🔐 Sid Gifari File Manager Pro
v8.0.5 | 2026-06-14 18:04:11 | PHP 8.1.34
📂
/ (Root)
/
usr
/
lib64
/
python3.9
/
site-packages
/
cryptography
/
hazmat
/
primitives
/
kdf
/
__pycache__
📍 /usr/lib64/python3.9/site-packages/cryptography/hazmat/primitives/kdf/__pycache__
🔄 Refresh
✏️
Editing: pbkdf2.cpython-39.pyc
Read Only
a �a� � @ s\ d dl Z d dlmZ d dlmZmZmZmZ d dlm Z m Z d dl m Z G dd� de �Z dS )� N)�utils)�AlreadyFinalized� InvalidKey�UnsupportedAlgorithm�_Reasons)� constant_time�hashes)�KeyDerivationFunctionc @ sJ e Zd Zd ejeeeejd�dd�Z eed�dd�Z eedd�d d �Z dS ) � PBKDF2HMACN)� algorithm�length�salt� iterations�backendc C sX ddl m} |�|�s*td�|j�tj��d| _|| _ || _ t � d|� || _ || _d S )Nr �r z/{} is not supported for PBKDF2 by this backend.Fr )�,cryptography.hazmat.backends.openssl.backendr Zpbkdf2_hmac_supportedr �format�namer ZUNSUPPORTED_HASH�_used� _algorithm�_lengthr � _check_bytes�_salt� _iterations)�selfr r r r r Zossl� r �O/usr/lib64/python3.9/site-packages/cryptography/hazmat/primitives/kdf/pbkdf2.py�__init__ s �� zPBKDF2HMAC.__init__)� key_material�returnc C sF | j rtd��d| _ t�d|� ddlm} |�| j| j| j | j |�S )Nz'PBKDF2 instances can only be used once.Tr r r ) r r r Z_check_bytesliker r Zderive_pbkdf2_hmacr r r r )r r r r r r �derive. s �zPBKDF2HMAC.derive)r � expected_keyr c C s" | � |�}t�||�s td��d S )NzKeys do not match.)r r Zbytes_eqr )r r r! Z derived_keyr r r �verify> s zPBKDF2HMAC.verify)N) �__name__� __module__� __qualname__r Z HashAlgorithm�int�bytes�typing�Anyr r r" r r r r r s �� r )r( Z cryptographyr Zcryptography.exceptionsr r r r Z cryptography.hazmat.primitivesr r Z"cryptography.hazmat.primitives.kdfr r r r r r �<module> s
💾 Save Changes
❌ Cancel