println(new String(bytes));
        byte[] encoded = Base64.encodeBase64(bytes);
        System.out.println("Encoded length: " + encoded.length);
        System.out.println(new String(encoded));
        Cipher c = Cipher.getInstance("TripleDES");
        c.init(Cipher.ENCRYPT_MODE, sk);
        byte[] before = args[0].getBytes();
        System.out.println("Before: " + before.length + " " + new String(before));
        byte[] after = c.doFinal(before);
        System.out.println("After: " + after.length + " " + new String(after));
        encoded = Base64.encodeBase64(after);
        System.out.println("Base64: " + encoded.length + " " + new String(encoded));
        c.init(Cipher.DECRYPT_MODE, sk);
        byte[] decode = c.doFinal(after);
        System.out.println("Decoded: " + new String(decode));
        MessageDigest digest = MessageDigest.getInstance("SHA-1");
        digest.update(before);
        byte[] hash = digest.digest();
        System.out.println(hash.length);
        encoded = Base64.encodeBase64(hash);
        System.out.println("Base64: " + encoded.length + " " + new String(encoded));
    }catch(Exception e) {
      e.printStackTrace();
    }
   }
}