g"XSrSSKrSSKrSSKJr SSKJr SSKJr S/r "SS\ 5r g)zT"U5T"U5S--$)N )Xig1ig2s r integerify)ScryptEngine.__init__..integerifyUs1vQ,,r)rrr smix_bytesiv_bytesbmix_len bmix_half_lenstructcalcsizeStructstr bmix_struct_bmix_1bmixoperator itemgetterr$)selfrrrr(r$r"r#s @@r__init__ScryptEngine.__init__:sq&!+ #$6) !Vs#q(((!==s8})># UHnT"TXT-5v M g7fNr ).0offsetinputsmixr&s r #ScryptEngine.run..rs*rr&joinrange) r3r r rr'outputr=r>r&s @@@rr ScryptEngine.run\s==Hf1XNyy 66Q;%[FJXX#Ax<F 8VAfMMrc ^ ^ ^ URm URnURnURm [ UR U55m U U U 4Sjn[ U"55nUR nT S- nSnUT :aCU"T 5U-n [S[T U"U 5555n T "U T 5 US- nUT :aMCUR"T 6$)a3run SCrypt smix function on a single input block :arg input: byte string containing input data. interpreted as 32*r little endian 4 byte integers. :returns: byte string containing output data derived by mixing input using n & r parameters. .. note:: time & mem cost are both ``O(n * r)`` c3j># SnUT:a&[T5nUv T"UT5 US- nUT:aM%gg7f)Nrr)tuple)ilastr0bufferrs rvgenScryptEngine.smix..vgens<Aa%V} T6"Q a%s,33rrc3.# UH upX- v M g7fr:r r;abs rr?$ScryptEngine.smix..sI-HTQ15-H) r0r.r$rlistunpack __getitem__rGrpack)r3r=r.r$rKV get_v_elemn_maskrHjresultr0rJrs @@@rr>ScryptEngine.smix}syy&& __ FFk((/0  L ]] Q !e6"V+AIT&*Q--HIIF  FA !e ((rcURnUSSn[U5nSnXc:aRUS-n[S[XE555=X&U&n[S[XE555=X#U-X7-&nUnXc:aMQgg)aj block mixing function used by smix() uses salsa20/8 core to mix block contents. :arg source: source to read from. should be list of 32*r 4-byte integers (2*r salsa20 blocks). :arg target: target to write to. should be list with same size as source. the existing value of this buffer is ignored. .. warning:: this operates *in place* on target, so source & target should NOT be same list. .. note:: * time cost is ``O(r)`` -- loops 16*r times, salsa20() has ``O(1)`` cost. * memory cost is ``O(1)`` -- salsa20() uses 16 x uint4, all other operations done in-place. rNrc3.# UH upX- v M g7fr:r rNs rr?$ScryptEngine.bmix..s(L;K41;KrRc3.# UH upX- v M g7fr:r rNs rr?r`s2VEUTQ15EUrR)r)iterrr)r3sourcetargethalftmpsiterrZjns rr0ScryptEngine.bmixs<!!STlV  h2B!((L4;K(L!L LFRL3+22VT#EU2V+V VF6$' "SA hrc USSn[S[U[U5555=USS&n[S[XC555USS&g)z0special bmix() method optimized for ``r=1`` caser^Nc3.# UH upX- v M g7fr:r rNs rr?'ScryptEngine._bmix_1..s#L6KdaAE6KrRc3.# UH upX- v M g7fr:r rNs rr?rls= ae rR)rrrb)r3rcrdBrfs rr/ScryptEngine._bmix_1sM 23K##Ld1d6l6K#LLLs c=S ==rs r) r0r)r(r.r$r'rrrr&)__name__ __module__ __qualname____firstlineno____doc__rrrr&r'r(r)r.r$ classmethodrr4r r>r0r/__static_attributes__r rrrrsj A A AJHHMKJ 66%DNB>)F&P>r) rtr1r*passlib.utils.compatrpasslib.crypto.digestrpasslib.crypto.scrypt._salsar__all__objectrr rrr|s3B  %-0 X>6X>r