Triple DES (3DES) with CBC mode algorithm in java

import java.security.Key; import java.util.Arrays; import javax.crypto.Cipher; import javax.crypto.SecretKey; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; import org.apache.commons.codec.binary.Hex;

public static void main(String[] args) {       String yourOwnKey = "ASDFGHJKLZXCVBNMQWERTYUI", originalText = "Give your text to encrypt.";         decrypt(encrypt(originalText, yourOwnKey), yourOwnKey);     }

public static String encrypt(String originalText, String yourOwnKey) {       String encryptedText = null;       byte[] bytes = null;             try {             bytes = originalText.getBytes();             bytes = Arrays.copyOf(bytes, ((bytes.length + 7) / 8) * 8);                         Cipher cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");             SecretKey key = new SecretKeySpec(yourOwnKey.getBytes(), "DESede");             IvParameterSpec iv = new IvParameterSpec(new byte[8]);                           cipher.init(Cipher.ENCRYPT_MODE, (Key) key, iv);             byte[] encryptByte = cipher.doFinal(bytes);             encryptedText = new String(Hex.encodeHex(encryptByte));                         System.out.println("originalText: " +originalText+ " --> encryptedText: " + encryptedText);                       } catch (Exception e) {                   //throw || log             }       return encryptedText;     }

public static String decrypt(String encryptedTxt, String yourOwnKey) {       String decryptedText  = null;       byte[] bytes = null;             try {             bytes = Hex.decodeHex(encryptedTxt.toCharArray());                         Cipher cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");             SecretKey key = new SecretKeySpec(yourOwnKey.getBytes(), "DESede");             IvParameterSpec iv = new IvParameterSpec(new byte[8]);                           cipher.init(Cipher.DECRYPT_MODE, (Key) key, iv);             byte[] decryptByte = cipher.doFinal(bytes);                         decryptedText = new String(decryptByte);             if (decryptedText.indexOf((char) 0) > 0)                   decryptedText = decryptedText.substring(0, decryptedText.indexOf((char) 0));                         System.out.println("encryptedTxt: " +encryptedTxt+ " --> decryptedText: " + decryptedText);                        } catch (Exception e) {                   //throw || log             }       return decryptedText;     }