o j@s^ddlmZddlmZmZmZmZmZmZm Z m Z ddl m Z Gddde Zd ddZdS) )bord)load_pycryptodome_raw_lib VoidPointer SmartPointercreate_string_bufferget_raw_bufferc_size_t c_uint8_ptrc_ubyte)_raw_keccak_libc@s@eZdZdZdZdddZddZdd Zd d Zdd d Z dS) SHAKE256_XOFzA SHAKE256 hash object. Do not instantiate directly. Use the :func:`new` function. :ivar oid: ASN.1 Object ID :vartype oid: string z2.16.840.1.101.3.4.2.12NcCsdt}t|tdtd}|rtd|t|tj |_ d|_ d|_ |r0| |dSdS)N@z%Error %d while instantiating SHAKE256F)rr keccak_init address_ofrr ValueErrorrgetkeccak_destroy_state _is_squeezing_paddingupdate)selfdatastateresultr/root/aizidognhua/tmp/workspace/projects/ec89d86c-575f-41c9-af57-ac45cbdbf775/venv/lib/python3.10/site-packages/Cryptodome/Hash/SHAKE256.py__init__5s" zSHAKE256_XOF.__init__cCsB|jrtdt|jt|tt|}|rt d||S)zContinue 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. z/You cannot call 'update' after the first 'read'z&Error %d while updating SHAKE256 state) r TypeErrorr keccak_absorbrrr rlenr)rrrrrrrEs  zSHAKE256_XOF.updatecCsFd|_t|}t|j|t|t|j}|rt d|t |S)ah 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) rrr keccak_squeezerrrr rrr)rlengthbfrrrrrreadWs zSHAKE256_XOF.readcCs4|}t|j|j}|rtd||S)zReturn a copy ("clone") of the hash object. The copy will have the same internal state as the original hash object. :return: A hash object of the same type zError %d while copying SHAKE256)newr keccak_copyrrr)rclonerrrrcopyrs  zSHAKE256_XOF.copycCst||dS)Nr)type)rrrrrr'szSHAKE256_XOF.newN) __name__ __module__ __qualname____doc__oidrrr&r*r'rrrrr )s r NcCs t|dS)aReturn 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 r+)r r+rrrr's r'r-)Cryptodome.Util.py3compatrCryptodome.Util._raw_apirrrrrrr r Cryptodome.Hash.keccakr objectr r'rrrrs ( ]