U
    sZ                  	   @   s   d dl Z zd dlZe ZW n eefk
r8   dZY nX d dlmZmZm	Z	 e j
d d dk shedkrd dlmZmZ e j
d  dkreZddd	Zdd
dZdd Znddd	ZdddZdd ZdS )    NZCPython)oct2intnullensureString   )   r   )a2b_hexb2a_hexFc                 C   sF   | sdS t tt| d}|rBt| d d@ rB|dt| d >  S |S )Nr               )longr   r   r   len)octetssignedvalue r   7/usr/lib/python3/dist-packages/pyasn1/compat/integer.py
from_bytes   s    r   c                 C   s>  | dk r4|r*t | }d|> }| | | }qPtdn| dkrH|dkrHtS d}| }t|dd  }|drv|d d }t|d@ rd| }| |ks|rt|d }t||}||krd	|| d d
 d  | }n|r|| dkrtdt|d d d}	|r2|	d@ r | dkr2d	| }n| dk r2d| }t|}
|
S )Nr   r   z&can't convert negative int to unsignedr   L0   Z00r      zint too big to convertr	   r
   Zff)		bitLengthOverflowErrorr   hexendswithr   maxintr   )r   r   lengthbitsZmaxValueZvalueToEncodehexValueZ	hexLengthZ	padLengthZ
firstOctetZoctets_valuer   r   r   to_bytes$   s>    






r#   c                 C   sF   t t| }t|d }|dr*|d8 }|d@ r:|d7 }|d9 }|S )Nr   r   r   r   )r   absr   r   )numberr"   r!   r   r   r   r   T   s    
r   c                 C   s   t jt| d|dS )Nbigr   )r   r   bytes)r   r   r   r   r   r   b   s    c                 C   sJ   t |  |}|r&|d dkr&|d7 }| j|d |d r<dp>d d|dS )Nr   r   r   r&   r'   )r   
bit_lengthr#   )r   r   r    r   r   r   r#   e   s    c                 C   s   t |  S )N)r   r)   )r%   r   r   r   r   m   s    )F)Fr   )F)Fr   )sysplatformZpython_implementationimplementationImportErrorAttributeErrorZpyasn1.compat.octetsr   r   r   version_infoZbinasciir   r   r   r   r   r#   r   r   r   r   r   <module>   s    


0


