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a �a�: � & @ s4 U d dl Z d dlZd dlZd dlmZ d dlmZ d dlmZm Z d dl m Z m Z mZ G dd� de�ZG dd � d e jd �ZG d d � d e jd �ZG d d� de jd �ZeZG dd� de jd �ZeZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd � d e�Z G d d � d e�Z G d d � d e�Z G d!d"� d"e�Z G d#d$� d$e�Z G d%d&� d&e�Z!G d'd(� d(e�Z"G d)d*� d*e�Z#G d+d,� d,e�Z$G d-d.� d.e�Z%G d/d0� d0e�Z&G d1d2� d2e�Z'G d3d4� d4e�Z(G d5d6� d6e�Z)e&e#e&e%e#e"e!e$e e e e e eeeeee'e(e)d7�Z*ej+e,ej-e f e.d8< G d9d:� d:e�Z/dJeej0ed;�d<d=�Z1dKe2eej0ed>�d?d@�Z3G dAdB� dBe�Z4G dCdD� dDe�Z5G dEdF� dFe�Z6ej&e&ej%e%ej$e$ej#e#ej"e"ej!e!ej7e'ej8e(ej9e)ej e ejeej e ejeej e ejeej e ejeej e ejeiZ:eej-e dG�dHdI�Z;dS )L� N)�utils)�ObjectIdentifier)�_serialization�hashes)�AsymmetricSignatureContext� AsymmetricVerificationContextr c @ s� e Zd Zed�Zed�Zed�Zed�Zed�Zed�Z ed�Z ed�Z ed �Z ed �Z ed �Zed �Zed �Zed�Zed�Zed�Zed�Zed�Zed�ZdS )�EllipticCurveOIDz1.2.840.10045.3.1.1z 1.3.132.0.33z 1.3.132.0.10z1.2.840.10045.3.1.7z 1.3.132.0.34z 1.3.132.0.35z1.3.36.3.3.2.8.1.1.7z1.3.36.3.3.2.8.1.1.11z1.3.36.3.3.2.8.1.1.13z 1.3.132.0.1z 1.3.132.0.15z 1.3.132.0.26z 1.3.132.0.27z 1.3.132.0.16z 1.3.132.0.17z 1.3.132.0.36z 1.3.132.0.37z 1.3.132.0.38z 1.3.132.0.39N)�__name__� __module__� __qualname__r � SECP192R1� SECP224R1� SECP256K1� SECP256R1� SECP384R1� SECP521R1�BRAINPOOLP256R1�BRAINPOOLP384R1�BRAINPOOLP512R1� SECT163K1� SECT163R2� SECT233K1� SECT233R1� SECT283K1� SECT283R1� SECT409K1� SECT409R1� SECT571K1� SECT571R1� r r �R/usr/lib64/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/ec.pyr s& r c @ s4 e Zd Zejed�dd��Zejed�dd��ZdS )� EllipticCurve��returnc C s dS )z8 The name of the curve. e.g. secp256r1. Nr ��selfr r r �name+ s zEllipticCurve.namec C s dS �z< Bit size of a secret scalar for the curve. Nr r$ r r r �key_size1 s zEllipticCurve.key_sizeN) r r r �abc�abstractproperty�strr& �intr( r r r r r! * s r! )� metaclassc @ s. e Zd Zejejeje j f d�dd��Z dS )� EllipticCurveSignatureAlgorithmr" c C s dS )z@ The digest algorithm used with this signature. Nr r$ r r r � algorithm9 s z)EllipticCurveSignatureAlgorithm.algorithmN) r r r r) r* �typing�Union� asym_utils� Prehashedr � HashAlgorithmr/ r r r r r. 8 s �r. c @ s� e Zd Zejeed�dd��Zejdded�dd��Z ejdd �d d ��Z ej e d �d d ��Z ej ed �dd��Zejeeed�dd��Zejdd �dd��Zejejejejed�dd��ZdS )�EllipticCurvePrivateKey)�signature_algorithmr# c C s dS )zN Returns an AsymmetricSignatureContext used for signing data. Nr )r% r6 r r r �signerC s z EllipticCurvePrivateKey.signer�ECDH�EllipticCurvePublicKey)r/ �peer_public_keyr# c C s dS )z} Performs a key exchange operation using the