o 5 h@sLddlmZmZmZddlmZddlmZmZGdddeZ ddZ d S) )bordis_bytestobytes) cSHAKE128) _encode_str _right_encodec@s8eZdZdZddZddZddZdd Zd d Zd S) TupleHashz\A Tuple hash object. Do not instantiate directly. Use the :func:`new` function. cCs ||_|d|d|_d|_dS)Ns TupleHash) digest_size_new_cshake_digest)selfcustomcshaker rl/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/Crypto/Hash/TupleHash128.py__init__+s zTupleHash.__init__cGs@|jdur td|D]}t|std|jt|q |S)zAuthenticate 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 TypeErrorrr updater)rdataitemrrrr2s zTupleHash.updatecCs6|jdur|jt|jd|j|j|_|jS)zReturn the **binary** (non-printable) digest of the tuple of byte strings. :return: The hash digest. Binary form. :rtype: byte string N)rr rrr readrrrrdigestDs zTupleHash.digestcCsdddt|DS)zReturn the **printable** digest of the tuple of byte strings. :return: The hash digest. Hexadecimal encoded. :rtype: string cSsg|]}dt|qS)z%02x)r).0xrrr Xsz'TupleHash.hexdigest..)jointuplerrrrr hexdigestQszTupleHash.hexdigestcKs(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)rkwargsrrrr&Zs z TupleHash.newN) __name__ __module__ __qualname____doc__rrrr#r&rrrrr %s r cKs|dd}|dd}d||fvrtdd||fkrd}|dur+|dkr*tdn|dks3|dr7td |d}|d d }t|t|S) aCreate 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$Nr%z*Only one digest parameter must be provided)NN@rz!'digest_bytes' must be at least 8z0'digest_bytes' must be at least 64 in steps of 8rr )popr ValueErrorr r)r'r$r%rrrrr&es      r&N) Crypto.Util.py3compatrrrrrrrobjectr r&rrrrs   @