OwlCyberSecurity - MANAGER
Edit File: rsa.cpython-312.pyc
� ʓ�g& � �l � d dl Z d dlZd dlmZ d dlmZ d dlmZmZ d dl m Z m Z d dl m Z d dlmZ G d� d e � Z G d � d e � Z G d � d e� Z G d� de� Z G d� de� Z G d� de� Z G d� de� Z G d� de� Z G d� de� Z G d� de� Z G d � d e� Z G d � d e� Zy) � N)�default_backend)�hashes)�padding�rsa)�CryptographyPrivateKey�CryptographyPublicKey)� Algorithm)�DNSKEYc � � e Zd ZU ej ed< ej Zeed< ej ed< de de ddfd�Z de fd �Z e dedd fd �� Zy) � PublicRSA�key� algorithm� chosen_hash� signature�data�returnNc �x � | j j ||t j � | j � y )N)r �verifyr �PKCS1v15r )�selfr r s �A/opt/hc_python/lib/python3.12/site-packages/dns/dnssecalgs/rsa.pyr zPublicRSA.verify s' � � ����� �4��)9�)9�);�T�=M�=M�N� c �X � | j j � }t j t j |j � dz � }t j |j |d�� }|dkD rdt j d|� z }nt j d|� }|j j � dk s |j j � d kD r t d � �||z |j j |j j � d z dz d� z S ) z,Encode a public key per RFC 3110, section 2.� �big)�length� byteorder� � �!H�!Bi i zunsupported RSA key length� ) r �public_numbers�math�ceil�int� bit_length�e�to_bytes�struct�pack�n� ValueError)r �pn�_exp_len�exp� exp_headers r �encode_key_byteszPublicRSA.encode_key_bytes s� � � �X�X� $� $� &���9�9�S�^�^�B�D�D� 1�A� 5�6���l�l�2�4�4��E�l�B�� �c�>� ����T�8�!<�<�J� ���T�8�4�J� �4�4�?�?� �s� "�b�d�d�o�o�&7�$�&>� � 9�:� :��C� �"�$�$�-�-���� � �1B�Q�1F�1�0L�e�"T�T�Tr c � � | j |� |j }t j d|dd � \ }|dd }|dk( r t j d|dd � \ }|dd }|d| }||d } | t j t j |d� t j |d� � j t � � �� S )Nr! r � r � r �r ) �!_ensure_algorithm_key_combinationr r* �unpackr �RSAPublicNumbersr& � from_bytes� public_keyr )�clsr �keyptr�bytes_�rsa_e�rsa_ns r � from_dnskeyzPublicRSA.from_dnskey# s� � � �-�-�c�2������M�M�$��q�� �4� ������� �Q�;� � � �d�F�1�Q�K�8�I�V��A�B�Z�F��q�� ���v�w�����$�$����u�e�,�c�n�n�U�E�.J���j� �*�+� � r )�__name__� __module__� __qualname__r � RSAPublicKey�__annotations__�key_clsr r � HashAlgorithm�bytesr r2 � classmethodr rA � r r r r sy � � � � ��� � �G����%�%�%�O�� O�U� O�t� O� U�%� U� � �f� �� � � r r c � � e Zd ZU ej ed< ej ZeZdZ d de de de de fd�Z e dedd fd �� Zy ) � PrivateRSAr i r r � deterministicr c �� � | j j |t j � | j j � }|r | j � j ||� |S )z1Sign using a private key per RFC 3110, section 3.)r �signr r � public_clsr r; r )r r r rN r s r rP zPrivateRSA.sign; sM � � �H�H�M�M�$��(8�(8�(:�D�O�O�<W�<W�X� � � �O�O� � $� $�Y�� 5��r �key_sizec �d � | t j | j |t � �� �� S )N)�public_exponentrR �backendr6 )r �generate_private_key�default_public_exponentr )r< rR s r �generatezPrivateRSA.generateG s/ � ���(�(� #� ;� ;�!�'�)�� � r N)FT)rB rC rD r � RSAPrivateKeyrF rG r rQ rW rI �boolrP rJ r& rX rK r r rM rM 5 sy � � � � ��� � �G��J� #�� � "� �� � � � � � � � � �� � � � � r rM c �F � e Zd Zej Z ej � Zy)� PublicRSAMD5N) rB rC rD r �RSAMD5r r �MD5r rK r r r\ r\ R s � �� � �I� �&�*�*�,�Kr r\ c � � e Zd ZeZy)� PrivateRSAMD5N)rB rC rD r\ rQ rK r r r` r` W s � � �Jr r` c �F � e Zd Zej Z ej � Zy)� PublicRSASHA1N) rB rC rD r �RSASHA1r r �SHA1r rK r r rb rb [ s � ��!�!�I� �&�+�+�-�Kr rb c � � e Zd ZeZy)�PrivateRSASHA1N)rB rC rD rb rQ rK r r rf rf ` s � � �Jr rf c �F � e Zd Zej Z ej � Zy)�PublicRSASHA1NSEC3SHA1N) rB rC rD r �RSASHA1NSEC3SHA1r r rd r rK r r rh rh d s � ��*�*�I� �&�+�+�-�Kr rh c � � e Zd ZeZy)�PrivateRSASHA1NSEC3SHA1N)rB rC rD rh rQ rK r r rk rk i s � �'�Jr rk c �F � e Zd Zej Z ej � Zy)�PublicRSASHA256N) rB rC rD r � RSASHA256r r �SHA256r rK r r rm rm m � � ��#�#�I� �&�-�-�/�Kr rm c � � e Zd ZeZy)�PrivateRSASHA256N)rB rC rD rm rQ rK r r rr rr r � � � �Jr rr c �F � e Zd Zej Z ej � Zy)�PublicRSASHA512N) rB rC rD r � RSASHA512r r �SHA512r rK r r ru ru v rp r ru c � � e Zd ZeZy)�PrivateRSASHA512N)rB rC rD ru rQ rK r r ry ry { rs r ry ) r$ r* � cryptography.hazmat.backendsr � cryptography.hazmat.primitivesr �)cryptography.hazmat.primitives.asymmetricr r �dns.dnssecalgs.cryptographyr r �dns.dnssectypesr �dns.rdtypes.ANY.DNSKEYr r rM r\ r` rb rf rh rk rm rr ru ry rK r r �<module>r� s� �� � � 8� 1� B� U� %� )�% �%� % �P �'� �: �9� � �J� � �I� � �Z� � �Y� � (�j� (�"�i� "� !�z� !�"�i� "� !�z� !r