Current Dir: /snap/core22/2437/usr/lib/python3/dist-packages/cryptography/hazmat/primitives/__pycache__/
[FILE] cmac.cpython-310.pyc [ edit | delete | rename ]
[FILE] constant_time.cpython-310.pyc [ edit | delete | rename ]
[FILE] hashes.cpython-310.pyc [ edit | delete | rename ]
[FILE] hmac.cpython-310.pyc [ edit | delete | rename ]
[FILE] keywrap.cpython-310.pyc [ edit | delete | rename ]
[FILE] padding.cpython-310.pyc [ edit | delete | rename ]
[FILE] poly1305.cpython-310.pyc [ edit | delete | rename ]
[FILE] _asymmetric.cpython-310.pyc [ edit | delete | rename ]
[FILE] _cipheralgorithm.cpython-310.pyc [ edit | delete | rename ]
[FILE] _serialization.cpython-310.pyc [ edit | delete | rename ]
[FILE] __init__.cpython-310.pyc [ edit | delete | rename ]
Viewing: /snap/core22/2437/usr/lib/python3/dist-packages/cryptography/hazmat/primitives/__pycache__/padding.cpython-310.pyc
o
�)%a1 �
@ sl d dl Z d dlZd dlmZ d dlmZ d dlmZ G dd� de jd�Z de
d dfd
d �Z d ej e
d
e
de
d eje
e
f fdd�Zd ej e
de
deje
ge
f d e
fdd�Zd ej e
d
e
de
d eje
e
f fdd�Zd ej e
de
deje
e
ge
f d e
fdd�ZG dd� de�ZG dd� de �ZG d d � d e �ZG d d � d e�ZG d d!� d!e �ZG d"d#� d#e �ZdS )$� N)�utils)�AlreadyFinalized)�libc @ s8 e Zd Zejdedefdd��Zejdefdd��ZdS )�PaddingContext�data�returnc C � dS )zR
Pads the provided bytes and returns any available data as bytes.
N� )�selfr r r �H/usr/lib/python3/dist-packages/cryptography/hazmat/primitives/padding.py�update � zPaddingContext.updatec C r )z6
Finalize the padding, returns bytes.
Nr �r
r r r �finalize r
zPaddingContext.finalizeN)�__name__�
__module__� __qualname__�abc�abstractmethod�bytesr r r r r r r s
r )� metaclass�
block_sizer c C s< d| kr
dkst d�� t d��| d dkr t d��d S )Nr i� z%block_size must be in range(0, 2041).� z#block_size must be a multiple of 8.)�
ValueError)r r r r �_byte_padding_check s � �r �buffer_r c C sh | d u rt d��t�d|� | t|�7 } t| �|d }| d ||d � }| ||d d � } | |fS )N� Context was already finalized.r r )r r �_check_bytesliker �len�r r r �finished_blocks�resultr r r �_byte_padding_update$ s r" � paddingfnc C s, | d u rt d��|d t| � }| ||� S )Nr r )r r )r r r# �pad_sizer r r �_byte_padding_pad6 s r% c C sr | d u rt d��t�d|� | t|�7 } tt| �|d d d�}| d ||d � }| ||d d � } | |fS )Nr r r � r )r r r r �maxr r r r r �_byte_unpadding_updateB s r( �checkfnc C sX | d u rt d��t| �|d krtd��|| |d �}|s!td��| d }| d | � S )Nr r zInvalid padding bytes.���)r r r )r r r) �validr$ r r r �_byte_unpadding_checkT s r, c @ s* e Zd Zdefdd�Zdd� Zdd� ZdS ) �PKCS7r c C � t |� || _d S �N�r r �r
r r r r �__init__i �
zPKCS7.__init__c C �
t | j�S r/ )�_PKCS7PaddingContextr r r r r �padderm �
z PKCS7.padderc C r4 r/ )�_PKCS7UnpaddingContextr r r r r �unpadderp r7 zPKCS7.unpadderN)r r r �intr2 r6 r9 r r r r r- h s r- c @ �\ e Zd ZU eje ed< defdd�Zdedefdd�Z d edefd
d �Z
defd d
�Z dS )r5 �_bufferr c C � || _ d| _d S �N� �r r< r1 r r r r2 w �
z _PKCS7PaddingContext.__init__r r c C � t | j|| j�\| _}|S r/ �r" r< r �r
r r! r r r r | �
�z_PKCS7PaddingContext.update�sizec C s t |g�| S r/ �r �r
rF r r r �_padding� s z _PKCS7PaddingContext._paddingc C � t | j| j| j�}d | _|S r/ �r% r< r rI �r
r! r r r r � �
�z _PKCS7PaddingContext.finalizeN� r r r �typing�Optionalr �__annotations__r: r2 r rI r r r r r r5 t �
r5 c @ �J e Zd ZU eje ed< defdd�Zdedefdd�Z defd d
�Z
d S ) r8 r< r c C r= r> r@ r1 r r r r2 � rA z _PKCS7UnpaddingContext.__init__r r c C rB r/ �r( r< r rD r r r r � rE z _PKCS7UnpaddingContext.updatec C � t | j| jtj�}d | _|S r/ )r, r< r r � Cryptography_check_pkcs7_paddingrL r r r r � rM z _PKCS7UnpaddingContext.finalizeN� r r r rO rP r rQ r: r2 r r r r r r r8 � �
r8 c @ s6 e Zd Zdefdd�Zdefdd�Zdefdd�Zd S )
�ANSIX923r c C r. r/ r0 r1 r r r r2 � r3 zANSIX923.__init__r c C r4 r/ )�_ANSIX923PaddingContextr r r r r r6 � r7 zANSIX923.padderc C r4 r/ )�_ANSIX923UnpaddingContextr r r r r r9 � r7 zANSIX923.unpadderN)r r r r: r2 r r6 r9 r r r r rY � s rY c @ r; )rZ r< r c C r= r> r@ r1 r r r r2 � rA z _ANSIX923PaddingContext.__init__r r c C rB r/ rC rD r r r r � rE z _ANSIX923PaddingContext.updaterF c C s t dg�|d t |g� S )Nr r& rG rH r r r rI � s z _ANSIX923PaddingContext._paddingc C rJ r/ rK rL r r r r � rM z _ANSIX923PaddingContext.finalizeNrN r r r r rZ � rR rZ c @ rS ) r[ r< r c C r= r> r@ r1 r r r r2 � rA z"_ANSIX923UnpaddingContext.__init__r r c C rB r/ rT rD r r r r � rE z _ANSIX923UnpaddingContext.updatec C rU r/ )r, r< r r �#Cryptography_check_ansix923_paddingrL r r r r � s �z"_ANSIX923UnpaddingContext.finalizeNrW r r r r r[ � rX r[ )r rO � cryptographyr �cryptography.exceptionsr �%cryptography.hazmat.bindings._paddingr �ABCMetar r: r rP r �Tupler" �Callabler% r( r, �objectr- r5 r8 rY rZ r[ r r r r �<module> sb ���
����
� ���
����
