관리-도구
편집 파일: dsa.cpython-39.pyc
a �a� � @ s� d dl Z d dlZd dlmZmZ d dlmZmZmZ G dd� de j d�Z e Z G dd� de j d�Z e ZG d d � d e j d�ZeZG d d � d e�ZG d d� de�ZG dd� de�Zd eeje d�dd�Zd eeje d�dd�Zedd�dd�Zedd�dd�ZdS ) � N)�_serialization�hashes)�AsymmetricSignatureContext� AsymmetricVerificationContext�utilsc @ s4 e Zd Zejdd�dd��Zejdd�dd��ZdS ) � DSAParameters� DSAPrivateKey��returnc C s dS )z8 Generates and returns a DSAPrivateKey. N� ��selfr r �S/usr/lib64/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py�generate_private_key s z"DSAParameters.generate_private_key�DSAParameterNumbersc C s dS )z0 Returns a DSAParameterNumbers. Nr r r r r �parameter_numbers s z DSAParameters.parameter_numbersN)�__name__� __module__� __qualname__�abc�abstractmethodr r r r r r r s r )� metaclassc @ s� e Zd Zejed�dd��Zejdd�dd��Zeje d�dd��Z eje j e d �d d ��Zejeejeje j f ed �d d��Zejdd�dd��Zejejejejed�dd��ZdS )r r c C s dS �z6 The bit length of the prime modulus. Nr r r r r �key_size# s zDSAPrivateKey.key_size� DSAPublicKeyc C s dS )zD The DSAPublicKey associated with this private key. Nr r r r r � public_key) s zDSAPrivateKey.public_keyc C s dS )zL The DSAParameters object associated with this private key. Nr r r r r � parameters/ s zDSAPrivateKey.parameters)�signature_algorithmr c C s dS )zN Returns an AsymmetricSignatureContext used for signing data. Nr )r r r r r �signer5 s zDSAPrivateKey.signer)�data� algorithmr c C s dS )z Signs the data Nr )r r r r r r �sign> s zDSAPrivateKey.sign�DSAPrivateNumbersc C s dS )z. Returns a DSAPrivateNumbers. Nr r r r r �private_numbersH s z DSAPrivateKey.private_numbers)�encoding�format�encryption_algorithmr c C s dS �z6 Returns the key serialized as bytes. Nr )r r$ r% r& r r r � private_bytesN s zDSAPrivateKey.private_bytesN)r r r r �abstractproperty�intr r r r r r � HashAlgorithmr r �bytes�typing�Union� asym_utils� Prehashedr! r# r �EncodingZ PrivateFormatZKeySerializationEncryptionr( r r r r r " s. �� �r c @ s� e Zd Zejed�dd��Zejed�dd��Z eje e j e d�dd��Zejd d�d d ��Zejejeje d �d d��Zeje e ejeje j f dd�dd��ZdS )r r c C s dS r r r r r r r ^ s zDSAPublicKey.key_sizec C s dS )zK The DSAParameters object associated with this public key. Nr r r r r r d s zDSAPublicKey.parameters)� signaturer r c C s dS )zQ Returns an AsymmetricVerificationContext used for signing data. Nr )r r2 r r r r �verifierj s zDSAPublicKey.verifier�DSAPublicNumbersc C s dS )z- Returns a DSAPublicNumbers. Nr r r r r �public_numberst s zDSAPublicKey.public_numbers)r$ r% r c C s dS r' r )r r$ r% r r r � public_bytesz s zDSAPublicKey.public_bytesN)r2 r r r c C s dS )z5 Verifies the signature of the data. Nr )r r2 r r r r r �verify� s zDSAPublicKey.verify)r r r r r) r* r r r r r, r r+ r r3 r5 r r1 Z PublicFormatr6 r- r. r/ r0 r7 r r r r r ] s, � � �r c @ sn e Zd Zeeed�dd�Zedd� �Zedd� �Zedd� �Zde j e d �d d �Z d d � Z dd� Zdd� ZdS )r )�p�q�gc C s< t |t�r t |t�r t |t�s&td��|| _|| _|| _d S )Nz;DSAParameterNumbers p, q, and g arguments must be integers.)� isinstancer* � TypeError�_p�_q�_g)r r8 r9 r: r r r �__init__� s ����z DSAParameterNumbers.__init__c C s | j S �N)r= r r r r �<lambda>� � z DSAParameterNumbers.