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o ;j� � @ sZ d dl mZ d dlmZmZmZmZmZmZm Z m Z edd�Z G dd� de �Z dd� Zd S ) � ��bord)�load_pycryptodome_raw_lib� VoidPointer� SmartPointer�create_string_buffer�get_raw_buffer�c_size_t� c_uint8_ptr�c_ubytezCryptodome.Hash._keccaka� int keccak_init(void **state, size_t capacity_bytes, uint8_t rounds); int keccak_destroy(void *state); int keccak_absorb(void *state, const uint8_t *in, size_t len); int keccak_squeeze(const void *state, uint8_t *out, size_t len, uint8_t padding); int keccak_digest(void *state, uint8_t *digest, size_t len, uint8_t padding); int keccak_copy(const void *src, void *dst); int keccak_reset(void *state); c @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) � Keccak_Hashz�A Keccak hash object. Do not instantiate directly. Use the :func:`new` function. :ivar digest_size: the size in bytes of the resulting hash :vartype digest_size: integer c C sv || _ || _d| _d| _t� }t�|�� t| j d �t d��}|r't d| ��t |� � tj �| _|r9| �|� d S d S )NF� � � z#Error %d while instantiating keccak)� digest_size�_update_after_digest� _digest_done�_paddingr �_raw_keccak_libZ keccak_initZ address_ofr r � ValueErrorr �getZkeccak_destroy�_state�update)�self�data� digest_bytes�update_after_digest�state�result� r �J/opt/saltstack/salt/lib/python3.10/site-packages/Cryptodome/Hash/keccak.py�__init__E s" � ��zKeccak_Hash.__init__c C sH | j r | js td��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. z8You can only call 'digest' or 'hexdigest' on this objectz Error %d while updating keccak) r r � TypeErrorr Z keccak_absorbr r r r �lenr )r r r r r r r X s � zKeccak_Hash.updatec C sJ d| _ t| j�}t�| j�� |t| j�t| j ��}|r!t d| ��t |�S )z�Return the **binary** (non-printable) digest of the message that has been hashed so far. :return: The hash digest, computed over the data processed so far. Binary form. :rtype: byte string Tz Error %d while squeezing keccak) r r r r Z keccak_digestr r r r r r r )r Zbfrr r r r �digesti s � zKeccak_Hash.digestc C s d� dd� | �� D ��S )z�Return the **printable** digest of the message that has been hashed so far. :return: The hash digest, computed over the data processed so far. Hexadecimal encoded. :rtype: string � c S s g | ]}d t |� �qS )z%02xr )�.0�xr r r � <listcomp>� s z)Keccak_Hash.hexdigest.<locals>.<listcomp>)�joinr$ )r r r r � hexdigest| s zKeccak_Hash.hexdigestc K s( d|vr d|vr | j |d< tdi |��S )z"Create a fresh Keccak hash object.r � digest_bitsNr )r �new)r �kwargsr r r r, � s zKeccak_Hash.newN) �__name__� __module__� __qualname__�__doc__r! r r$ r* r, r r r r r < s r c K s� | � dd�}| � dd�}| � dd�}| � dd�}d||fvr"td��d||fkr,td ��|dur9|d vr8td ��n |d vrAtd ��|d }| rOtdt| � ��t|||�S )ao Create a new hash object. Args: data (bytes/bytearray/memoryview): The very first chunk of the message to hash. It is equivalent to an early call to :meth:`Keccak_Hash.update`. digest_bytes (integer): The size of the digest, in bytes (28, 32, 48, 64). digest_bits (integer): The size of the digest, in bits (224, 256, 384, 512). update_after_digest (boolean): Whether :meth:`Keccak.digest` can be followed by another :meth:`Keccak.update` (default: ``False``). :Return: A :class:`Keccak_Hash` hash object r Nr Fr r+ z*Only one digest parameter must be provided)NNz&Digest size (bits, bytes) not provided)� � �0 �@ z('digest_bytes' must be: 28, 32, 48 or 64)�� � i� i z,'digest_bytes' must be: 224, 256, 384 or 512� zUnknown parameters: )�popr" r �strr )r- r r r r+ r r r r, � s$ � r, N)ZCryptodome.Util.py3compatr ZCryptodome.Util._raw_apir r r r r r r r r �objectr r, r r r r �<module> s (� S
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