ÿØÿà JFIF    ÿÛ „ !.%+&8&+/1555$;@;4?.451 4,$,44444444444414444444444444444444444444444444444444ÿÀ  á á" ÿÄ     ÿÄ ?    !1AQaq"2‘¡±ÁðBRbrÑá#‚’¢²3S CñÿÄ   ÿÄ !    !1QAa‘2ÿÚ   ? 5˜Z¯V¦cø)›t/? z¨±>Õ5€¶‹Á¤·¼z¼Ü¬+ñ®v¤¨_ˆR­BFn©—˜ý®ç̝P8gýt·ÉSTŦˆìät?þé¼íìN/Þa)ì–í6ô… Ï¿øÃj´¿KÇü]ÿ ªô¹-eKànëÕHTx}ýSÜ›ÿ ”7Ø×&µ<¦  ¥ÑO¶[Ù¯ä¨ÞÃÿ PZ-¬;#õ|•oaÿ ©CìÞz3˜öː/¤­ñTûIØ}š^ mÓ%ªxˆ¥ÉŸu=Z+ISe¿45™¼u;ú&WØ÷€æßQ™®{|íx*TC“#ZŠìZ§²‹ 6pv…³¿¡äª*áZÐ%ÒOáˆo"x«OHk w±æ+¬V(kMúŸ5Vö«$ ÁrÏbàb57/luR ¸ÑÛj Òµì`Ðœq­û žICÀÊ•©4€Âcà¨Ï€O´<èÐ:›ù(Ë^L8þ‘ÍÌ#¸Ð_Ì©ÙK(Öz 4¬û+¸;ü’V’84‘¬ÃŽ:[â‡ÔÌáõp¢~§ªlæ£ö{®G>J¼"°‡7¯ÆÉèßû ‹É‹§ÁòÃýâßî ^ƾÙõ‹×óH#«LP½ïX=xÑÍ$|W?•~• îëÔ©ª‹ {ÝT…Kÿ ”hûâá)J*ö˜–ÔU;iÇ€/ ÆþjóZ\ýwØ=Ìm ºèËL9 ýèÆð/¨’¥öo=nË.%Îì ŽÕ¯È|{Oj²ƒE6e/ßdÄõ²Ìâ1O®ò×TsəԸhOMýíMˆ¿¼H˜l²,7Â¥#MF/Úf°Ö½± ¸–dr‹NýÊ íjqx{œÉ ä-È ¦ øÄër¨q°ð †nцýÑÄÆ’mä…n<0È™;ÁÝá¯ÁZƒ7FÀmì­ É&9ˆîéi¶ùN§Y• ÃZãAâ?•‡©‰ , ó¾IŸŠc1 4â&y­&pŠ­6;M À 0¹qç»p.á …ŸÅáK@%6·y6ƒ‰3?”úºŽ‰éX5ªPT §µ!=Mž«Ú½‹ÅgÂSâÉaþÓoö–¯ÁÔìR>5éÿ üs¶ÆUcÌ kÇR ]ÿ ù¬¼«VŽ;Â|‡~¢¦”ÏÅ°æ {L™Õ°Óv¹ò¸írŽ¡×¢CÃ!íVÕ {¶»sŒNPg/ "uÕbkm²“$ďå¿é¹§°½æz¯6 †s¿!s–wÚÝ“™Œ °.ûj>·+™Òa…©Œ&rÝÎtÛë긪Ît’LAVp%c Úý[ÄzJ¾ÇàXXç@˜ó<êL]·T˜¾¥1Ó©V‡g´æ½¦Ý@¹óø!_@´ÞâSÁ —S3™•& ]@JHÚý©ZŽ €×æÔr»Áf!‡yÞ4Mv*èÓã_{‘åóUuљØ«Oïé*®EvÑ Œ÷‡U \"㪒ÍK+À 4“M¡ï:0¥5í!'<@î´”>Ç»&Z–ïCCV˜Ì5Šo&îhè.