provided algorithm with the provided peer's public key. Nr )r% r/ r: r r r �exchangeL s z EllipticCurvePrivateKey.exchanger" c C s dS )zB The EllipticCurvePublicKey for this private key. Nr r$ r r r � public_keyU s z"EllipticCurvePrivateKey.public_keyc C s dS �z8 The EllipticCurve that this key is on. Nr r$ r r r �curve[ s z EllipticCurvePrivateKey.curvec C s dS r' r r$ r r r r( a s z EllipticCurvePrivateKey.key_size)�datar6 r# c C s dS )z Signs the data Nr )r% r? r6 r r r �signg s z EllipticCurvePrivateKey.sign�EllipticCurvePrivateNumbersc C s dS )z9 Returns an EllipticCurvePrivateNumbers. Nr r$ r r r �private_numbersq s z'EllipticCurvePrivateKey.private_numbers)�encoding�format�encryption_algorithmr# c C s dS �z6 Returns the key serialized as bytes. Nr )r% rC rD rE r r r � private_bytesw s z%EllipticCurvePrivateKey.private_bytesN)r r r r) �abstractmethodr. r r7 �bytesr; r< r* r! r> r, r( r@ rB r �EncodingZ PrivateFormatZKeySerializationEncryptionrG r r r r r5 B s6 ��� �r5 c @ s� e Zd Zejeeed�dd��Zej e d�dd��Z ej e d�dd��Z ejd d�d d ��Zejejejed �d d��Zejeeedd�dd��Zee ed d�dd��ZdS )r9 )� signaturer6 r# c C s dS )zQ Returns an AsymmetricVerificationContext used for signing data. Nr )r% rK r6 r r r �verifier� s z EllipticCurvePublicKey.verifierr" c C s dS r= r r$ r r r r> � s z EllipticCurvePublicKey.curvec C s dS r' r r$ r r r r( � s z EllipticCurvePublicKey.key_size�EllipticCurvePublicNumbersc C s dS )z8 Returns an EllipticCurvePublicNumbers. Nr r$ r r r �public_numbers� s z%EllipticCurvePublicKey.public_numbers)rC rD r# c C s dS rF r )r% rC rD r r r � public_bytes� s z#EllipticCurvePublicKey.public_bytesN)rK r? r6 r# c C s dS )z5 Verifies the signature of the data. Nr )r% rK r? r6 r r r �verify� s z EllipticCurvePublicKey.verify�r> r? r# c C s^ t �d|� t|t�s td��t|�dkr2td��|d dvrFtd��ddlm} |� ||�S )Nr? �'curve must be an EllipticCurve instancer z%data must not be an empty byte string)� � � �%Unsupported elliptic curve point type��backend) r � _check_bytes� isinstancer! � TypeError�len� ValueError�,cryptography.hazmat.backends.openssl.backendrX Z load_elliptic_curve_public_bytes)�clsr> r? rX r r r �from_encoded_point� s z)EllipticCurvePublicKey.from_encoded_point)r r r r) rH rI r. r rL r* r! r> r, r( rN r rJ Z PublicFormatrO rP � classmethodr` r r r r r9 � s4 � � � �r9 c @ s e Zd ZdZdZdS )r � sect571r1i: N�r r r r& r( r r r r r � s r c @ s e Zd ZdZdZdS )r � sect409r1� Nrc r r r r r � s r c @ s e Zd ZdZdZdS )r � sect283r1� Nrc r r r r r � s r c @ s e Zd ZdZdZdS )r � sect233r1�� Nrc r r r r r � s r c @ s e Zd ZdZdZdS )r � sect163r2� Nrc r r r r r � s r c @ s e Zd ZdZdZdS )r � sect571k1i; Nrc r r r r r � s r c @ s e Zd ZdZdZdS )r � sect409k1re Nrc r r r r r � s r c @ s e Zd ZdZdZdS )r � sect283k1rg Nrc r r r r r � s r c @ s e Zd ZdZdZdS )r � sect233k1ri Nrc r r r r r � s r c @ s e Zd ZdZdZdS )r � sect163k1rk Nrc r r r r r � s r c @ s e Zd ZdZdZdS )r � secp521r1i Nrc r r r r r s r c @ s e Zd ZdZdZdS )r � secp384r1� Nrc r r r r r s r c @ s e Zd ZdZdZdS )r � secp256r1� Nrc r r r r r s r c @ s e Zd ZdZdZdS )r � secp256k1ru Nrc r r r r r s r c @ s e Zd ZdZdZdS )r � secp224r1�� Nrc r r r r r s r c @ s e Zd ZdZdZdS )r � secp192r1� Nrc r r r r r s r c @ s e Zd ZdZdZdS )�BrainpoolP256R1�brainpoolP256r1ru Nrc r r r r r{ s r{ c @ s e Zd ZdZdZdS )�BrainpoolP384R1�brainpoolP384r1rs Nrc r r r r r} $ s r} c @ s e Zd ZdZdZdS )�BrainpoolP512R1�brainpoolP512r1i Nrc r r r r r ) s r )Z prime192v1Z prime256v1ry rw rt rr rq rv rp ro rn rm rl rj rh rf rd rb r| r~ r� � _CURVE_TYPESc @ sH e Zd Zejejejf d�dd�Z e ejejejf d�dd��Z dS )�ECDSA)r/ c C s || _ d S �N�Z _algorithm)r% r/ r r r �__init__H s zECDSA.__init__r" c C s | j S r� r� r$ r r r r/ N s zECDSA.algorithmN) r r r r0 r1 r2 r3 r r4 r� �propertyr/ r r r r r� G s � �r� )r> rX r# c C s ddl m} |�| �S �Nr rW )r^ rX Z#generate_elliptic_curve_private_key)r> rX �osslr r r �generate_private_keyU s r� )� private_valuer> rX r# c C sL ddl m} t| t�s td��| dkr.td��t|t�s@td��|�| |�S )Nr rW z&private_value must be an integer type.z)private_value must be a positive integer.�/curve must provide the EllipticCurve interface.)r^ rX rZ r, r[ r] r! Z!derive_elliptic_curve_private_key)r� r> rX r� r r r �derive_private_key] s r� c @ s� e Zd Zeeed�dd�Zdejed�dd�Z e d�d d �Z e ee d d �d d ��Z edd� �Zedd� �Zedd� �Zdd� Zdd� Zdd� Zdd� ZdS )rM )�x�yr> c C sD t |t�rt |t�s td��t |t�s.td��|| _|| _|| _d S )Nzx and y must be integers.r� )rZ r, r[ r! �_y�_x�_curve)r% r� r� r> r r r r� q s z#EllipticCurvePublicNumbers.__init__N�rX r# c C s ddl m} |�| �S r� )r^ rX Z"load_elliptic_curve_public_numbers�r% rX r� r r r r< | s z%EllipticCurvePublicNumbers.public_keyr" c C sB t jdtjdd� | jjd d }dt�| j|� t�| j|� S )Nz�encode_point has been deprecated on EllipticCurvePublicNumbers and will be removed in a future version. Please use EllipticCurvePublicKey.public_bytes to obtain both compressed and uncompressed point encoding.rS �� stacklevel� � � ) �warnings�warnr �PersistentlyDeprecated2019r> r( Z int_to_bytesr� r� )r% � byte_lengthr r r � encode_point� s � � ��z'EllipticCurvePublicNumbers.encode_pointrQ c C s� t |t�std��tjdtjdd� |�d�r�|jd d }t |�d| d kr�t � |d|d � d �}t � ||d d � d �}| |||�S t d ��nt d ��d S ) NrR z�Support for unsafe construction of public numbers from encoded data will be removed in a future version. Please use EllipticCurvePublicKey.from_encoded_pointrS r� r� r� r� � �bigz(Invalid elliptic curve point data lengthrV ) rZ r! r[ r� r� r r� � startswithr( r\ r, � from_bytesr] )r_ r> r? r� r� r� r r r r` � s � z-EllipticCurvePublicNumbers.from_encoded_pointc C s | j S r� )r� r$ r r r �<lambda>� � z#EllipticCurvePublicNumbers.