0x1998 - MANAGER
Düzenlenen Dosya: x963kdf.cpython-311.pyc
� ��i� � �v � d dl mZ d dlZd dlmZ d dlmZmZ d dlm Z m Z d dl m Z dd �Z G d � d e � � ZdS )� )� annotationsN)�utils)�AlreadyFinalized� InvalidKey)� constant_time�hashes)�KeyDerivationFunction�n�int�return�bytesc �0 � | � dd�� � S )N� �big)�length� byteorder)�to_bytes)r s ��/builddir/build/BUILD/imunify360-venv-2.6.1/opt/imunify360/venv/lib64/python3.11/site-packages/cryptography/hazmat/primitives/kdf/x963kdf.py� _int_to_u32ber s � � �:�:�Q�%�:� 0� 0�0� c �* � e Zd Z ddd �Zdd�Zdd�ZdS )�X963KDFN� algorithm�hashes.HashAlgorithmr r � sharedinfo� bytes | None�backend� typing.Anyc � � |j dz }||k rt d|� d�� � �|�t j d|� � || _ || _ || _ d| _ d S )Nl �� z Cannot derive keys larger than z bits.r F)� digest_size� ValueErrorr � _check_bytes� _algorithm�_length� _sharedinfo�_used)�selfr r r r �max_lens r �__init__zX963KDF.__init__ sp � � �'�9�5�� �G� � � � N�w� N� N� N�O�O� O� � !� � �|�Z� 8� 8� 8�#��� �� �%����� � � r � key_materialr r c �> � | j rt �d| _ t j d|� � dg}d}d}| j |k r�t j | j � � }|� |� � |� t |� � � � | j �|� | j � � |� |� � � � � |t |d � � z }|dz }| j |k ��d� |� � d | j � S )NTr* r r � ���)r& r r �_check_bytesliker$ r �Hashr# �updater r% �append�finalize�len�join)r' r* �output�outlen�counter�hs r �derivezX963KDF.derive& s � � �:� #�"� "��� � � �~�|�<�<�<���������l�V�#�#�� �D�O�,�,�A� �H�H�\� "� "� "� �H�H�]�7�+�+� ,� ,� ,�� �+�����)�*�*�*� �M�M�!�*�*�,�,� '� '� '� �c�&��*�o�o� %�F� �q�L�G� �l�V�#�#� �x�x�� � ��$�,��/�/r � expected_key�Nonec �d � t j | � |� � |� � st �d S �N)r �bytes_eqr9 r )r' r* r: s r �verifyzX963KDF.verify; s3 � � �%�d�k�k�,�&?�&?� �N�N� � � � � r r= )r r r r r r r r )r* r r r )r* r r: r r r; )�__name__� __module__� __qualname__r) r9 r? � r r r r sZ � � � � � � #� � � � � �$0� 0� 0� 0�* � � � � � r r )r r r r )� __future__r �typing� cryptographyr �cryptography.exceptionsr r � cryptography.hazmat.primitivesr r �"cryptography.hazmat.primitives.kdfr r r rC r r �<module>rJ s� �� #� "� "� "� "� "� � � � � � � � � � � @� @� @� @� @� @� @� @� @� @� @� @� @� @� @� @� D� D� D� D� D� D�1� 1� 1� 1�* � * � * � * � * �#� * � * � * � * � * r
geri dön