관리-도구
편집 파일: padding.cpython-36.opt-1.pyc
3 l�_� � @ s� d dl mZmZmZ d dlZd dlZd dlmZ d dlm Z d dl m Z ej ej �G dd� de��Zeje�G dd � d e��Zeje�G d d � d e��Zeje�G d d � d e��ZG dd� de�Zdd� ZdS )� )�absolute_import�division�print_functionN)�utils)�hashes)�rsac @ s e Zd Zejdd� �ZdS )�AsymmetricPaddingc C s dS )zE A string naming this padding (e.g. "PSS", "PKCS1"). N� )�selfr r � /usr/lib64/python3.6/padding.py�name s zAsymmetricPadding.nameN)�__name__� __module__� __qualname__�abc�abstractpropertyr r r r r r s r c @ s e Zd ZdZdS )�PKCS1v15zEMSA-PKCS1-v1_5N)r r r r r r r r r s r c @ s e Zd Ze� ZdZdd� ZdS )�PSSzEMSA-PSSc C sJ || _ t|tj� r&|| jk r&td��|| jk r@|dk r@td��|| _d S )Nz salt_length must be an integer.r z$salt_length must be zero or greater.)�_mgf� isinstance�sixZ integer_types� MAX_LENGTH� TypeError� ValueErrorZ _salt_length)r �mgf� salt_lengthr r r �__init__# s z PSS.__init__N)r r r �objectr r r r r r r r s r c @ s e Zd ZdZdd� ZdS )�OAEPzEME-OAEPc C s* t |tj�std��|| _|| _|| _d S )Nz*Expected instance of hashes.HashAlgorithm.)r r � HashAlgorithmr r � _algorithmZ_label)r r � algorithmZlabelr r r r 6 s z OAEP.__init__N)r r r r r r r r r r 2 s r c @ s e Zd Ze� Zdd� ZdS )�MGF1c C s t |tj�std��|| _d S )Nz*Expected instance of hashes.HashAlgorithm.)r r r r r )r r! r r r r B s z MGF1.__init__N)r r r r r r r r r r r" ? s r" c C s: t | tjtjf�std��| jd d }||j d }|S )Nz(key must be an RSA public or private key� � � )r r Z RSAPrivateKeyZ RSAPublicKeyr Zkey_sizeZ digest_size)�keyZhash_algorithmZemlenr r r r � calculate_max_pss_salt_lengthI s r' )Z __future__r r r r r Z cryptographyr Z cryptography.hazmat.primitivesr Z)cryptography.hazmat.primitives.asymmetricr Z add_metaclass�ABCMetar r Zregister_interfacer r r r" r' r r r r �<module> s