(g=pddlmZddlmZmZmZddlmZddlm Z m Z ddl m Z m Z m Z GddeZd Zy ) ) unhexlify)bordtobytesis_bytes)get_random_bytes) cSHAKE128SHA3_256)_bytepad _encode_str _right_encodec:eZdZdZdZdZdZdZdZdZ dZ y ) KMAC_Hashz[A KMAC hash object. Do not instantiate directly. Use the :func:`new` function. cd|z|_||_d|_tt t ||}|j ||d|_|r|jj|yy)Nz2.16.840.1.101.3.4.2.sKMAC) oid digest_size_macr r r_new_cshakeupdate) selfdatakeymac_lencustom oid_variantcshakerate partial_newXs Q/var/www/skyplay_api_hub/venv/lib/python3.12/site-packages/Crypto/Hash/KMAC128.py__init__zKMAC_Hash.__init__.sb+[8"  GCL 94@ {{<A  LL   % cj|jr td|jj||S)zAuthenticate the next chunk of message. Args: data (bytes/bytearray/memoryview): The next chunk of the message to authenticate. z8You can only call 'digest' or 'hexdigest' on this object)r TypeErrorrr)rrs r rzKMAC_Hash.update=s. 99VW W D! r"c|js[|jjt|jdz|jj |j|_|jS)zReturn the **binary** (non-printable) MAC tag of the message. :return: The MAC tag. Binary form. :rtype: byte string )rrrr rread)rs r digestzKMAC_Hash.digestKsSyy LL   d.>.>.B C D ))$*:*:;DIyyr"c djt|jDcgc]}dt|zc}Scc}w)zReturn the **printable** MAC tag of the message. :return: The MAC tag. Hexadecimal encoded. :rtype: string z%02x)jointupler(r)rxs r hexdigestzKMAC_Hash.hexdigestXs5ww% 2FGQa(GHHGsActd}tj||z}tj||jz}|j|jk7r t dy)a`Verify that a given **binary** MAC (computed by another party) is valid. Args: mac_tag (bytes/bytearray/memoryview): the expected MAC of the message. Raises: ValueError: if the MAC does not match. It means that the message has been tampered with or that the MAC key is incorrect. zMAC check failedN)rr newr( ValueError)rmac_tagsecretmac1mac2s r verifyzKMAC_Hash.verifyas_""%||FW,-||FT[[]23 ;;=DKKM )/0 0 *r"cJ|jtt|y)anVerify that a given **printable** MAC (computed by another party) is valid. Args: hex_mac_tag (string): the expected MAC of the message, as a hexadecimal string. Raises: ValueError: if the MAC does not match. It means that the message has been tampered with or that the MAC key is incorrect. N)r7rr)r hex_mac_tags r hexverifyzKMAC_Hash.hexverifyus Igk234r"c >d|vr|j|d<tdi|S)zNReturn a new instance of a KMAC hash object. See :func:`new`. r)rr1)rkwargss r r1z KMAC_Hash.news( F " $ 0 0F9 }V}r"N) __name__ __module__ __qualname____doc__r!rr(r.r7r:r1r<r"r rr(s+ &  I1( 5r"rc l|jdd}t|s tdt|dkr t d|jdd}|jdd}|d kr t d |jd d }|rtd t |zt ||||dtdS)aCreate a new KMAC128 object. Args: key (bytes/bytearray/memoryview): The key to use to compute the MAC. It must be at least 128 bits long (16 bytes). data (bytes/bytearray/memoryview): Optional. The very first chunk of the message to authenticate. It is equivalent to an early call to :meth:`KMAC_Hash.update`. mac_len (integer): Optional. The size of the authentication tag, in bytes. Default is 64. Minimum is 8. custom (bytes/bytearray/memoryview): Optional. A customization byte string (``S`` in SP 800-185). Returns: A :class:`KMAC_Hash` hash object rNzYou must pass a key to KMAC128r0z1The key must be at least 128 bits long (16 bytes)rr@r&z!'mac_len' must be 8 bytes or morerr"zUnknown parameters: 19)poprr$lenr2strrr )r=rrrrs r r1r1s( **UD !C C=899 3x"}LMM ::fd #DjjB'G{<== ZZ# &F .V<== T3y# FFr"N)binasciirCrypto.Util.py3compatrrr Crypto.Randomrr*r r r r r objectrr1r<r"r rMs1>99*!;;ccL%Gr"