<lambda>c C s | j S rA )r> r r r r rB � rC c C s | j S rA )r? r r r r rB � rC N��backendr c C s ddl m} |�| �S �Nr )rE )�,cryptography.hazmat.backends.openssl.backendrE Zload_dsa_parameter_numbers�r rE �osslr r r r � s z DSAParameterNumbers.parametersc C s2 t |t�stS | j|jko0| j|jko0| j|jkS rA )r; r �NotImplementedr8 r9 r: �r �otherr r r �__eq__� s zDSAParameterNumbers.__eq__c C s | |k S rA r rK r r r �__ne__� s zDSAParameterNumbers.__ne__c C s dj | d�S )Nz9<DSAParameterNumbers(p={self.p}, q={self.q}, g={self.g})>r �r% r r r r �__repr__� s ��z DSAParameterNumbers.__repr__)N)r r r r* r@ �propertyr8 r9 r: r- �Anyr r rM rN rP r r r r r � s r c @ s` e Zd Zeed�dd�Zedd� �Zedd� �Zde j e d�d d �Z d d � Z d d� Zdd� ZdS )r4 )�yr c C s4 t |t�std��t |t�s$td��|| _|| _d S )Nz/DSAPublicNumbers y argument must be an integer.z9parameter_numbers must be a DSAParameterNumbers instance.)r; r* r< r �_y�_parameter_numbers)r rS r r r r r@ � s �zDSAPublicNumbers.__init__c C s | j S rA )rT r r r r rB � rC zDSAPublicNumbers.<lambda>c C s | j S rA )rU r r r r rB � rC NrD c C s ddl m} |�| �S rF )rG rE Zload_dsa_public_numbersrH r r r r � s zDSAPublicNumbers.public_keyc C s& t |t�stS | j|jko$| j|jkS rA )r; r4 rJ rS r rK r r r rM � s �zDSAPublicNumbers.__eq__c C s | |k S rA r rK r r r rN � s zDSAPublicNumbers.__ne__c C s dj | d�S )NzJ<DSAPublicNumbers(y={self.y}, parameter_numbers={self.parameter_numbers})>r rO r r r r rP � s ��zDSAPublicNumbers.__repr__)N)r r r r* r r@ rQ rS r r- rR r r rM rN rP r r r r r4 � s r4 c @ sX e Zd Zeed�dd�Zedd� �Zedd� �Zde j e d�d d �Z d d � Z d d� ZdS )r" )�xr5 c C s4 t |t�std��t |t�s$td��|| _|| _d S )Nz0DSAPrivateNumbers x argument must be an integer.z3public_numbers must be a DSAPublicNumbers instance.)r; r* r< r4 �_public_numbers�_x)r rV r5 r r r r@ � s �zDSAPrivateNumbers.__init__c C s | j S rA )rX r r r r rB � rC zDSAPrivateNumbers.<lambda>c C s | j S rA )rW r r r r rB � rC NrD c C s ddl m} |�| �S rF )rG rE Zload_dsa_private_numbersrH r r r � private_key� s z DSAPrivateNumbers.private_keyc C s& t |t�stS | j|jko$| j|jkS rA )r; r" rJ rV r5 rK r r r rM � s �zDSAPrivateNumbers.__eq__c C s | |k S rA r rK r r r rN s zDSAPrivateNumbers.__ne__)N)r r r r* r4 r@ rQ rV r5 r- rR r rY rM rN r r r r r" � s r" )r rE r c C s ddl m} |�| �S rF )rG rE Zgenerate_dsa_parameters�r rE rI r r r �generate_parameters s r[ c C s ddl m} |�| �S rF )rG rE Z'generate_dsa_private_key_and_parametersrZ r r r r s r )r r c C sR | j �� dvrtd��| j�� dvr,td��d| j k rD| j k sNn td��d S )N)i i i i z5p must be exactly 1024, 2048, 3072, or 4096 bits long)� �� � z,q must be exactly 160, 224, or 256 bits long� z g, p don't satisfy 1 < g < p.)r8 � bit_length� ValueErrorr9 r: )r r r r �_check_dsa_parameters s �rb )�numbersr c C sT | j j}t|� | jdks&| j|jkr.td��| j jt|j| j|j �krPtd��d S )Nr zx must be > 0 and < q.z y must be equal to (g ** x % p).) r5 r rb rV r9 ra rS �powr: r8 )rc r r r r �_check_dsa_private_numbers% s re )N)N)r r- Z cryptography.hazmat.primitivesr r Z)cryptography.hazmat.primitives.asymmetricr r r r/ �ABCMetar ZDSAParametersWithNumbersr Z DSAPrivateKeyWithSerializationr Z DSAPublicKeyWithSerialization�objectr r4 r" r* rR r[ r rb re r r r r �<module> s0 83**# �� ��