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o �hs � @ s d dl mZ d dlZd dlZd dlmZ d dlmZ d dl m Z G dd� dej d�Z G d d � d e ej d�Z G d d � d e ej d�ZG d d� de ej d�Zejdeje j dd�ZG dd� deje �Zeeje je jde je jf Ze �ej j � e�ej j� e�ej j� dS )� )� annotationsN)�openssl)�CipherAlgorithm)�modesc @ sL e Zd Zejddd��Zejddd ��Zejdd d ��Zejddd��ZdS )� CipherContext�data�bytes�returnc C � dS )zk Processes the provided bytes through the cipher and returns the results as bytes. N� ��selfr r r �^/usr/local/CyberCP/lib/python3.10/site-packages/cryptography/hazmat/primitives/ciphers/base.py�update � zCipherContext.update�buf�intc C r )z� Processes the provided bytes and writes the resulting data into the provided buffer. Returns the number of bytes written. Nr )r r r r r r � update_into r zCipherContext.update_intoc C r )zM Returns the results of processing the final block as bytes. Nr �r r r r �finalize r zCipherContext.finalize�nonce�Nonec C r )z� Resets the nonce for the cipher context to the provided value. Raises an exception if it does not support reset or if the provided nonce does not have a valid length. Nr )r r r r r � reset_nonce$ r zCipherContext.reset_nonceN)r r r r )r r r r r r �r r )r r r r ) �__name__� __module__� __qualname__�abc�abstractmethodr r r r r r r r r s r )� metaclassc @ s e Zd Zejddd��ZdS ) �AEADCipherContextr r r r c C r )z3 Authenticates the provided bytes. Nr r r r r � authenticate_additional_data. r z.AEADCipherContext.authenticate_additional_dataN)r r r r )r r r r r r! r r r r r - � r c @ s e Zd Zejddd��ZdS )�AEADDecryptionContext�tagr r c C r )z� Returns the results of processing the final block as bytes and allows delayed passing of the authentication tag. Nr )r r$ r r r �finalize_with_tag6 r z'AEADDecryptionContext.finalize_with_tagN)r$ r r r )r r r r r r% r r r r r# 5 r" r# c @ s e Zd Zeejddd���ZdS )�AEADEncryptionContextr r c C r )zb Returns tag bytes. This is only available after encryption is finalized. Nr r r r r r$ ? r zAEADEncryptionContext.tagNr )r r r �propertyr r r$ r r r r r& > s r& �ModeT)�bound� covariantc @ sj e Zd Z ddd d �Zejd dd��Zejd dd��Zdd� Zejd dd��Zejd dd��Zdd� ZdS ) �CipherN� algorithmr �moder( �backend� typing.Anyr r c C sD t |t�s td��|d urt |tj�sJ �|�|� || _|| _d S )Nz&Expected interface of CipherAlgorithm.)� isinstancer � TypeErrorr r( �validate_for_algorithmr, r- )r r, r- r. r r r �__init__N s zCipher.__init__r �'Cipher[modes.ModeWithAuthenticationTag]r& c C � d S �Nr r r r r � encryptor` � zCipher.encryptor� _CIPHER_TYPEr c C r5 r6 r r r r r r7 e r8 c C s4 t | jtj�r| jjd urtd��tj�| j | j�S )Nz0Authentication tag must be None when encrypting.) r0 r- r �ModeWithAuthenticationTagr$ � ValueError� rust_openssl�ciphers�create_encryption_ctxr, r r r r r7 j s ��r# c C r5 r6 r r r r r � decryptoru r8 zCipher.decryptorc C r5 r6 r r r r r r? z r8 c C s t j�| j| j�S r6 )r< r= �create_decryption_ctxr, r- r r r r r? s �r6 )r, r r- r( r. r/ r r )r r4 r r& )r r9 r r )r r4 r r# )r r r r3 �typing�overloadr7 r? r r r r r+ M s � r+ ) � __future__r r rA �"cryptography.hazmat.bindings._rustr r< �/cryptography.hazmat.primitives._cipheralgorithmr �&cryptography.hazmat.primitives.ciphersr �ABCMetar r r# r& �TypeVar�Optionalr( �Genericr+ �Union� ModeWithNonce� ModeWithTweak�ECB� ModeWithInitializationVectorr9 �registerr= r r r r �<module> s6 �8���
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