%PDF-
%PDF-
Mini Shell
Mini Shell
�
�ec� � � � d Z ddlmZmZmZ ddlmZ ddlmZm Z ddl
m Z ddl m
Z
ddlmZ ddlmZ dd lmZ ed
d � \ ZZ ed
d � D � cg c]
} e| � �� c} \ ZZ G d � d
� Z G d� de� Z G d� de� Zyc c} w )zQ
Ephemeral Elliptic Curve Diffie-Hellman (ECDH) key exchange
RFC 5656, Section 4
� )�sha256�sha384�sha512)�Message)�byte_chr�long)� SSHException)�default_backend)�ec)�
serialization)�hexlify� � c �Z � e Zd ZdZeZ ej � Zd� Z d� Z
d� Z d� Z d� Z
d� Zy) � KexNistp256zecdh-sha2-nistp256c �N � || _ t d� | _ d | _ d | _ y )Nr )� transportr �P�Q_C�Q_S)�selfr s �8/usr/lib/python3/dist-packages/paramiko/kex_ecdh_nist.py�__init__zKexNistp256.__init__ s" � �"����a���������� c � � | j � | j j r | j j t � y t � }|j
t � |j | j j t j j t j j � � | j j! |� | j j t" � y �N)�_generate_key_pairr � server_mode�_expect_packet�_MSG_KEXECDH_INITr �add_byte�c_MSG_KEXECDH_INIT�
add_stringr � public_bytesr �Encoding�X962� PublicFormat�UncompressedPoint�
_send_message�_MSG_KEXECDH_REPLY)r �ms r � start_kexzKexNistp256.start_kex s� � � � � �!� �>�>� %� %� �N�N� )� )�*;� <� � �I�� �
�
�%�&� � � � �H�H� !� !� �&�&�+�+� �*�*�<�<�
�
�
���$�$�Q�'� ���%�%�&8�9r c � � | j j r|t k( r| j |� S | j j s|t k( r| j |� S t
dj |� � �)Nz(KexECDH asked to handle packet type {:d})r r r �_parse_kexecdh_initr* �_parse_kexecdh_replyr �format)r �ptyper+ s r �
parse_nextzKexNistp256.parse_next1 si � � �>�>� %� %�5�4E�+E��+�+�A�.� .�� � �+�+��:L�1L��,�,�Q�/� /�� 6� =� =�e� D�
�
r c � � t j | j t � � | _ | j
j r | j j � | _ y | j j � | _ y r )
r �generate_private_key�curver
r r r �
public_keyr r )r s r r z KexNistp256._generate_key_pair: sU � ��(�(����_�5F�G��� �>�>� %� %��v�v�(�(�*�D�H� ��6�6�$�$�&��r c �& � |j � }t j j | j |� | _ | j j � j � }| j j t j � | j
� }t t |� d� }t � }|j | j j | j j" | j j$ | j j& � |j) |� |j) |� |j) | j* j- t. j0 j2 t. j4 j6 � � |j9 t |� � | j; |j � � j= � }| j j? ||� | j j � jA || j jB � }t � }|jE tF � |j) |� |j) | j* j- t. j0 j2 t. j4 j6 � � |j) |� | j jI |� | j jK � y �N� )&�
get_stringr �EllipticCurvePublicKey�from_encoded_pointr5 r r �get_server_key�asbytesr �exchange�ECDHr r
r �add�remote_version�
local_version�remote_kex_init�local_kex_initr# r r$ r r% r& r' r( � add_mpint� hash_algo�digest�_set_K_H�
sign_ssh_data�
host_key_typer! �c_MSG_KEXECDH_REPLYr) �_activate_outbound)r r+ � Q_C_bytes�K_S�K�hm�H�sigs r r. z KexNistp256._parse_kexecdh_initA s � ��L�L�N� ��,�,�?�?� �J�J� �
��� �n�n�+�+�-�5�5�7�� �F�F�O�O�B�G�G�I�t�x�x� 0�� ����R� ��
�Y��
��� �N�N� )� )� �N�N� (� (� �N�N� *� *� �N�N� )� )�
� �
�
�c��
�
�
�i� �
�
�
� �H�H� !� !� �&�&�+�+� �*�*�<�<�
�
� � � �T�!�W� � �N�N�2�:�:�<� (� /� /� 1�� ��� � ��1�%��n�n�+�+�-�;�;�
�t�~�~�+�+�
��
�I�� �
�
�&�'� � � �S�� � � � �H�H� !� !� �&�&�+�+� �*�*�<�<�
�
�
� � �S�� ���$�$�Q�'� ���)�)�+r c �N � |j � }|j � }t j j | j |� | _ |j
� }| j j t j � | j
� }t t |� d� }t � }|j | j j | j j | j j" | j j$ � |j' |� |j' | j( j+ t, j. j0 t, j2 j4 � � |j' |� |j7 |� | j j9 || j; |j= � � j? � � | j jA ||� | j jC � y r8 )"r: r r; r< r5 r �
get_binaryr r? r@ r r
r rA r rC rB rE rD r# r r$ r r% r& r' r( rF rI rG r> rH � _verify_keyrM )r r+ rO � Q_S_bytesrS rP rQ s r r/ z KexNistp256._parse_kexecdh_replyn sn � ��l�l�n���L�L�N� ��,�,�?�?� �J�J� �
��� �l�l�n�� �F�F�O�O�B�G�G�I�t�x�x� 0�� ����R� ��
�Y��
��� �N�N� (� (� �N�N� )� )� �N�N� )� )� �N�N� *� *�
� �
�
�c��
�
�
� �H�H� !� !� �&�&�+�+� �*�*�<�<�
�
� �
�
�i� �
� � �Q�� ��� � ��4�>�>�"�*�*�,�#?�#F�#F�#H�I� ���"�"�3��,� ���)�)�+r N)�__name__�
__module__� __qualname__�namer rG r � SECP256R1r5 r r, r2 r r. r/ � r r r r s8 � � �D��I� �B�L�L�N�E��:�"
�'�+,�Z ,r r c �6 � e Zd ZdZeZ ej � Zy)� KexNistp384zecdh-sha2-nistp384N) rX rY rZ r[ r rG r � SECP384R1r5 r] r r r_ r_ � � � � �D��I� �B�L�L�N�Er r_ c �6 � e Zd ZdZeZ ej � Zy)� KexNistp521zecdh-sha2-nistp521N) rX rY rZ r[ r rG r � SECP521R1r5 r] r r rc rc � ra r rc N) �__doc__�hashlibr r r �paramiko.messager �paramiko.py3compatr r �paramiko.ssh_exceptionr � cryptography.hazmat.backendsr
�)cryptography.hazmat.primitives.asymmetricr � cryptography.hazmat.primitivesr �binasciir
�ranger r* r" rL r r_ rc )�cs 0r �<module>rp s� ���
+� *� $� -� /� 8� 8� 8� �(-�b�"�
� %� �%�@E�b�"�
�*N�1�8�A�;�*N� '� �'�x,� x,�v�+� � �+� ��I +Os �B
Zerion Mini Shell 1.0