&xj# tUddlmZmZddlmZddlmZmZddl m Z ej Z e ed<ejZe ed<ejZe ed<ejZe ed<ejZe ed <ejZe ed <ejZe ed <ejZe ed <ejZe ed <dZdZ de de!de!de!ddf dZ"e dddfde!de de!de!de!de!f dZ#eddZ$GddZ%ddde fde!de!de!de de%f dZ&de%de!ddfd Z'de%de!fd!Z(dS)")NoReturnTypeVar) exceptions)ffilib)ensurecrypto_generichash_BYTEScrypto_generichash_BYTES_MINcrypto_generichash_BYTES_MAXcrypto_generichash_KEYBYTEScrypto_generichash_KEYBYTES_MINcrypto_generichash_KEYBYTES_MAXcrypto_generichash_SALTBYTES crypto_generichash_PERSONALBYTEScrypto_generichash_STATEBYTESz!{0} length greater than {1} bytesz{0} greater than {1} digest_sizekeysaltpersonreturnNctt|tdtjtt|tdtjtt|tdtjtt|t dtjt|t ktdt tj tt|tktdttj tt|tktdttj tt|tktd ttj d S) zCheck hash parameterszKey must be a bytes sequenceraisingzSalt must be a bytes sequencezPerson must be a bytes sequencez%Digest size must be an integer number Digest_sizeKeySaltPersonN)r isinstancebytesexc TypeErrorintr _TOOBIGformat ValueErrorlenr _OVERLONGrr)rrrrs QC:\Projects\Historical\venv\Lib\site-packages\nacl/bindings/crypto_generichash.py _checkparamsr))s 3&   4'   65!!)   ;$$/   33}&BCC   C33 ?@@   D 11!=>>   F 77#CDDr*datac t||||tt|tdtjt jd|}t jdt}t jdt}t j ||t|t j ||t|tj |||t||t|||}t|dkdtjt j||ddS)abOne shot hash interface :param data: the input data to the hash function :type data: bytes :param digest_size: must be at most :py:data:`.crypto_generichash_BYTES_MAX`; the default digest size is :py:data:`.crypto_generichash_BYTES` :type digest_size: int :param key: must be at most :py:data:`.crypto_generichash_KEYBYTES_MAX` long :type key: bytes :param salt: must be at most :py:data:`.crypto_generichash_SALTBYTES` long; will be zero-padded if needed :type salt: bytes :param person: must be at most :py:data:`.crypto_generichash_PERSONALBYTES` long: will be zero-padded if needed :type person: bytes :return: digest_size long digest :rtype: bytes #Input data must be a bytes sequencerunsigned char[]unsigned char []rUnexpected failureN)r)rrrr r!rnewrrmemmover&r(crypto_generichash_blake2b_salt_personal RuntimeErrorbuffer) r+rrrrdigest_salt_personrcs r(!generichash_blake2b_salt_personalr:^s>c4000 4-  W& 4 4F G&(D E EEg(*JKKGKtSYY'''KV--- 5 T3t99c3s88UG  B 27(#2BCCCC :fk * *111 --r* _Blake2State Blake2State)boundcBeZdZdZddgZdefdZdefdZde de fdZ d S) r<zN Python-level wrapper for the crypto_generichash_blake2b state buffer _statebufrcRtjdt|_||_dS)Nr.)rr1rr?r)selfrs r(__init__zBlake2State.__init__s+ <  'r*rcZtd|jj)zc Raise the same exception as hashlib's blake implementation on copy.copy() zcan't pickle {} objects)r!r$ __class____name__)rAs r( __reduce__zBlake2State.__reduce__s,  % , ,T^-D E E   r*rAc||j}tj|j|jt |S)N)rDrrr2r?r)rA_sts r(copyzBlake2State.copys=nnT-.. M4>+H    r*N) rE __module__ __qualname____doc__ __slots__r"rBrrFr;rIr*r(r<r<sm,I'C''''  H    <Lr*ct||||t|}tjdt}tjdt }tj||t|tj||t|tj |j |t||||}t|dkdtj |S)a@ Create a new initialized blake2b hash state :param key: must be at most :py:data:`.crypto_generichash_KEYBYTES_MAX` long :type key: bytes :param salt: must be at most :py:data:`.crypto_generichash_SALTBYTES` long; will be zero-padded if needed :type salt: bytes :param person: must be at most :py:data:`.crypto_generichash_PERSONALBYTES` long: will be zero-padded if needed :type person: bytes :param digest_size: must be at most :py:data:`.crypto_generichash_BYTES_MAX`; the default digest size is :py:data:`.crypto_generichash_BYTES` :type digest_size: int :return: a initialized :py:class:`.Blake2State` :rtype: object r/rr0r)r)r<rr1rrr2r&r-crypto_generichash_blake2b_init_salt_personalr?rr r4)rrrrstater7r8r9s r(generichash_blake2b_initrRs:c4000  $ $E G&(D E EEg(*JKKGKtSYY'''KV--- : c#hh UG  B 27(#2BCCCC Lr*rQcRtt|tdtjtt|t dtjt j|j|t|}t|dkdtj dS)zUpdate the blake2b hash state :param state: a initialized Blake2bState object as returned from :py:func:`.crypto_generichash_blake2b_init` :type state: :py:class:`.Blake2State` :param data: :type data: bytes "State must be a Blake2State objectrr-rr0N) rrr<r r!rr!crypto_generichash_blake2b_updater?r&r4)rQr+r9s r(generichash_blake2b_updaterVs 5+&&,   4-  . s4yy  B 27(#2BCCCCCCr*cXtt|tdtjt jdt}tj |j ||j }t|dkdtj t j ||j ddS)a:Finalize the blake2b hash state and return the digest. :param state: a initialized Blake2bState object as returned from :py:func:`.crypto_generichash_blake2b_init` :type state: :py:class:`.Blake2State` :return: the blake2 digest of the passed-in data stream :rtype: bytes rTrr.rr0N)rrr<r r!rr1r r crypto_generichash_blake2b_finalr?rr4r5)rQ_digestr9s r(generichash_blake2b_finalrZs 5+&&,  g')EFFG - %"3  B 27(#2BCCCC :gu0 1 1!!! 44r*))typingrrnaclrr nacl._sodiumrrnacl.exceptionsr crypto_generichash_blake2b_bytesr r"__annotations__$crypto_generichash_blake2b_bytes_minr $crypto_generichash_blake2b_bytes_maxr #crypto_generichash_blake2b_keybytesr 'crypto_generichash_blake2b_keybytes_minr 'crypto_generichash_blake2b_keybytes_maxr$crypto_generichash_blake2b_saltbytesr(crypto_generichash_blake2b_personalbytesrcrypto_generichash_statebytesrr'r#rr)r:r;r<rRrVrZrNr*r(ris%$$$$$$$$""""""!!!!!!!!""""""!E D F F#FFF$LC$L$N$NcNNN$LC$L$N$NcNNN#J3#J#L#LSLLL/C/11 0C/11 %MC$L$N$NcNNN0C022!#&GS%F%H%HsHHH / 22 2(-27<2 2222n0 5.5. 5.5. 5.  5.  5.  5.5.5.5.pw~];;; >/ -- - - - -  ----`DkDD4DDDD85[5U555555r*