EncryptionDecryptionNewLogic

import java.security.Key;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;

import org.apache.axiom.om.util.Base64; 

private static String key = STATIC_AES_128BIT_KEY;
 private static String initvector = STATIC_16_BYTE_INITVECTOR; 


/**
     * Encrypt the value
     *
     * @param str the value to encrypt
     * @return the encrypted value
     */
    public static String encrypt(String str) {

try {
    IvParameterSpec iv = new IvParameterSpec(initvector.getBytes("UTF-8"));
    Key aesKey = new SecretKeySpec(key.getBytes("UTF-8"), "AES");
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
    cipher.init(Cipher.ENCRYPT_MODE, aesKey, iv);
    byte[] encrypted = cipher.doFinal(str.getBytes());
   
    return Base64.encode(encrypted);
} catch (java.security.InvalidAlgorithmParameterException | java.io.UnsupportedEncodingException
        | javax.crypto.BadPaddingException | javax.crypto.IllegalBlockSizeException | javax.crypto.NoSuchPaddingException
        | java.security.InvalidKeyException | java.security.NoSuchAlgorithmException e) {
    throw new SecurityException(e);
}
    }

    /**
     * Decrypts the value
     *
     * @param str the value to decrypt
     * @return the decrypted value
     */
    public static String decrypt(String str) {

try {
    IvParameterSpec iv = new IvParameterSpec(initvector.getBytes("UTF-8"));
    Key aesKey = new SecretKeySpec(key.getBytes("UTF-8"), "AES");
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
    cipher.init(Cipher.DECRYPT_MODE, aesKey, iv);
    byte[] bytes = Base64.decode(str);
    String decrypted = new String(cipher.doFinal(bytes));
    return decrypted;
} catch (java.security.InvalidAlgorithmParameterException | java.io.UnsupportedEncodingException
        | javax.crypto.BadPaddingException | javax.crypto.IllegalBlockSizeException | javax.crypto.NoSuchPaddingException
        | java.security.InvalidKeyException | java.security.NoSuchAlgorithmException e) {
    throw new SecurityException(e);
}
    }