Ë àU.jÎ"ãóX—dZddlZddlZddlmZddlmZddlmZdgZ Gd„de «Zy)z.integerifyUsø€Ù˜1“v¡ Q£¨¡Ñ,Ð,r)r rrÚ smix_bytesÚiv_bytesÚbmix_lenÚ bmix_half_lenÚstructÚcalcsizeÚStructÚstrÚbmix_structÚ_bmix_1ÚbmixÚoperatorÚ itemgetterr")Úselfr rrr%r"r r!s @@rÚ__init__zScryptEngine.__init__:søù€àˆŒØˆŒØˆŒØ˜q™&ˆŒØŸ™¨!Ñ+ˆŒ Ø#$¨¡6Ð)ˆŒ ˜Ø !™VˆÔÜ‰˜sÓ# qÒ(Ð(Ð(Ü!Ÿ=™=¨¬s°8«}Ñ)<¸sÑ)BÓCˆÔð Š6ØŸ™ˆDŒIð Š?Ü!×,Ñ,¨SÓ1ˆJð%ˆðÐ*Ò*Ð*Ð*Ü×%Ñ% cÓ*ˆCÜ×%Ñ% cÓ*ˆCõ -à$ˆrcó‡‡‡—|j}td||d|¬«Š|jŠ|jdk(r ‰‰«}n3|jŠdjˆˆˆfd„t d|‰«D««}td||d|¬«S)z® run scrypt kdf for specified secret, salt, and keylen .. note:: * time cost is ``O(n * r * p)`` * mem cost is ``O(n * r)`` Úsha256r)Úroundsrrc3ó:•K—|]}‰‰||‰z«–—Œyw©Nr)Ú.0ÚoffsetÚinputÚsmixr#s €€€rÚ z#ScryptEngine.run..rs*øèø€ðá<FñU˜6 &¨Ñ"3Ð4×5Ù<ùsƒr)r$rr:rr#ÚjoinÚrange) r0rrrr$Úoutputr9r:r#s @@@rr zScryptEngine.run\sƒú€ð—=‘=ˆÜ˜H f¨d¸1ÀXÔNˆðy‰yˆØ6‰6QŠ;Ù˜%“[‰FðŸ™ˆJØ—X‘Xõä# A x°Ô<óóˆFô˜8 V¨V¸AÀfÔMÐMrc óš‡‡‡ —|jŠ|j}|j}|jŠ t |j|««Šˆˆˆ fd„}t |««}|j}‰ dz }d}|‰ krA|‰«|z} td„t‰|| ««D««} ‰| ‰«|dz }|‰ krŒA|j‰ŽS)asrun 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)`` c3ód•K—d}|‰kr$t‰«}|–—‰|‰«|dz }|‰krŒ#yyw)Nrr)Útuple)ÚiÚlastr-Úbufferr s €€€rÚvgenzScryptEngine.smix..vgen›s=øèø€ØˆAØa’%Ü˜V“}Ø’ ÙT˜6Ô"ØQ‘ð a•%ùsƒ*0®0rrc3ó,K—|]\}}||z–—Œywr6r©r7ÚaÚbs rr;z$ScryptEngine.smix..sèø€ÐIÑ-H¡T Q¨˜1˜q5Ñ-Hùó‚) r-r+r"r ÚlistÚunpackÚ__getitem__rArÚpack)r0r9r+r"rEÚVÚ get_v_elemÚn_maskrBÚjÚresultr-rDr s @@@rr:zScryptEngine.smix}sÏú€ðy‰yˆØ×&Ñ&ˆØ—_‘_ˆ ØF‰Fˆôk×(Ñ(¨Ó/Ó0ˆö ô ‘“‹Lˆð—]‘]ˆ ØQ‘ˆØ ˆØ!ŠeÙ˜6Ó" VÑ+ˆAÜÑI¬T°&¹*ÀQ»-Ô-HÓIÓIˆFÙ˜Ô Ø ‰FˆAð !‹eð ˆ{×Ñ Ð(Ð(rcóö—|j}|dd}t|«}d}||krV|dz}td„t||«D««x|||}td„t||«D««x|||z||z}|}||krŒUyy)aú 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. rNréc3ó,K—|]\}}||z–—Œywr6rrGs rr;z$ScryptEngine.bmix..äsèø€Ð(LÑ;K±4°1°a¨¨QÑ;KùrJc3ó,K—|]\}}||z–—Œywr6rrGs rr;z$ScryptEngine.bmix..åsèø€Ð2VÑEU¹T¸QÀ°1°qµ5ÑEUùrJ)r&Úiterrr)r0ÚsourceÚtargetÚhalfÚtmpÚsiterrRÚjns rr-zScryptEngine.bmixÀs“€ð<×!Ñ!ˆØSTˆlˆÜV“ˆØ ˆØ$ŠhØ2‘ˆBÜ!(Ñ(L¼4ÀÀUÔ;KÓ(LÓ!LÐLˆF1RˆL˜3Ü+2Ñ2VÄTÈ#ÈuÔEUÓ2VÓ+VÐVˆF4˜‘6˜$˜r™'Ð" SØˆAð $hrc ó —|dd}td„t|t|««D««x|dd}td„t||«D««|ddy)z0special bmix() method optimized for ``r=1`` caserUNc3ó,K—|]\}}||z–—Œywr6rrGs rr;z'ScryptEngine._bmix_1..ësèø€Ð#LÑ6K©d¨a° A¨¥EÑ6KùrJc3ó,K—|]\}}||z–—Œywr6rrGs rr;z'ScryptEngine._bmix_1..ìsèø€Ð=±©¨¨1˜a !e±ùrJ)rrrX)r0rYrZÚBr\s rr,zScryptEngine._bmix_1èsO€à23ˆKˆÜ#Ñ#L´d¸1¼dÀ6»lÔ6KÓ#LÓLÐLˆˆsˆcÜÑ=´°S¸!´Ó=Ó=ˆˆrˆs‰r)Ú__name__Ú __module__Ú__qualname__Ú__doc__r rrr#r$r%r&r+r"Úclassmethodrr1r r:r-r,rrrrrsj„ñð €AØ €AØ €Að€JØ€HØ€HØ€MØ€KØ€Jð ñ6óð6ò%òDNòB>)òF&óP>r)rfr.r'Úpasslib.utils.compatrÚpasslib.crypto.digestrÚpasslib.crypto.scrypt._salsarÚ__all__ÚobjectrrrrÚrms3ðÙBó Û å%Ý-Ý0ðð €ôX>6õX>r