| Server IP : 217.160.0.135 / Your IP : 216.73.217.85 Web Server : Apache System : Linux www 6.18.52-i1-ampere #1203 SMP Mon Sep 14 18:29:59 CEST 2026 aarch64 User : sws1074145052 ( 1074145052) PHP Version : 8.3.32 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /lib/python3/dist-packages/cryptography/hazmat/backends/openssl/__pycache__/ |
Upload File : |
�
p�g � �r � d dl Z d dlmZmZmZ d dlmZmZ e j rd dl m
Z
G d� dej � � Z dS )� N)�InvalidSignature�UnsupportedAlgorithm�_Reasons)�
constant_time�hashes)�Backendc � � e Zd Z ddddedej fd�Zedej fd�� � Zdd �Z d
eddfd �Z
defd �Z d
eddfd�Z dS )� _HMACContextN�backendr �key� algorithmc �� � || _ || _ |��W| j j � � � }| j � || j j j k � � | j j � || j j j � � }| j � |� � }|| j j j k r2t d� |j � � t j � � �| j j � |� � }| j j � ||t# |� � || j j j � � }| j � |dk � � || _ || _ d S )Nz*{} is not a supported hash on this backendr )�
_algorithm�_backend�_lib� HMAC_CTX_new�openssl_assert�_ffi�NULL�gc�
HMAC_CTX_free�_evp_md_from_algorithmr �format�namer �UNSUPPORTED_HASH� from_buffer� HMAC_Init_ex�len�_ctx�_key)�selfr r r
�ctx�evp_md�key_ptr�ress �K/usr/lib/python3/dist-packages/cryptography/hazmat/backends/openssl/hmac.py�__init__z_HMACContext.__init__ sG � � $��� ��
� �;��-�$�1�1�3�3�C� �M� (� (���
�0B�0G�)G� H� H� H��-�$�'�'��T�]�-?�-M�N�N�C��]�9�9�)�D�D�F��� �+�0�0�0�*�@�G�G�!��� � �-� � � � �m�(�4�4�S�9�9�G��-�$�1�1��W�c�#�h�h���
�0B�0G�� �C�
�M� (� (���� 2� 2� 2��� ��� � � � �returnc � � | j S �N)r )r! s r& r
z_HMACContext.algorithm3 s
� ��� r( c � � | j j � � � }| j � || j j j k � � | j j � || j j j � � }| j j � || j � � }| j � |dk � � t | j | j | j |�� � S )Nr )r" )
r r r r r r r r �
HMAC_CTX_copyr r
r r
)r! �
copied_ctxr% s r& �copyz_HMACContext.copy7 s� � ��]�'�4�4�6�6�
� �
�$�$�Z�4�=�3E�3J�%J�K�K�K��]�'�*�*� ��
�*�8�
�
�
� �m� �.�.�z�4�9�E�E�� �
�$�$�S�A�X�.�.�.�� �M�4�9�d�n�*�
�
�
�
r( �datac �� � | j j � |� � }| j j � | j |t
|� � � � }| j � |dk � � d S )Nr )r r r r � HMAC_Updater r r )r! r0 �data_ptrr% s r& �updatez_HMACContext.updateC s^ � ��=�%�1�1�$�7�7���m� �,�,�T�Y��#�d�)�)�L�L�� �
�$�$�S�A�X�.�.�.�.�.r( c �� � | j j � d| j j j � � }| j j � d� � }| j j � | j ||� � }| j � |dk � � | j � |d | j j k � � | j j �
|� � d |d � S )Nzunsigned char[]zunsigned int *r ) r r �newr �EVP_MAX_MD_SIZE�
HMAC_Finalr r r
� digest_size�buffer)r! �buf�outlenr% s r& �finalizez_HMACContext.finalizeH s� � ��m� �$�$� �t�}� 1� A�
�
�� � �#�'�'�(8�9�9���m� �+�+�D�I�s�F�C�C�� �
�$�$�S�A�X�.�.�.� �
�$�$�V�A�Y�$�.�2L�%L�M�M�M��}�!�(�(��-�-�k��q� �k�:�:r( � signaturec �v � | � � � }t j ||� � st d� � �d S )Nz Signature did not match digest.)r= r �bytes_eqr )r! r> �digests r& �verifyz_HMACContext.verifyR s@ � �� � � � �� �%�f�i�8�8� F�"�#D�E�E� E� F� Fr( r+ )r) r
)
�__name__�
__module__� __qualname__�bytesr �
HashAlgorithmr' �propertyr
r/ r4 r= rB � r( r& r
r
s� � � � � � �
� � �� � � � �'� � � � �> � �6�/� � � � �X� �
�
�
�
�/�5� /�T� /� /� /� /�
;�%� ;� ;� ;� ;�F�� F�$� F� F� F� F� F� Fr( r
)
�typing�cryptography.exceptionsr r r � cryptography.hazmat.primitivesr r �
TYPE_CHECKING�,cryptography.hazmat.backends.openssl.backendr � HashContextr
rI r( r& �<module>rP s� ��
�
�
�
�� � � � � � � � � �
A� @� @� @� @� @� @� @�
�� E�D�D�D�D�D�D�BF� BF� BF� BF� BF�6�%� BF� BF� BF� BF� BFr(