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dd�ZdS ) � )�bord)�load_pycryptodome_raw_lib� VoidPointer� SmartPointer�create_string_buffer�get_raw_buffer�c_size_t� c_uint8_ptr)�_raw_keccak_libc �2 � e Zd ZdZdZdd�Zd� Zd� Zdd�ZdS ) � SHAKE256_XOFz�A SHAKE256 hash object.
Do not instantiate directly.
Use the :func:`new` function.
:ivar oid: ASN.1 Object ID
:vartype oid: string
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|� � t t |� � � � � � }|rt d|z � � �| 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.
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r �lenr )r r r s r r zSHAKE256_XOF.updateC s� � � � � O�� M�N�N� N� �.�t�{���/@�/@�/:�4�/@�/@�/7��D� � �/B�/B�D� D�� � '� � E� %� &� '� '�
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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 SHAKE256) r r r �keccak_squeezer r r r r )r �length�bfrr s r �readzSHAKE256_XOF.readU s� � � "���"�6�*�*�� �/�� ���0A�0A�03�08��0@�0@�B� B�� � '� � F� %� &� '� '�
'� �c�"�"�"r c �4 � t | � � |�� � S )N�r )�type)r r s r �newzSHAKE256_XOF.newo s � ��t�D�z�z�t�$�$�$�$r �N) �__name__�
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Nc �" � t | �� � S )a Return a fresh instance of a SHAKE256 object.
Args:
data (bytes/bytearray/memoryview):
The very first chunk of the message to hash.
It is equivalent to an early call to :meth:`update`.
Optional.
:Return: A :class:`SHAKE256_XOF` object
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