U
    ʹht                     @  s^   d dl mZ d dlZd dlmZ d dlmZ d dlmZm	Z	m
Z
 d dlmZ G dd dZdS )	    )annotationsN)constant_time)InvalidToken)HOTPHOTPHashTypes_generate_uri)Bufferc                   @  sZ   e Zd Zddddddddd	d
ZdddddZddddddZddddddZdS )TOTPNTr   intr   z
typing.Anybool)keylength	algorithm	time_stepbackendenforce_key_lengthc                 C  s   || _ t||||d| _d S )N)r   )
_time_stepr   _hotp)selfr   r   r   r   r   r    r   S./venv/lib/python3.8/site-packages/cryptography/hazmat/primitives/twofactor/totp.py__init__   s    	   zTOTP.__init__zint | floatbytes)timereturnc                 C  s0   t |ttfstdt|| j }| j|S )Nz5Time parameter must be an integer type or float type.)
isinstancer
   float	TypeErrorr   r   generate)r   r   Zcounterr   r   r   r   "   s    zTOTP.generateNone)totpr   r   c                 C  s   t | ||stdd S )Nz#Supplied TOTP value does not match.)r   Zbytes_eqr   r   )r   r    r   r   r   r   verify+   s    zTOTP.verifystrz
str | None)account_nameissuerr   c                 C  s   t | jd||dt| jfgS )Nr    Zperiod)r   r   r
   r   )r   r#   r$   r   r   r   get_provisioning_uri/   s    zTOTP.get_provisioning_uri)NT)__name__
__module____qualname__r   r   r!   r%   r   r   r   r   r	      s     	r	   )Z
__future__r   typingZcryptography.hazmat.primitivesr   Z(cryptography.hazmat.primitives.twofactorr   Z-cryptography.hazmat.primitives.twofactor.hotpr   r   r   Zcryptography.utilsr   r	   r   r   r   r   <module>   s   