o g" @sUddlmZmZddlmZddlmZmZddl m Z e Z e ed<eZe ed<eZe ed<eZe ed<eZe ed <eZe ed <eZe ed <eZe ed <eZe ed <dZdZ de de!de!de!ddf ddZ"e dddfde!de de!de!de!de!f ddZ#edddZ$GdddZ%ddde fde!de!de!de de%f d d!Z&d"e%de!ddfd#d$Z'd"e%de!fd%d&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_sizekeysaltpersonreturnNcCstt|tdtjdtt|tdtjdtt|tdtjdtt|tdtjdt|tktdttj dtt |t kt dt tj dtt |t kt dt tj dtt |tkt d ttj dd 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)rrrrr&K/usr/local/lib/python3.10/dist-packages/nacl/bindings/crypto_generichash.py _checkparams)sP        r(datac Cst||||tt|tdtjdtd|}tdt}tdt }t ||t |t ||t |t |||t ||t |||}t|dkdtjdt||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(rrrrrrnewrrmemmover$r(crypto_generichash_blake2b_salt_personal RuntimeErrorbuffer) r*rrrrdigest_salt_personrcr&r&r'!generichash_blake2b_salt_personal^s    r8 _Blake2State Blake2State)boundc@sFeZdZdZddgZdefddZdefddZd e de fd d Z d S) r:zN Python-level wrapper for the crypto_generichash_blake2b state buffer _statebufrcCstdt|_||_dS)Nr,)rr/rr<r)selfrr&r&r'__init__s zBlake2State.__init__rcCstd|jj)zc Raise the same exception as hashlib's blake implementation on copy.copy() zcan't pickle {} objects)rr" __class____name__)r=r&r&r' __reduce__s zBlake2State.__reduce__r=cCs"||j}t|j|jt|S)N)r?rrr0r<r)r=_str&r&r'copys  zBlake2State.copyN) r@ __module__ __qualname____doc__ __slots__r r>rrAr9rCr&r&r&r'r:s  cCst||||t|}tdt}tdt}t||t|t||t|t |j |t||||}t |dkdt j d|S)a@ Create a new initialized blake2b hash state :param key: must be at most :py:data:`.crypto_generichash_KEYBYTES_MAX` long :type key: bytes :param salt: must be at most :py:data:`.crypto_generichash_SALTBYTES` long; will be zero-padded if needed :type salt: bytes :param person: must be at most :py:data:`.crypto_generichash_PERSONALBYTES` long: will be zero-padded if needed :type person: bytes :param digest_size: must be at most :py:data:`.crypto_generichash_BYTES_MAX`; the default digest size is :py:data:`.crypto_generichash_BYTES` :type digest_size: int :return: a initialized :py:class:`.Blake2State` :rtype: object r-rr.r)r(r:rr/rrr0r$r-crypto_generichash_blake2b_init_salt_personalr<rrr2)rrrrstater5r6r7r&r&r'generichash_blake2b_inits  rJrIcCsXtt|tdtjdtt|tdtjdt|j|t |}t|dkdtj ddS)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+rr.N) rrr:rrrr!crypto_generichash_blake2b_updater<r$r2)rIr*r7r&r&r'generichash_blake2b_updates  rMcCs^tt|tdtjdtdt}t |j ||j }t|dkdtj dt ||j ddS)a:Finalize the blake2b hash state and return the digest. :param state: a initialized Blake2bState object as returned from :py:func:`.crypto_generichash_blake2b_init` :type state: :py:class:`.Blake2State` :return: the blake2 digest of the passed-in data stream :rtype: bytes rKrr,rr.N)rrr:rrrr/r r crypto_generichash_blake2b_finalr<rr2r3)rI_digestr7r&r&r'generichash_blake2b_finals   rP))typingrrnaclrr nacl._sodiumrrnacl.exceptionsr crypto_generichash_blake2b_bytesrr __annotations__$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(r8r9r:rJrMrPr&r&r&r's      7 8 0