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d d e Z dS ) z,Caching SHA2 Password Authentication Plugin.é N)Úsha256)ÚOptionalé )ÚInterfaceErroré )ÚBaseAuthPluginÚ"MySQLCachingSHA2PasswordAuthPluginc sx e Zd ZU dZdZeed< dZeed< dZ e
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ddZ ZS )r zÕClass implementing the MySQL caching_sha2_password authentication plugin
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Note that encrypting using RSA is not supported since the Python
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Standard Library does not provide this OpenSSL functionality.
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FÚ requires_sslZcaching_sha2_passwordÚ plugin_nameé Úperform_full_authenticationé Úfast_auth_success)Úreturnc C s | j std| jsdS t| jtr0| j d¡n| j}| j }t| ¡ }t }| t| ¡ ¡ | |¡ | ¡ }dd t ||D }t
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j d| }|S )z¹Return a scramble of the password using a Nonce sent by the
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server.
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The scramble is of the form:
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XOR(SHA2(password), SHA2(SHA2(SHA2(password)), Nonce))
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z"Missing authentication data (seed)ó zutf-8c S s g | ]\}}||A qS © r )Ú.0Úh1Úh2r r údd:\z\workplace\vscode\pyvenv\venv\Lib\site-packages\mysql/connector/plugins/caching_sha2_password.pyÚ
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<listcomp>O s z@MySQLCachingSHA2PasswordAuthPlugin._scramble.<locals>.<listcomp>Ú32B)r ) Ú
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_auth_datar Z _passwordÚ
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isinstanceÚstrÚencoder ÚdigestÚupdateÚzipÚstructÚpack)ÚselfÚpasswordZ auth_dataZhash1Zhash2Z hash2_digestZxoredZhash3r r r Ú _scramble6 s"
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z,MySQLCachingSHA2PasswordAuthPlugin._scramblec s | j st| j dt ¡ S )z!Returns password as as clear textz requires SSL)Z _ssl_enabledr r
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ÚsuperÚprepare_password©r! ©Ú __class__r r Ú_full_authenticationS s z7MySQLCachingSHA2PasswordAuthPlugin._full_authenticationc C s< | j s
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dS t| j dkr | ¡ S | j d | jkr8| ¡ S dS )z]Prepare and return password.
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Returns:
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bytes: Prepared password.
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Nr r )r Úlenr# r r) r& r r r r% Y s z3MySQLCachingSHA2PasswordAuthPlugin.prepare_password)Ú__name__Ú
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__module__Ú __qualname__Ú__doc__r ÚboolÚ__annotations__r
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) r. r Úhashlibr Útypingr Úerrorsr Ú r ZAUTHENTICATION_PLUGIN_CLASSr r r r r Ú<module> s
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