*
     * @param data
     *            the data to decrypt
     * @return the decrypted data
     */
    public byte[] decrypto(final byte[] data) {
        final Cipher cipher = pollDecryptoCipher();
        byte[] decrypted;
        try {
            decrypted = cipher.doFinal(data);
        } catch (final IllegalBlockSizeException e) {
            throw new IllegalBlockSizeRuntimeException(e);