File: //usr/local/CyberCP/lib/python3.10/site-packages/asyncssh/crypto/__pycache__/dh.cpython-310.pyc
o
�h � @ s" d Z ddlmZ G dd� d�ZdS )�2A shim around PyCA for Diffie Hellman key exchange� )�dhc @ sB e Zd ZdZdedefdd�Zdefdd�Zd edefd
d �Zd S )
�DHr �g�pc C s" t �||�| _| j�� �� | _d S )N)r �DHParameterNumbers�_pn�
parameters�generate_private_key� _priv_key)�selfr r � r
�E/usr/local/CyberCP/lib/python3.10/site-packages/asyncssh/crypto/dh.py�__init__ s z DH.__init__�returnc C s | j �� }|�� jS )z.Return the public key to send in the handshake)r �
public_key�public_numbers�y)r �pub_keyr
r
r �
get_public! s
z
DH.get_public� peer_publicc C s* t �|| j��� }| j�|�}t�|d�S )z0Return the shared key from the peer's public key�big)r �DHPublicNumbersr r r �exchange�int�
from_bytes)r r �peer_key�
shared_keyr
r
r �
get_shared( s z
DH.get_sharedN)�__name__�
__module__� __qualname__�__doc__r r r r r
r
r
r r s
r N)r" �)cryptography.hazmat.primitives.asymmetricr r r
r
r
r �<module> s