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o -&%a � @ sP d dl Z d dlmZmZ d dlmZ G dd� de jd�ZG dd� de jd�ZdS ) � N)�UnsupportedAlgorithm�_Reasons)�_serializationc @ sB e Zd Zededd fdd��Zejdej dej defdd��Z d S ) �X25519PublicKey�data�returnc C �* ddl m} |�� stdtj��|�|�S �Nr )�backendz3X25519 is not supported by this version of OpenSSL.)�,cryptography.hazmat.backends.openssl.backendr �x25519_supportedr r � UNSUPPORTED_EXCHANGE_ALGORITHM�x25519_load_public_bytes��clsr r � r �R/usr/lib/python3/dist-packages/cryptography/hazmat/primitives/asymmetric/x25519.py�from_public_bytes � � z!X25519PublicKey.from_public_bytes�encoding�formatc C � dS �z9 The serialized bytes of the public key. Nr )�selfr r r r r � public_bytes � z X25519PublicKey.public_bytesN) �__name__� __module__� __qualname__� classmethod�bytesr �abc�abstractmethodr �Encoding� PublicFormatr r r r r r s ���r )� metaclassc @ s� e Zd Zeddd��Zededd fdd��Zejde fdd��Z ejd e j d e j d e jdefd d ��Zejde defdd��ZdS )�X25519PrivateKeyr c C s( ddl m} |�� stdtj��|�� S r )r r r r r r �x25519_generate_key)r r r r r �generate% s �zX25519PrivateKey.generater c C r r )r r r r r r �x25519_load_private_bytesr r r r �from_private_bytes0 r z#X25519PrivateKey.from_private_bytesc C r r r )r r r r � public_key< r zX25519PrivateKey.public_keyr r �encryption_algorithmc C r )z: The serialized bytes of the private key. Nr )r r r r, r r r � private_bytesB r z X25519PrivateKey.private_bytes�peer_public_keyc C r )zY Performs a key exchange operation using the provided peer's public key. Nr )r r. r r r �exchangeM r zX25519PrivateKey.exchangeN)r r& )r r r r r( r r* r! r" r r+ r r# � PrivateFormat�KeySerializationEncryptionr- r/ r r r r r& $ s& ��� � r& ) r! �cryptography.exceptionsr r � cryptography.hazmat.primitivesr �ABCMetar r& r r r r �<module> s
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