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o ;j� � @ sL d dl mZmZmZ ddlmZ ddlmZmZ G dd� de�Z dd� Z d S ) � )�bord�is_bytes�tobytes� )� cSHAKE128)� _encode_str� _right_encodec @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) � TupleHashz\A Tuple hash object. Do not instantiate directly. Use the :func:`new` function. c C s || _ |�d|d�| _d | _d S )N� s TupleHash)� digest_sizeZ_new�_cshake�_digest)�self�customZcshaker � r �P/opt/saltstack/salt/lib/python3.10/site-packages/Cryptodome/Hash/TupleHash128.py�__init__+ s zTupleHash.__init__c G s@ | j dur td��|D ]}t|�std��| j�t|�� q | S )z�Authenticate the next tuple of byte strings. TupleHash guarantees the logical separation between each byte string. Args: data (bytes/bytearray/memoryview): One or more items to hash. Nz6You cannot call 'update' after 'digest' or 'hexdigest'z#You can only call 'update' on bytes)r � TypeErrorr r �updater )r �data�itemr r r r 2 s zTupleHash.updatec C s6 | j du r| j�t| jd �� | j�| j�| _ | j S )z�Return the **binary** (non-printable) digest of the tuple of byte strings. :return: The hash digest. Binary form. :rtype: byte string N� )r r r r r �read�r r r r �digestD s zTupleHash.digestc C s d� dd� t| �� �D ��S )z�Return the **printable** digest of the tuple of byte strings. :return: The hash digest. Hexadecimal encoded. :rtype: string � c S s g | ]}d t |� �qS )z%02x)r )�.0�xr r r � <listcomp>X s z'TupleHash.hexdigest.<locals>.<listcomp>)�join�tupler r r r r � hexdigestQ s zTupleHash.hexdigestc K s( d|vr d|vr | j |d< tdi |��S )zNReturn a new instance of a TupleHash object. See :func:`new`. � digest_bytes� digest_bitsNr )r �new)r �kwargsr r r r$ Z s z TupleHash.newN) �__name__� __module__� __qualname__�__doc__r r r r! r$ r r r r r % s r c K s� | � dd�}| � dd�}d||fvrtd��d||fkr d}|dur+|dk r*td��n|dk s3|d r7td ��|d }| � d d �}t|t|�S ) a� Create a new TupleHash128 object. Args: digest_bytes (integer): Optional. The size of the digest, in bytes. Default is 64. Minimum is 8. digest_bits (integer): Optional and alternative to ``digest_bytes``. The size of the digest, in bits (and in steps of 8). Default is 512. Minimum is 64. custom (bytes): Optional. A customization bytestring (``S`` in SP 800-185). :Return: A :class:`TupleHash` object r" Nr# z*Only one digest parameter must be provided)NN�@ r z!'digest_bytes' must be at least 8z0'digest_bytes' must be at least 64 in steps of 8r r )�popr � ValueErrorr r )r% r" r# r r r r r$ e s � r$ N) ZCryptodome.Util.py3compatr r r r r r r �objectr r$ r r r r �<module> s @
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