žû |ÓK©h$s6KìŒëã)¹hI¦GïOåóI;ììü#É$Š0…Ææ¥TØ.5­¾gn´ “ÂÖ\:hœ89G)J@„}œ:’Ò{/Š"¦_Æ×7Æ3VÇŠÊa]ÚŒÙ€Ä–=®uÁßâACZƒ§§£ Qnâ:«,×{tyø¬iÛcœÜÄ€H½ÄÍCk´÷šß .W'b¤Íåh]÷€=,Žv×cÚEÚHXJX¶îo¨FÒtèöŸ>ªª6[J®Fµ£sGÁeqõfe\íjÒÐïÄÐGˆe1Ø‹.Ø”‘Ëuø Y­ˆÜ ŽG|zùªüMpDnQWÄ”%JŠ™)â*p@Örš«ÕT2Ð%ˆG#ª„ ·¤!°ŸOTÂT¸aÚ%4&h™LµšØüÐ.F¿²ÐÞ_Ç‚¾ÅÃaÜ÷09Æ q€öy˜v‡85õN÷]¬äѼóS{°_MŽ¬úÔ#°Ç¸0åÞè2ëôPcvÆw9®ií1Ä8F™˜à‰´+‰Ik1òÝ7“Ñ×ÒsÝ\x‚h`ÞÑ`ó"|µEcý£n˜h`}GÞ !±ù²Ápü²ß6 0ïi󜵩SÈÇ7˜-ÕURO˜¦´f$ªž-Í6(œ}<„ éc øs]ŽŽ„*—¾ ìdŽ„)méª\¿êÎIg¾ØÞ~I#C/¼¼´EÁÈŽi8“©õådô·>euä ƒ'Ê×लR1ÉJE1ÐAát`t;ÇР%Ý<‡¥„ÍÆ`×Oyó)õiI€ñQaŸ4Ûù\áàaÃÔ¹HÃu¹*k€¦<„e S‡&õÏ B!ŽhüÞ`yj}mªf×\¿ Ç~æ­9‡û\՞Ǖg²1Žû5V7 !àöšm° c`ܬøÇìµÒ'P"?…´Ö,"§^•õŽ¨sÔ)6˜sæéÍR¼ ò|Sl”‹7 nPW Gòú÷½§O¯‡„l¡kSÞŒr½PÊ@æ¢pŽ-mÿ #Ÿ˜Àº¶Áä¦;ïÔæ$1££`“Õ>„—·ž)ßð³ñ#Ï Ô$¶œ‰ÊE‹À;÷º ¯«P:Ñ”8–IÊtpÞ3ª“>ê“þës4ò2OÏÕ­±zô†Õ§‰.÷ä¸;¿˜“'œ›žª}«Œ{ª±Ì 9ÔóÞÕ‡0 $íWV3Üì¬ —@kÝ4@¿r¼±½¬™›?øØæ´'Áé®CË3-g$˜ö‡×auÚi´Žp/êÛ æF›Ú2v‹ã¿¿,nB1̨ƃqÞa5͝@&Æû“él÷ \C²½UÍc ¯k×¢U ÖéQå™—-r wô ÞÏ<Ò=&=ÿ Ôê Òêˈt,i—;LîÜ á¸*ÚÃ1$êL•LÍ <É)ýÐà’ ;F™{ƒ™˜€&'}‚ãÄK`¡ÞT@I;®žZóè‚s’7®°›+§O­Åq©é»²9<Ô J ¼9O’HL»Ùïì¸rk¼Ž_ý‘TŸu[²ßÚŒ·ü÷B%¯E ŸÔX5êO´ Ç•€’I0 ÉJX` ñ¹õ%;µŸD‘«´€àwÒ™U ûئžÖö\×®×´8 ½‡ºÐÆÓ§?Àkmœ=;d5*@-ì0F Rªýš[Ü6âö̃ڸr*KA9· u*µæ£?U¸Âêí†8@¦X4 e-ò„0s{ HâUpU?¼mñRa°®a%Ð'tÉ×’\¾ÊÉ]t›h>·(Ë@R¼¡Ãt h}’O÷au<+nT…Ö…MӐ??Óe95 q>í/;&JSû °¯ÊéÞ øƒ*Ã2½Ài&:nôUl=¾¿5eˆ3”ñc|Ú2V”>„»&eE;«ÚäC p¢Û úy 9š[ŒÌx¼擼A&DåÒ¯ˆ¤ÀÌ;"˜ ÏQä¸åhÊ}Ûq«Û0WžÒ|»€ø®öCm5•\ÇÀ§Pe3£]0ÃàLDÉ‰1øªxjgwT‚÷¿LΨK‹›ùs—xˆÜ±µ kæ¸f‰‰ÜGk/LÛØ6d9ò¶ùA{ƒA3š/¬D¬khÓk‰`˜"㯒r¿±Óã jx‡°e}<Ñø\3y:'À•/h½Í€Ç4~g ?