File: //usr/local/lib/python3.9/site-packages/celery/security/__pycache__/key.cpython-39.pyc
a
X>h� � @ sZ d Z ddlmZ ddlmZ ddlmZmZ ddlm Z ddl
m Z dZ G d d
� d
�Z
d S ) z)Private keys for the security serializer.� )�default_backend)�
serialization)�padding�rsa)� ensure_bytes� )�reraise_errors)�
PrivateKeyc @ s" e Zd ZdZddd�Zdd� ZdS )r zRepresents a private key.Nc C sd t dtfd��B tjt|�t|�t� d�| _t| jtj �sBtd��W d � n1 sV0 Y d S )NzInvalid private key: {0!r})�errors)�password�backendz Non-RSA keys are not supported.)
r �
ValueErrorr Zload_pem_private_keyr r �_key�
isinstancer Z
RSAPrivateKey)�self�keyr � r �=/usr/local/lib/python3.9/site-packages/celery/security/key.py�__init__ s ��zPrivateKey.__init__c C sX t d��< tjt�|�tjjd�}| j�t|�||�W d � S 1 sJ0 Y dS )z Sign string containing data.zUnable to sign data: {0!r})ZmgfZ salt_lengthN)r r ZPSSZMGF1Z
MAX_LENGTHr �signr )r �data�digest�padr r r r s
�zPrivateKey.sign)N)�__name__�
__module__� __qualname__�__doc__r r r r r r r s
r N)r Z cryptography.hazmat.backendsr Z cryptography.hazmat.primitivesr Z)cryptography.hazmat.primitives.asymmetricr r Zkombu.utils.encodingr �utilsr �__all__r r r r r �<module> s