U
    ςd
                     @  s   d dl mZ d dlZd dlZd dlmZ d dlmZ d dlm	Z	 G dd deZ
G dd	 d	ZG d
d dZG dd dZG dd deZG dd deZG dd dejdZG dd deZddddddZdS )    )annotationsN)hashes)AsymmetricPadding)rsac                   @  s   e Zd ZdZdS )PKCS1v15zEMSA-PKCS1-v1_5N)__name__
__module____qualname__name r   r   n/var/www/html/myproject/myenv/lib/python3.8/site-packages/cryptography/hazmat/primitives/asymmetric/padding.pyr      s   r   c                   @  s   e Zd ZdZdS )
_MaxLengthz Sentinel value for `MAX_LENGTH`.Nr   r   r	   __doc__r   r   r   r   r      s   r   c                   @  s   e Zd ZdZdS )_AutozSentinel value for `AUTO`.Nr   r   r   r   r   r      s   r   c                   @  s   e Zd ZdZdS )_DigestLengthz#Sentinel value for `DIGEST_LENGTH`.Nr   r   r   r   r   r      s   r   c                   @  s>   e Zd ZU e Ze Ze ZdZ	de
d< ddddddZd	S )
PSSzEMSA-PSSz3typing.Union[int, _MaxLength, _Auto, _DigestLength]_salt_lengthMGFNone)mgfsalt_lengthreturnc                 C  sD   || _ t|ttttfs tdt|tr:|dk r:td|| _d S )NzBsalt_length must be an integer, MAX_LENGTH, DIGEST_LENGTH, or AUTOr   z$salt_length must be zero or greater.)	_mgf
isinstanceintr   r   r   	TypeError
ValueErrorr   )selfr   r   r   r   r   __init__(   s     
zPSS.__init__N)r   r   r	   r   
MAX_LENGTHr   ZAUTOr   ZDIGEST_LENGTHr
   __annotations__r   r   r   r   r   r   !   s   
r   c                   @  s"   e Zd ZdZddddddZdS )	OAEPzEME-OAEPr   hashes.HashAlgorithmztyping.Optional[bytes])r   	algorithmlabelc                 C  s*   t |tjstd|| _|| _|| _d S Nz*Expected instance of hashes.HashAlgorithm.)r   r   HashAlgorithmr   r   
_algorithmZ_label)r   r   r$   r%   r   r   r   r   @   s
    zOAEP.__init__N)r   r   r	   r
   r   r   r   r   r   r"   =   s   r"   c                   @  s   e Zd ZU ded< dS )r   r#   r(   N)r   r   r	   r!   r   r   r   r   r   N   s   
r   )	metaclassc                   @  s    e Zd Ze ZddddZdS )MGF1r#   )r$   c                 C  s   t |tjstd|| _d S r&   )r   r   r'   r   r(   )r   r$   r   r   r   r   U   s    zMGF1.__init__N)r   r   r	   r   r    r   r   r   r   r   r*   R   s   r*   z1typing.Union[rsa.RSAPrivateKey, rsa.RSAPublicKey]r#   r   )keyhash_algorithmr   c                 C  sF   t | tjtjfstd| jd d }||j d }|dksBt|S )Nz(key must be an RSA public or private key         r   )r   r   ZRSAPrivateKeyZRSAPublicKeyr   Zkey_sizedigest_sizeAssertionError)r+   r,   Zemlenr   r   r   r   calculate_max_pss_salt_length\   s    r2   )
__future__r   abctypingZcryptography.hazmat.primitivesr   Z*cryptography.hazmat.primitives._asymmetricr   Z)cryptography.hazmat.primitives.asymmetricr   r   r   r   r   r   r"   ABCMetar   r*   r2   r   r   r   r   <module>   s   
