| 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/primitives/kdf/__pycache__/ |
Upload File : |
�
p�g�# � � � d dl Z d dlmZ d dlmZmZmZmZ d dlm Z m
Z
mZmZm
Z
d dlmZ G d� dej � � Z G d� d ej � � Z G d
� d� � Z G d� d
e� � Z G d� de� � ZdS )� N)�utils)�AlreadyFinalized�
InvalidKey�UnsupportedAlgorithm�_Reasons)�ciphers�cmac�
constant_time�hashes�hmac)�KeyDerivationFunctionc � � e Zd ZdZdS )�Mode�ctrN)�__name__�
__module__�__qualname__�CounterMode� � �J/usr/lib/python3/dist-packages/cryptography/hazmat/primitives/kdf/kbkdf.pyr r s � � � � � ��K�K�Kr r c � � e Zd ZdZdZdZdS )�CounterLocation�before_fixed�after_fixed�middle_fixedN)r r r �BeforeFixed�
AfterFixed�MiddleFixedr r r r r s � � � � � � �K��J� �K�K�Kr r c � � e Zd Zdej dedededej e dedej e dej e d ej e d
ej e fd�Z
eded
efd�� � Z
de ded
e fd�Zd
e fd�ZdS )�
_KBKDFDeriver�prf�mode�length�rlen�llen�location�break_location�label�context�fixedc � � t |� � sJ �t |t � � st d� � �t |t � � st d� � �|�|t j u rt
d� � �|�|t j k rt
d� � �|�$t |t � � st d� � �|�|dk rt
d� � �|s| r|
rt
d� � �|�| � |� � st
d � � �|�|
�t
d
� � �|�$t |t � � st d� � �|�d}| �d} t j
d
|� � t j
d| � � || _ || _ || _
|| _ || _ || _ || _ || _ | | _ d| _ |
| _ d S )Nzmode must be of type Modez(location must be of type CounterLocationzPlease specify a break_locationzJbreak_location is ignored when location is not CounterLocation.MiddleFixedz!break_location must be an integerr z)break_location must be a positive integerz9When supplying fixed data, label and context are ignored.zrlen must be between 1 and 4zPlease specify an llenzllen must be an integerr r) r* F)�callable�
isinstancer � TypeErrorr r �
ValueError�int�_valid_byte_lengthr �_check_bytes�_prf�_mode�_length�_rlen�_llen� _location�_break_location�_label�_context�_used�_fixed_data)�selfr"