<lambda>c C s | j S r� )r� r$ r r r r� � r� c C s | j S r� )r� r$ r r r r� � r� c C sF t |t�stS | j|jkoD| j|jkoD| jj|jjkoD| jj|jjkS r� )rZ rM �NotImplementedr� r� r> r& r( �r% �otherr r r �__eq__� s ���z!EllipticCurvePublicNumbers.__eq__c C s | |k S r� r r� r r r �__ne__� s z!EllipticCurvePublicNumbers.__ne__c C s t | j| j| jj| jjf�S r� )�hashr� r� r> r& r( r$ r r r �__hash__� s z#EllipticCurvePublicNumbers.__hash__c C s d� | �S )NzC<EllipticCurvePublicNumbers(curve={0.curve.name}, x={0.x}, y={0.y}>)rD r$ r r r �__repr__� s ��z#EllipticCurvePublicNumbers.__repr__)N)r r r r, r! r� r0 �Anyr9 r< rI r� ra r` r� r> r� r� r� r� r� r� r r r r rM p s � rM c @ s` e Zd Zeed�dd�Zdejed�dd�Z e dd � �Z e d d � �Z d d � Z d d� Zdd� ZdS )rA )r� rN c C s4 t |t�std��t |t�s$td��|| _|| _d S )Nz!private_value must be an integer.z>public_numbers must be an EllipticCurvePublicNumbers instance.)rZ r, r[ rM �_private_value�_public_numbers)r% r� rN r r r r� � s �z$EllipticCurvePrivateNumbers.__init__Nr� c C s ddl m} |�| �S r� )r^ rX Z#load_elliptic_curve_private_numbersr� r r r � private_key� s z'EllipticCurvePrivateNumbers.private_keyc C s | j S r� )r� r$ r r r r� � r� z$EllipticCurvePrivateNumbers.<lambda>c C s | j S r� )r� r$ r r r r� � r� c C s& t |t�stS | j|jko$| j|jkS r� )rZ rA r� r� rN r� r r r r� � s �z"EllipticCurvePrivateNumbers.__eq__c C s | |k S r� r r� r r r r� � s z"EllipticCurvePrivateNumbers.__ne__c C s t | j| jf�S r� )r� r� rN r$ r r r r� � s z$EllipticCurvePrivateNumbers.__hash__)N)r r r r, rM r� r0 r� r5 r� r� r� rN r� r� r� r r r r rA � s � �� rA c @ s e Zd ZdS )r8 N)r r r r r r r r8 � s r8 )�oidr# c C s* z t | W S ty$ td��Y n0 d S )NzCThe provided object identifier has no matching elliptic curve class)� _OID_TO_CURVE�KeyError� LookupError)r� r r r �get_curve_for_oid s �r� )N)N)<r) r0 r� Z cryptographyr Zcryptography.hazmat._oidr Z cryptography.hazmat.primitivesr r Z)cryptography.hazmat.primitives.asymmetricr r r2 �objectr �ABCMetar! r. r5 Z(EllipticCurvePrivateKeyWithSerializationr9 Z'EllipticCurvePublicKeyWithSerializationr r r r r r r r r r r r r r r r r{ r} r r� �Dictr+ �Type�__annotations__r� r� r� r, r� rM rA r8 r r r r� r� r r r r �<module> s� AF� �� �� [,�
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