o
     `                     @   sl   d dl mZmZmZ d dlmZ d dlmZmZm	Z	m
Z
mZ d dlmZ dd Zdd ZG d	d
 d
eZdS )    )absolute_importdivisionprint_function)utils)	DERReaderINTEGERSEQUENCE
encode_derencode_der_integer)hashesc                 C   sV   t | t}|t }|t }||fW  d    S 1 s$w   Y  d S N)r   Zread_single_elementr   Zread_elementr   Z
as_integer)	signatureseqrs r   home/ych/rk3568/buildroot/output/rockchip_rk3568/host/lib/python3.10/site-packages/cryptography/hazmat/primitives/asymmetric/utils.pydecode_dss_signature   s
   $r   c                 C   s    t tt tt| t tt|S r   )r	   r   r   r
   )r   r   r   r   r   encode_dss_signature   s
   r   c                   @   s   e Zd Zdd ZedZdS )	Prehashedc                 C   s&   t |tjs
td|| _|j| _d S )Nz#Expected instance of HashAlgorithm.)
isinstancer   ZHashAlgorithm	TypeErrorZ
_algorithmdigest_size_digest_size)self	algorithmr   r   r   __init__"   s   zPrehashed.__init__r   N)__name__
__module____qualname__r   r   Zread_only_propertyr   r   r   r   r   r   !   s    r   N)
__future__r   r   r   cryptographyr   Zcryptography.hazmat._derr   r   r   r	   r
   Zcryptography.hazmat.primitivesr   r   r   objectr   r   r   r   r   <module>   s   