re_encrypt.java

import java.util.Base64;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;


public class Simple
{
  public static String encrypt(String key, String initVector, String value) {
    try {
      IvParameterSpec iv = new IvParameterSpec(initVector.getBytes("UTF-8"));
      SecretKeySpec skeySpec = new SecretKeySpec(key.getBytes("UTF-8"), "AES");

      Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
      cipher.init(1, skeySpec, iv);

      byte[] encrypted = cipher.doFinal(value.getBytes());

      return Base64.getUrlEncoder().encodeToString(encrypted);
    } catch (Exception ex) {

    }

    return null;
  }

  public static String decrypt(String key, String initVector, String encrypted) {
    try {
      IvParameterSpec iv = new IvParameterSpec(initVector.getBytes("UTF-8"));
      SecretKeySpec skeySpec = new SecretKeySpec(key.getBytes("UTF-8"), "AES");

      Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
      cipher.init(2, skeySpec, iv);

      byte[] original = cipher.doFinal(Base64.getUrlDecoder().decode(encrypted));

      return new String(original);
    } catch (Exception ex) {

    }

    return null;
  }
public static void main(String args[]){
System.out.println(Simple.encrypt("c0dehack1nghere1", "0123456789abcdef", "tsug0d"));
}

}