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    m5{it  ã                   @  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ƒZdS )	é    )ÚannotationsN)Úconstant_time)ÚInvalidToken)ÚHOTPÚHOTPHashTypesÚ_generate_uri)ÚBufferc                   @  sZ   e Zd Zddddddddœd	d
„Zdddœdd„Zddddœdd„Zddddœdd„ZdS )ÚTOTPNTr   Úintr   z
typing.AnyÚbool)ÚkeyÚlengthÚ	algorithmÚ	time_stepÚbackendÚenforce_key_lengthc                 C  s   || _ t||||d�| _d S )N)r   )Ú
_time_stepr   Ú_hotp)Úselfr   r   r   r   r   r   © r   úQ/tmp/pip-unpacked-wheel-6hw_jadn/cryptography/hazmat/primitives/twofactor/totp.pyÚ__init__   s    	   ÿzTOTP.__init__zint | floatÚbytes)ÚtimeÚreturnc                 C  s0   t |ttfƒstdƒ‚t|| j ƒ}| j |¡S )Nz5Time parameter must be an integer type or float type.)Ú
isinstancer
   ÚfloatÚ	TypeErrorr   r   Úgenerate)r   r   Úcounterr   r   r   r   "   s    ÿzTOTP.generateÚNone)Útotpr   r   c                 C  s   t  |  |¡|¡stdƒ‚d S )Nz#Supplied TOTP value does not match.)r   Zbytes_eqr   r   )r   r!   r   r   r   r   Úverify+   s    zTOTP.verifyÚstrz
str | None)Úaccount_nameÚissuerr   c                 C  s   t | jd||dt| jƒfgƒS )Nr!   Zperiod)r   r   r
   r   )r   r$   r%   r   r   r   Úget_provisioning_uri/   s    ûzTOTP.get_provisioning_uri)NT)Ú__name__Ú
__module__Ú__qualname__r   r   r"   r&   r   r   r   r   r	      s     ù	r	   )Ú
__future__r   Ú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   Ú<module>   s   