🔐 Sid Gifari File Manager Pro
v8.0.5 | 2026-08-08 06:24:02 | PHP 8.2.32
📂
/ (Root)
/
opt
/
alt
/
python38
/
lib
/
python3.8
/
site-packages
/
paramiko
/
__pycache__
📍 /opt/alt/python38/lib/python3.8/site-packages/paramiko/__pycache__
🔄 Refresh
✏️
Editing: kex_gex.cpython-38.pyc
Read Only
U v��fP( � @ s� d Z ddlZddlmZmZ ddlmZ ddlmZm Z m Z m Z ddl m Z ddlmZ edd �\ZZZZZd d � edd �D �\ZZZZZG d d � d �ZG dd� de�Z dS )z� Variant on `KexGroup1 <paramiko.kex_group1.KexGroup1>` where the prime "p" and generator "g" are provided by the server. A bit more work is required on the client side, and a **lot** more on the server side. � N)�sha1�sha256)�util)�DEBUG�byte_chr�byte_ord� byte_mask)�Message)� SSHException� �# c C s g | ] }t |��qS � )r )�.0�cr r �A/opt/alt/python38/lib/python3.8/site-packages/paramiko/kex_gex.py� <listcomp>0 s r c @ sj e Zd ZdZdZdZdZeZdd� Z ddd �Z d d � Z d d � Z dd� Z dd� Zdd� Zdd� Zdd� ZdS )�KexGexz"diffie-hellman-group-exchange-sha1� � i c C s4 || _ d | _d | _d | _d | _d | _d | _d| _d S )NF)� transport�p�q�g�x�e�f� old_style)�selfr r r r �__init__; s zKexGex.__init__Fc C s� | j jr| j �tt� d S t� }|rB|�t� |�| j � d| _ n.|�t � |�| j � |�| j � |�| j � | j �|� | j �t� d S )NT)r Z server_mode�_expect_packet�_MSG_KEXDH_GEX_REQUEST�_MSG_KEXDH_GEX_REQUEST_OLDr �add_byte�c_MSG_KEXDH_GEX_REQUEST_OLD�add_int�preferred_bitsr �c_MSG_KEXDH_GEX_REQUEST�min_bits�max_bits� _send_message�_MSG_KEXDH_GEX_GROUP)r Z_test_old_style�mr r r � start_kexE s" � zKexGex.start_kexc C st |t kr| �|�S |tkr$| �|�S |tkr6| �|�S |tkrH| �|�S |tkrZ| � |�S d}t |� | j |���d S )Nz*KexGex {} asked to handle packet type {:d}) r �_parse_kexdh_gex_requestr* �_parse_kexdh_gex_group�_MSG_KEXDH_GEX_INIT�_parse_kexdh_gex_init�_MSG_KEXDH_GEX_REPLY�_parse_kexdh_gex_replyr! � _parse_kexdh_gex_request_oldr �format�name)r �ptyper+ �msgr r r � parse_next\ s zKexGex.parse_nextc C s� | j d d }t�|d�}t|d �}t|�}d}|d@ sL|dK }|dL }q2t�|�}t|d |�|dd � }t�|d�}|dkrL||k rLq�qL|| _ d S )N� � r � � ) r r Z deflate_longr �len�os�urandomr Z inflate_longr )r r ZqnormZqhbyteZ byte_countZqmaskZx_bytesr r r r � _generate_xl s zKexGex._generate_xc C s� |� � }|� � }|� � }|| jkr(| j}|| jk r8| j}||krD|}||k rP|}|| _|| _|| _| j�� }|d kr|td��| j�td� |||�� |� |||�\| _ | _ t � }|�t� |�| j � |�| j � | j�|� | j�t� d S )N�-Can't do server-side gex with no modulus packz Picking p ({} <= {} <= {} bits))�get_intr( r' r% r �_get_modulus_packr �_logr r4 � get_modulusr r r r" �c_MSG_KEXDH_GEX_GROUP� add_mpintr) r r/ )r r+ ZminbitsZ preferredbitsZmaxbits�packr r r r- ~ s@ �� z KexGex._parse_kexdh_gex_requestc C s� |� � | _| j| jkr | j| _| j| jk r2| j| _| j�� }|d krLtd��| j�td� | j�� |� | j| j| j�\| _ | _ t � }|�t� |�| j � |�| j � | j�|� | j�t� d| _d S )NrA zPicking p (~ {} bits)T)rB r% r( r' r rC r rD r r4 rE r r r r" rF rG r) r r/ r )r r+ rH r r r r3 � s0 � � z#KexGex._parse_kexdh_gex_request_oldc C s� |� � | _|� � | _t�| j�}|dk s0|dkr>td�|���| j�t d�|�� | � � t | j| j | j�| _ t� }|�t� |�| j � | j�|� | j�t� d S )Nr r z<Server-generated gex p (don't ask) is out of range ({} bits)zGot server p ({} bits))� get_mpintr r r � bit_lengthr r4 r rD r r@ �powr r r r" �c_MSG_KEXDH_GEX_INITrG r) r r1 )r r+ Zbitlenr r r r. � s" �� z KexGex._parse_kexdh_gex_groupc C sz |� � | _| jdk s$| j| jd kr,td��| �� t| j| j| j�| _t| j| j| j�}| j � � � � }t � }|� | j j| j j| j j| j j|� | js�|�| j� |�| j� | js�|�| j� |�| j� |�| j� |�| j� |�| j� |�|� | �|� � ��� }| j �||� | j � � �|| j j �}t � }|� t � |� |� |�| j� |� |� | j � |� | j �!� d S )Nr9 z Client kex "e" is out of range)"rI r r r r@ rK r r r r Zget_server_key�asbytesr �add�remote_version� local_version�remote_kex_init�local_kex_initr r$ r' r% r( rG � hash_algo�digest�_set_K_HZ sign_ssh_dataZ host_key_typer" �c_MSG_KEXDH_GEX_REPLYZ add_stringr) �_activate_outbound)r r+ �K�key�hm�H�sigr r r r0 � sL � � z KexGex._parse_kexdh_gex_initc C s |� � }|�� | _|� � }| jdk s4| j| jd kr<td��t| j| j| j�}t� }|�| j j | j j | j j | j j |� | js�|�| j� |�| j� | js�|�| j� |�| j� |�| j� |�| j� |�| j� |�|� | j �|| �|�� ��� � | j �||� | j �� d S )Nr9 z Server kex "f" is out of range) Z get_stringrI r r r rK r r rN r rP rO rR rQ r r$ r' r% r( rG r r rU rS rM rT Z _verify_keyrW )r r+ Zhost_keyr\ rX rZ r r r r2 � s6 � z KexGex._parse_kexdh_gex_replyN)F)�__name__� __module__� __qualname__r5 r' r( r% r rS r r, r8 r@ r- r3 r. r0 r2 r r r r r 3 s &+r c @ s e Zd ZdZeZdS )� KexGexSHA256z$diffie-hellman-group-exchange-sha256N)r] r^ r_ r5 r rS r r r r r` s r` ) �__doc__r> �hashlibr r Zparamikor Zparamiko.commonr r r r Zparamiko.messager Zparamiko.ssh_exceptionr �ranger! r* r/ r1 r r# rF rL rV r& r r` r r r r �<module> s. � � l
💾 Save Changes
❌ Cancel