Û(¼]v‘ªlKÎâ~?O‚W%{Ì:“'©úNq¾›úo(X’¥¯ˆ nFê{Ç€ü?º'ë ø‹ì Þ09ŒÌç9Æ —ËC`j@ÓÄ(+a‹un¸#ÂꟋ{K`‘ÑÍÍ'à´»/Û,KW;Þ4²þð ï Nm|~fGÏ(…³Ã)«1ö­Õ ¥‡¨©ƒÃ™ü-s=à=U66Ï«Ýc蓦W¹íž®›nÔ%êÇìŒ<#Ü×84ån®Ð ÒåOC` ñânÑs‡¢ç 1õ%Îhì½Ã½® e:ݼUZo™`  ÅZŸŒÊ«ê1ÏÄo$q¹Þ€©ˆhÐÉä¯ñ[!…Ú˜àJ:x2$Íß&PåT£6ç— ‡Í*4Ýšçjÿ ‰É nófÐ ó(L5C•åÆ\rMÒ@ò }y-W}™üýVù—ú¢=Ù”c®‘< M ž ´Phr ¦©TD ‘ù.$´÷O‡‘V2Æò.=IUŒ=ž‡â¬i™aþÓåÙ?òUø'ØÖ•.~* šTŒ!•-×áºTâ®ä#õü'´ eýlYÅÓeÕKÂrT"CÚ@u!Óxƒ{š3€}1¿(r}%«nËamjÑ%ÑNEò v ˜à  σöK³,*º.àzù¨™Ó ÚçâU¦*¿ 9{%Ö¹ njûdaXöb) kÛƱûÓ\°M7ˆÂ=û›ç¿Ã‚­V»Cg–8ÙêE- j)k$º`Ã-ùEýeBÆÇ]c¡°ñty&Òd0nõ'¡W+ƒ*|–øµFa\GQªEAÔp5\Ǽ·¼Ç8·õ -â§Ú[ ‡ uZeÖ 3}×d'+¹:ð+K†Û®s!Ï$úe€<Û”x)1»a­¡LC]¸µík…ÚàA»AYº{†ªS[¦5HÒ7ù --,ísòDØ€èk ÞÀîÜ ò@â( ËNˆë›4ô½•/¦o‡€Û7 ê•ÆêòðÜy'Án½µ á˜ݦ ndeo…[ì¶Ê,¥R³Ä=À±—–ß;£™´ñSâ*g§”ïaið‘Jå~™ÓÞ ß³Õ¢»8x埒²52>AÊb&-÷\7´éÄù€T˜,w;3{ï˜k…à¹ÄqÀ«œ{€\ ˆ¾[´¨јr &Úé„Ívˆ±8†¿]|¬ņ4I×pÞS1ÈÖz‰#Ìv‡G!YNògñ:màTz¢Ý1ô©^O=~ë|5Bã™ç•¼µõ•bÆ@úÕS¬ÈŒ#¬zünrŸ û” Z²•ï›èðV"ÁHÚý©wÝ €7¼Ìu1hÑa3Éä û f$o¿É ™Ú›ÝçnpÒ3äÌ3†Í§,Äï]$‰/pê †«À¼¸e9­Æê_C]žƒ·ý·frÁN«, E=›Çq -‰öŒ:aÏ¿±í&£Í:-} 84‘ÿ eƒQÑeëSsuiA ³g㟥ú£?ÿ ʼn*”“÷aühe:ÊWa@ÒÞk±eØ] F Ô—r.åä˜ @ö¥ªZoÐýYL·¥S²G/‡ñ <~*ZÆ´è>JlòàÛƽÿ 窘ìGN¢:I®KšJp/`íIÁÀõ#Ä-€ö­šµŒoF4|ÆQØÆ@Ì|£Ô…¢À{9˜è½Üó›€ôYÒÎYsið;ís¤€à²ˆ‚4qÉVŒI$ ‰"° æµ8cXGjœˏ¡Aâý•ËÜ¢ûï e·çLx']á"oÅÎê3¯Ç—¹”ó0nå‚âg{Œñ> S´˜îè°g238‚ãköÝfÚd´6Ò€;ò÷±¢™¼›º ¢Æ'¥Ðx'e¬ç ]bÈÆV¢ó‹kýBO ðÊâ$Ÿ!