✏️ 正在编辑: scrypt.cpython-36.pyc
路径:
/lib64/python3.6/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/scrypt.cpython-36.pyc
提示:
您可以编辑任何文件（包括二进制文件），但请注意不当修改可能导致文件损坏。
3 l�_� � @ s� d dl mZmZmZ d dlZd dlmZ d dlmZm Z m Z m Z d dl m Z d dlmZ d dlmZ d dlmZ ejd Zeje�G d d � d e��ZdS ) � )�absolute_import�division�print_functionN)�utils)�AlreadyFinalized� InvalidKey�UnsupportedAlgorithm�_Reasons)� _get_backend)� ScryptBackend)� constant_time)�KeyDerivationFunction� c @ s& e Zd Zddd�Zdd� Zdd� ZdS ) �ScryptNc C s� t |�}t|t�s tdtj��|| _tjd|� |dk sH||d @ dkrPt d��|dk r`t d��|dk rpt d��d | _ || _ || _ || _ || _|| _d S ) Nz0Backend object does not implement ScryptBackend.�saltr � r z-n must be greater than 1 and be a power of 2.z%r must be greater than or equal to 1.z%p must be greater than or equal to 1.F)r � isinstancer r r ZBACKEND_MISSING_INTERFACE�_lengthr � _check_bytes� ValueError�_used�_salt�_n�_r�_p�_backend)�selfr Zlength�n�r�pZbackend� r � /usr/lib64/python3.6/scrypt.py�__init__ s& zScrypt.__init__c C s@ | j rtd��d| _ tjd|� | jj|| j| j| j| j | j �S )Nz'Scrypt instances can only be used once.T� key_material) r r r Z_check_bytesliker Z derive_scryptr r r r r )r r# r r r! �derive7 s z Scrypt.derivec C s" | j |�}tj||�s td��d S )NzKeys do not match.)r$ r Zbytes_eqr )r r# Z expected_keyZ derived_keyr r r! �verifyA s z Scrypt.verify)N)�__name__� __module__� __qualname__r" r$ r% r r r r! r s r )Z __future__r r r �sysZ cryptographyr Zcryptography.exceptionsr r r r Z cryptography.hazmat.backendsr Z'cryptography.hazmat.backends.interfacesr Z cryptography.hazmat.primitivesr Z"cryptography.hazmat.primitives.kdfr �maxsizeZ _MEM_LIMITZregister_interface�objectr r r r r! �<module> s
💾 保存文件
← 返回文件管理器