3
l�_a � @ sx d dl mZmZmZ d dlZd dlZd dlmZmZ dZ dZ
ej ej �G dd� de
��Zej ej �G dd � d e
��ZdS )
� )�absolute_import�division�print_functionN)�UnsupportedAlgorithm�_Reasons� �@ c @ s4 e Zd Zedd� �Zejdd� �Zejdd� �ZdS )�Ed25519PublicKeyc C s* ddl m} |j� s tdtj��|j|�S )Nr )�backendz4ed25519 is not supported by this version of OpenSSL.)�,cryptography.hazmat.backends.openssl.backendr
�ed25519_supportedr r � UNSUPPORTED_PUBLIC_KEY_ALGORITHMZed25519_load_public_bytes)�cls�datar
� r � /usr/lib64/python3.6/ed25519.py�from_public_bytes s z"Ed25519PublicKey.from_public_bytesc C s dS )z9
The serialized bytes of the public key.
Nr )�self�encoding�formatr r r � public_bytes s z Ed25519PublicKey.public_bytesc C s dS )z'
Verify the signature.
Nr )r Z signaturer r r r �verify& s zEd25519PublicKey.verifyN) �__name__�
__module__� __qualname__� classmethodr �abc�abstractmethodr r r r r r r s r c @ sN e Zd Zedd� �Zedd� �Zejdd� �Zejdd� �Z ejd d
� �Z
d S ) �Ed25519PrivateKeyc C s( ddl m} |j� s tdtj��|j� S )Nr )r
z4ed25519 is not supported by this version of OpenSSL.)r r
r r r r
Zed25519_generate_key)r r
r r r �generate/ s zEd25519PrivateKey.generatec C s* ddl m} |j� s tdtj��|j|�S )Nr )r
z4ed25519 is not supported by this version of OpenSSL.)r r
r r r r
Zed25519_load_private_bytes)r r r
r r r �from_private_bytes; s z$Ed25519PrivateKey.from_private_bytesc C s dS )zD
The Ed25519PublicKey derived from the private key.
Nr )r r r r �
public_keyG s z Ed25519PrivateKey.public_keyc C s dS )z:
The serialized bytes of the private key.
Nr )r r r Zencryption_algorithmr r r �
private_bytesM s z Ed25519PrivateKey.private_bytesc C s dS )z!
Signs the data.
Nr )r r r r r �signS s zEd25519PrivateKey.signN) r r r r r r r r r! r" r# r r r r r - s
r )Z
__future__r r r r ZsixZcryptography.exceptionsr r Z_ED25519_KEY_SIZEZ_ED25519_SIG_SIZEZ
add_metaclass�ABCMeta�objectr r r r r r � s