a
HZ�h� � @ s� d dl Z d dlZd dlmZ d dlZddlmZ ddlmZ ej gZ
ejrVe
�ej
� ej�de
�dd� �Zd d
� Zdd� ZdS )
� N)� unhexlify� )� checksums)�
bin_to_hex�implementationc C sD t �d�}t|�}d}tdd�D ]}dD ]}|||| � }q(q d S )Ni, ixV4r � )-r � r � r � � � � � �
� � �! �"