관리-도구
편집 파일: dh.cpython-36.pyc
3 l�_ � @ s� d dl mZmZmZ d dlZd dlZd dlmZ d dlm Z ddd�Z G dd� de �Z G d d � d e �Z G d d � d e �Zejej�G d d� de ��ZeZejej�G dd� de ��Zejej�G dd� de��Zejej�G dd� de ��ZeZdS )� )�absolute_import�division�print_functionN)�utils)� _get_backendc C s t |�}|j| |�S )N)r Zgenerate_dh_parameters)� generator�key_size�backend� r �/usr/lib64/python3.6/dh.py�generate_parameters s r c @ sB e Zd Zdd� Zdd� Zdd� Zd dd �Zejd �Z ejd �Z dS ) �DHPrivateNumbersc C s6 t |tj�std��t |t�s&td��|| _|| _d S )Nzx must be an integer.z6public_numbers must be an instance of DHPublicNumbers.)� isinstance�six� integer_types� TypeError�DHPublicNumbers�_x�_public_numbers)�self�x�public_numbersr r r �__init__ s zDHPrivateNumbers.__init__c C s& t |t�stS | j|jko$| j|jkS )N)r r �NotImplementedr r )r �otherr r r �__eq__! s zDHPrivateNumbers.__eq__c C s | |k S )Nr )r r r r r �__ne__* s zDHPrivateNumbers.__ne__Nc C s t |�}|j| �S )N)r Zload_dh_private_numbers)r r r r r � private_key- s z DHPrivateNumbers.private_keyr r )N) �__name__� __module__� __qualname__r r r r r �read_only_propertyr r r r r r r s r c @ sB e Zd Zdd� Zdd� Zdd� Zd dd �Zejd �Z ejd �Z dS ) r c C s6 t |tj�std��t |t�s&td��|| _|| _d S )Nzy must be an integer.z5parameters must be an instance of DHParameterNumbers.)r r r r �DHParameterNumbers�_y�_parameter_numbers)r �y�parameter_numbersr r r r 6 s zDHPublicNumbers.__init__c C s& t |t�stS | j|jko$| j|jkS )N)r r r r# r$ )r r r r r r B s zDHPublicNumbers.__eq__c C s | |k S )Nr )r r r r r r K s zDHPublicNumbers.__ne__Nc C s t |�}|j| �S )N)r Zload_dh_public_numbers)r r r r r � public_keyN s zDHPublicNumbers.public_keyr# r$ )N) r r r r r r r' r r! r% r& r r r r r 5 s r c @ sN e Zd Zd dd�Zdd� Zdd� Zddd �Zejd �Z ejd �Z ejd �Z dS )r" Nc C sh t |tj� s t |tj� r$td��|d k rBt |tj� rBtd��|dk rRtd��|| _|| _|| _d S )Nzp and g must be integerszq must be integer or None� z!DH generator must be 2 or greater)r r r r � ValueError�_p�_g�_q)r �p�g�qr r r r W s zDHParameterNumbers.__init__c C s2 t |t�stS | j|jko0| j|jko0| j|jkS )N)r r" r r* r+ r, )r r r r r r f s zDHParameterNumbers.__eq__c C s | |k S )Nr )r r r r r r n s zDHParameterNumbers.__ne__c C s t |�}|j| �S )N)r Zload_dh_parameter_numbers)r r r r r � parametersq s z DHParameterNumbers.parametersr* r+ r, )N)N) r r r r r r r0 r r! r- r. r/ r r r r r" V s r" c @ s6 e Zd Zejdd� �Zejdd� �Zejdd� �ZdS )� DHParametersc C s dS )z7 Generates and returns a DHPrivateKey. Nr )r r r r �generate_private_key| s z!DHParameters.generate_private_keyc C s dS )z= Returns the parameters serialized as bytes. Nr )r �encoding�formatr r r �parameter_bytes� s z DHParameters.parameter_bytesc C s dS )z/ Returns a DHParameterNumbers. Nr )r r r r r& � s z DHParameters.parameter_numbersN)r r r �abc�abstractmethodr2 r5 r& r r r r r1 z s r1 c @ sD e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Z d S ) � DHPrivateKeyc C s dS )z6 The bit length of the prime modulus. Nr )r r r r r � s zDHPrivateKey.key_sizec C s dS )zC The DHPublicKey associated with this private key. Nr )r r r r r' � s zDHPrivateKey.public_keyc C s dS )zK The DHParameters object associated with this private key. Nr )r r r r r0 � s zDHPrivateKey.parametersc C s dS )zn Given peer's DHPublicKey, carry out the key exchange and return shared key as bytes. Nr )r Zpeer_public_keyr r r �exchange� s zDHPrivateKey.exchangeN) r r r r6 �abstractpropertyr r7 r' r0 r9 r r r r r8 � s r8 c @ s( e Zd Zejdd� �Zejdd� �ZdS )� DHPrivateKeyWithSerializationc C s dS )z- Returns a DHPrivateNumbers. Nr )r r r r �private_numbers� s z-DHPrivateKeyWithSerialization.private_numbersc C s dS )z6 Returns the key serialized as bytes. Nr )r r3 r4 Zencryption_algorithmr r r � private_bytes� s z+DHPrivateKeyWithSerialization.private_bytesN)r r r r6 r7 r< r= r r r r r; � s r; c @ sD e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Z d S ) � DHPublicKeyc C s dS )z6 The bit length of the prime modulus. Nr )r r r r r � s zDHPublicKey.key_sizec C s dS )zJ The DHParameters object associated with this public key. Nr )r r r r r0 � s zDHPublicKey.parametersc C s dS )z, Returns a DHPublicNumbers. Nr )r r r r r � s zDHPublicKey.public_numbersc C s dS )z6 Returns the key serialized as bytes. Nr )r r3 r4 r r r � public_bytes� s zDHPublicKey.public_bytesN) r r r r6 r: r r7 r0 r r? r r r r r> � s r> )N)Z __future__r r r r6 r Z cryptographyr Z cryptography.hazmat.backendsr r �objectr r r" Z add_metaclass�ABCMetar1 Z DHParametersWithSerializationr8 r; r> Z DHPublicKeyWithSerializationr r r r �<module> s$ !!$