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o ;j � @ sd d dl mZmZmZmZmZmZmZ d dlm Z d dl m Z ddl m Z G dd� de�Zdd � Zd S ) � )� VoidPointer� SmartPointer�create_string_buffer�get_raw_buffer�c_size_t� c_uint8_ptr�c_ubyte)� long_to_bytes)�bchr� )�_raw_keccak_libc @ s: e Zd ZdZdd� Zdd� Zdd� Zd d d �Zd d � ZdS )� TurboSHAKEzaA TurboSHAKE hash object. Do not instantiate directly. Use the :func:`new` function. c C sj t � }t�|�� t|�td��}|rtd| ��t|�� tj �| _ d| _ || _ || _ |r3| �|� d S d S )N� z'Error %d while instantiating TurboSHAKEF)r r Z keccak_initZ address_ofr r � ValueErrorr �getZkeccak_destroy�_state� _is_squeezing� _capacity�_domain�update)�selfZcapacity�domain_separation�data�state�result� r �Q/opt/saltstack/salt/lib/python3.10/site-packages/Cryptodome/Hash/TurboSHAKE128.py�__init__ s ���zTurboSHAKE.__init__c C sB | j rtd��t�| j�� t|�tt|���}|r t d| ��| S )z�Continue hashing of a message by consuming the next chunk of data. Args: data (byte string/byte array/memoryview): The next chunk of the message being hashed. z/You cannot call 'update' after the first 'read'z(Error %d while updating TurboSHAKE state) r � TypeErrorr Z keccak_absorbr r r r �lenr )r r r r r r r % s ��zTurboSHAKE.updatec C sF d| _ t|�}t�| j�� |t|�t| j��}|r t d| ��t |�S )ah Compute the next piece of XOF output. .. note:: You cannot use :meth:`update` anymore after the first call to :meth:`read`. Args: length (integer): the amount of bytes this method must return :return: the next piece of XOF output (of the given length) :rtype: byte string Tz)Error %d while extracting from TurboSHAKE) r r r Zkeccak_squeezer r r r r r r )r �lengthZbfrr r r r �read7 s ��zTurboSHAKE.readNc C s t | �| j| j|�S �N)�typer r )r r r r r �newR s zTurboSHAKE.newc C s* t �| j�� �}|rtd| ��d| _d S )Nz)Error %d while resetting TurboSHAKE stateF)r Z keccak_resetr r r r )r r r r r �_resetU s � zTurboSHAKE._resetr" ) �__name__� __module__� __qualname__�__doc__r r r! r$ r% r r r r r s r c K sF | � dd�}d| krdksn td| ��| � d�}td||d�S ) a� Create a new TurboSHAKE128 object. Args: domain (integer): Optional - A domain separation byte, between 0x01 and 0x7F. The default value is 0x1F. data (bytes/bytearray/memoryview): Optional - The very first chunk of the message to hash. It is equivalent to an early call to :meth:`update`. :Return: A :class:`TurboSHAKE` object �domain� r � z&Incorrect domain separation value (%d)r � )r )r r r )�kwargsr r r r r r$ ] s � r$ N)ZCryptodome.Util._raw_apir r r r r r r ZCryptodome.Util.numberr ZCryptodome.Util.py3compatr Zkeccakr �objectr r$ r r r r �<module> s $ Q
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