o
    e
                     @  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ZdS )     )annotationsN)hashes)AsymmetricPadding)rsac                   @     e Zd ZdZdS )PKCS1v15zEMSA-PKCS1-v1_5N)__name__
__module____qualname__name r   r   aD:\Projects\ConvertPro\env\Lib\site-packages\cryptography/hazmat/primitives/asymmetric/padding.pyr          r   c                   @  r   )
_MaxLengthz Sentinel value for `MAX_LENGTH`.Nr   r	   r
   __doc__r   r   r   r   r      r   r   c                   @  r   )_AutozSentinel value for `AUTO`.Nr   r   r   r   r   r      r   r   c                   @  r   )_DigestLengthz#Sentinel value for `DIGEST_LENGTH`.Nr   r   r   r   r   r      r   r   c                   @  s6   e Zd ZU e Ze Ze ZdZ	de
d< dd	d
ZdS )PSSzEMSA-PSS3typing.Union[int, _MaxLength, _Auto, _DigestLength]_salt_lengthmgfMGFsalt_lengthreturnNonec                 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$salt_length must be zero or greater.)	_mgf
isinstanceintr   r   r   	TypeError
ValueErrorr   )selfr   r   r   r   r   __init__(   s   
zPSS.__init__N)r   r   r   r   r   r   )r   r	   r
   r   
MAX_LENGTHr   ZAUTOr   ZDIGEST_LENGTHr   __annotations__r"   r   r   r   r   r   !   s   
 r   c                   @  s   e Zd ZdZddd	Zd
S )OAEPzEME-OAEPr   r   	algorithmhashes.HashAlgorithmlabeltyping.Optional[bytes]c                 C  s*   t |tjs
td|| _|| _|| _d S Nz*Expected instance of hashes.HashAlgorithm.)r   r   HashAlgorithmr   r   
_algorithmZ_label)r!   r   r&   r(   r   r   r   r"   @   s
   
zOAEP.__init__N)r   r   r&   r'   r(   r)   )r   r	   r
   r   r"   r   r   r   r   r%   =   s    r%   c                   @  s   e Zd ZU ded< dS )r   r'   r,   N)r   r	   r
   r$   r   r   r   r   r   N   s   
 r   )	metaclassc                   @  s   e Zd Ze Zddd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   r.   R   s    r.   key1typing.Union[rsa.RSAPrivateKey, rsa.RSAPublicKey]hash_algorithmr'   r   r   c                 C  sF   t | tjtjfstd| jd d }||j d }|dks!J |S )Nz(key must be an RSA public or private key         r   )r   r   ZRSAPrivateKeyZRSAPublicKeyr   Zkey_sizedigest_size)r/   r1   Zemlenr   r   r   r   calculate_max_pss_salt_length\   s   r6   )r/   r0   r1   r'   r   r   )
__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.   r6   r   r   r   r   <module>   s   
