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int keccak_init(void **state,
size_t capacity_bytes,
uint8_t padding_byte);
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);
int keccak_digest(void *state, uint8_t *digest, size_t len);
int keccak_copy(const void *src, void *dst);
c �0 � e Zd ZdZd� Zd� Zd� Zd� Zd� ZdS )� 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
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�� �,�,�U�-=�-=�-?�-?�-5�d�6F��6J�-K�-K�-1�3� 3�� � M� � B�V� K�L�L� L�"�5�9�9�;�;�#2�#A�C� C�� � � � �K�K�� � � � � � � � c � � | j r| j st d� � �t � | j � � � t |� � 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.
z8You can only call 'digest' or 'hexdigest' on this objectz Error %d while updating keccak) r r � TypeErrorr �
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�lenr )r r r! s r" r zKeccak_Hash.updateR s� � � � � X�T�%>� X�� V�W�W� W� �.�.�t�{���/@�/@�/:�4�/@�/@�/7��D� � �/B�/B�D� D�� � H� � =�� F�G�G� G�� r$ c � � d| _ t | j � � }t � | j � � � |t | j � � � � }|rt d|z � � �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 �
keccak_digestr r r
r r )r �bfrr! s r" �digestzKeccak_Hash.digestc s � � !���"�4�#3�4�4�� �.�.�t�{���/@�/@�/2�/7��8H�/I�/I�K� K�� � I� � >�� G�H�H� H� �c�"�"�"r$ c �d � d� d� | � � � 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
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<listcomp>z)Keccak_Hash.hexdigest.<locals>.<listcomp>} s# � �@�@�@�Q���a���(�@�@�@r$ )�joinr, )r s r" � hexdigestzKeccak_Hash.hexdigestu s- � � �w�w�@�@�$�+�+�-�-�@�@�@�A�A�Ar$ c �> � d|vrd|vr
| j |d< t di |��S )z"Create a fresh Keccak hash object.r � digest_bits� )r �new)r �kwargss r" r8 zKeccak_Hash.new s6 � � �� '� '�M��,G�,G�%)�%5�F�>� "��}�}�V�}�}� r$ N) �__name__�
__module__� __qualname__�__doc__r# r r, r4 r8 r7 r$ r" r
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� � �|dz }| r t dt | � � z � � �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 r6 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
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