← Back
Editing: poly1305.cpython-311.pyc
� p�g- � �T � d dl Z d dlmZ d dlmZmZmZ d dlmZ G d� d� � Z dS )� N)�utils)�AlreadyFinalized�UnsupportedAlgorithm�_Reasons)�_Poly1305Contextc � � e Zd ZU ej e ed< defd�Zdeddfd�Z defd�Z d eddfd �Z e dededefd �� � Z e deded eddfd �� � ZdS ) �Poly1305�_ctx�keyc � � ddl m} |� � � st dt j � � �|� |� � | _ d S )Nr )�backendz5poly1305 is not supported by this version of OpenSSL.)�,cryptography.hazmat.backends.openssl.backendr �poly1305_supportedr r �UNSUPPORTED_MAC�create_poly1305_ctxr )�selfr r s �I/usr/lib/python3/dist-packages/cryptography/hazmat/primitives/poly1305.py�__init__zPoly1305.__init__ s^ � �H�H�H�H�H�H��)�)�+�+� �&�G��(�� � � �/�/��4�4�� � � � �data�returnNc � � | j �t d� � �t j d|� � | j � |� � d S )N� Context was already finalized.r )r r r �_check_byteslike�update)r r s r r zPoly1305.update sH � � �9� �"�#C�D�D� D� � �v�t�,�,�,� � ���� � � � � r c �r � | j �t d� � �| j � � � }d | _ |S )Nr )r r �finalize)r �macs r r zPoly1305.finalize# s8 � � �9� �"�#C�D�D� D��i� � �"�"���� �� r �tagc � � t j d|� � | j �t d� � �| j d c}| _ |� |� � d S )Nr r )r � _check_bytesr r �verify)r r �ctxs r r" zPoly1305.verify* sN � � ��5�#�&�&�&� �9� �"�#C�D�D� D� ��D���T�Y� � � �3�����r c �r � t |� � }|� |� � |� � � S �N)r r r )�clsr r �ps r � generate_tagzPoly1305.generate_tag2 s* � � �S�M�M�� ��������z�z�|�|�r c �x � t |� � }|� |� � |� |� � d S r% )r r r" )r& r r r r' s r � verify_tagzPoly1305.verify_tag8 s/ � � �S�M�M�� ������� ���� � � � � r )�__name__� __module__� __qualname__�typing�Optionalr �__annotations__�bytesr r r r" � classmethodr( r* � r r r r s � � � � � � � �/�*� +�+�+�+�5�E� 5� 5� 5� 5� �5� �T� � � � � �%� � � � ��%� �D� � � � � � �u� �E� �e� � � � �[� � ��U� �%� �e� �� � � � �[�� � r r ) r. � cryptographyr �cryptography.exceptionsr r r �-cryptography.hazmat.backends.openssl.poly1305r r r3 r r �<module>r7 s� �� � � � � � � � � � �� � � � � � � � � � K� J� J� J� J� J�,� ,� ,� ,� ,� ,� ,� ,� ,� ,r
Save File
Cancel