File: //usr/local/CyberPanel/lib/python3.10/site-packages/paramiko/__pycache__/ed25519key.cpython-310.pyc
o
�h! � @ sx d dl Z d dlmZ d dlmZ d dlZd dlmZ d dl m
Z
m Z m Z d dl
mZ d dlmZmZ G dd � d e
�ZdS )
� N)�default_backend)�Cipher)�Message)�PKey�OPENSSH_AUTH_MAGIC�_unpad_openssh)�b)� SSHException�PasswordRequiredExceptionc @ sf e Zd ZdZdZ ddd�Zdd� Zdd � Zed
d � �Z d d
� Z
dd� Z dd� Z ddd�Z
dd� ZdS )�
Ed25519Keya
Representation of an `Ed25519 <https://ed25519.cr.yp.to/>`_ key.
.. note::
Ed25519 key support was added to OpenSSH in version 6.5.
.. versionadded:: 2.2
.. versionchanged:: 2.3
Added a ``file_obj`` parameter to match other key classes.
z ssh-ed25519Nc
C s� d | _ d }}|d u r|d urt|�}|d ur)| j|| jdd� tj�|�� �}n.|d urKt|d��}| � d|�\} }W d � n1 sEw Y n |d urW| � d|�\} }|s[|ra| �
||�}|d u rm|d u rmt d��|| _ || _
d S )Nz ssh-ed25519-cert-v01@openssh.com)�msg�key_type� cert_type�r�OPENSSHz
need a key)� public_blobr �_check_type_and_load_cert�name�nacl�signing� VerifyKey�
get_binary�open�_read_private_key�_parse_signing_key_data�
ValueError� _signing_key�_verifying_key)
�selfr �data�filename�password�file_obj�
verifying_key� signing_key�f�pkformat� r' �I/usr/local/CyberPanel/lib/python3.10/site-packages/paramiko/ed25519key.py�__init__, s0 � ��
zEd25519Key.__init__c C sn ddl m} t|�}|�tt��tkrtd��|�� }|�� }|�� }|� � }|dkr6|s1|dkr5td��n|dkrM|s@t
d��t|�} | �� }
| � � } ntd��|dkr^||j vr^td��g } t |�D ]}
t|�� �}|�� | j
krwtd��| �|�� � qd|�� }|dkr�|}n>|j | }tjt|�|
|d |d | d d
�}t|d |d |d � �|d ||d d � �t� d
��� }|�|�|�� }tt|��}|� � |� � kr�td��g }t |�D ]G}|�� | j
kr�td��|�� }|�� }tj�|d d� �}|j� � | k�r| | k�r|dd � k�s J � J �|�|� |�� q�t|�dk�r3td��|d S )Nr )� Transportz Invalid key�none�bcryptz Private key file is encryptedzkey-sizez
block-sizeT)r! �salt�desired_key_bytes�rounds�ignore_few_rounds�class�mode)�backend� � ) �paramiko.transportr* r � get_bytes�lenr r �get_textr �get_intr
� _cipher_info�ranger �appendr, �kdfr r r � decryptor�update�finalizer r r �
SigningKey�
verify_key�encode)r r r! r* �message�
ciphername�kdfname�
kdfoptions�num_keysr> � bcrypt_salt�
bcrypt_rounds� public_keys�_�pubkey�private_ciphertext� private_data�cipher�keyr? � signing_keys�i�public�key_datar$ r' r' r( r I s� ��
� ���
�
�
�
z"Ed25519Key._parse_signing_key_datac C s@ | � � r | jj}n| j}t� }|�| j� |�|�� � |�� S �N) �can_signr rC r r �
add_stringr rD �asbytes)r �v�mr' r' r( rZ � s
zEd25519Key.asbytesc C s$ | � � r | jj}n| j}| �� |fS rW )rX r rC r �get_name)r r[ r' r' r( �_fields� s
zEd25519Key._fieldsc C s | j S rW )r �r r' r' r( r] � s zEd25519Key.get_namec C s dS )N� r' r_ r' r' r( �get_bits� s zEd25519Key.get_bitsc C s
| j d uS rW )r r_ r' r' r( rX � s
zEd25519Key.can_signc C s* t � }|�| j� |�| j�|�j� |S rW )r rY r r �sign� signature)r r � algorithmr\ r' r' r( �
sign_ssh_data� s zEd25519Key.sign_ssh_datac C sD |� � | jkr dS z | j�||�� � W dS tjjy! Y dS w )NFT)r9 r r �verifyr r �
exceptions�BadSignatureError)r r r r' r' r( �verify_ssh_sig� s ��zEd25519Key.verify_ssh_sig)NNNNNrW )�__name__�
__module__� __qualname__�__doc__r r) r rZ �propertyr^ r] ra rX re ri r' r' r' r( r s
� `
r )r, � cryptography.hazmat.backendsr �&cryptography.hazmat.primitives.ciphersr � nacl.signingr �paramiko.messager �
paramiko.pkeyr r r �
paramiko.utilr �paramiko.ssh_exceptionr r
r r' r' r' r( �<module> s