×T 3Mýמ žìٍàÌü‘8÷€àæØ8æ©6‰©L´«…oãpð„~Çk‰!ñ;‹”ÛžÍ àž±z Ÿôû øŸÝužÏ;ÿ #|u6™Þ¬ÚˆÐõA4¶â|ôl|Ê2ŽÇ¤ÝÅÇY.<#Aí.k§hóF‚”Y; M½Ö4hŸ4&›­¿tès´%FìL¥£Ãk‰ÇT¤haÁ¤ÚxfÉ`ÑìË›>i 3t‚:,–+^÷´–{Û–Nxi"x‘Ûg î¨>¥Õ܁ùZH,2Û“:8xÊ¢Çí9.É-Ìâã-=çjwµS˜dütžçwýGòú®®ûº_ˆýx$–¡ãøO EÚÛÏ÷R„×w+3£Á£öUMyR²¹âŒ°š›¸Ñãò9§Ó_Dl+Ùßc›úšGÅÌc†Ž!Ko=¶.‘Îÿ c²(2®V mª.ÿ ¹B›¹å ù„öŸSV>™ü¯$y:G¢Z×àøúdî¹û­·ýÇ´:•c LÍõi_‹ö+ÎæGÊè>OŠ•äž´§Þ{X}¨1ÚTc›»Qþ•êô°t¿OP?eæ~É{5]•ÙR£r5†nZ\ã@ &îJõ ¾àC°þV>fé¥/ü5ñÊIº_é5 ;e­h<@ Ä&æÃëE%;X,ÒãÆÞ`Oò¦kŸm#˜!ÀyÄ¢| óLšò¥Ä` ¶R=|ÈCâh5ò3DˆïF†ðÒ#ÅìÛœ?¸yhBãœí ZxßÎÄhºRK„`Þödvײ™ÀÈÑÒgŒuY w³%†ƒÓzõ ÖÏp‚dH®¦A´ù§»ÓÇMæ~)ˆð‡û:ù&Ä •vGD´À n ݇¼Ö8Fö óáà£~Ë¥x`oK|Ä?fxiØü%pìR>éò+Û±éÎ>núlFŤ'tq8LZÏvÃ?„¡ß±È⽆¯³íü@x|PöUäèØã¡ð‚ŒAìÏ"vÍwóŸÍ{ ý0.z È•Ö{,N¡£¡ŸKÕÙž>Ýœþ ÍÀ°<×EA!Å‚D™IúOÍ¡>ôG}Â` ÍßkÜL™Ž Þð™ {IøF²¹òQ3&!ÃÂÞz.d&Ï-sH¸,Ôõ˜ŽP€ 77ˆÝ¼ÊëÜw =cÕ Ú,ØÐ5ÎYÐ)ì´öœgŒ[¤ßv㙑8心>h]§µháYš£²ºÑ.{Ï7Sð•?´~×SÃKýJÛ˜ ™Íäiúu<µX¶1õ^kâçIÑ£sZ4h>j*ÔšD:4­¿_ ÷¸ Õxæÿ ¸?Mù _•­ÊÐ ä ÷ý ÑwL œ­ïnTkÛUÍN©ë:¦fV ¶ÜÔÜMªÅâA½–¿R×TXš-%iTÊT•‡Ù‚JôϐZxWÑè‰f‰òG º ×Õû2aZ7OU3[“×AT–ÞŒ…-‘¤”Ì ì&(ˆ¿­•ƒkï’:ðY¦W‘ Å)“†‘˜³Åtcø˜ñTÂwÚÇ4|üLÇªí–v- qˆèU qPE.†â‘˜µ Æ,ÐÅs]8¾„oúÑ i>ÜxxÈó)ƒ ´æÁâØ$À‰vžŸf$Ž |ãw;ÀÁIJ»b` {¦Ó¤Ú$©YÀ‘n@Óïž«9J¼êG m¤ ܯ¹ÌW4€ÐÒÅÛ‡#褕Ÿn-?í|с¥÷Ú¹¬'´ÞÜ9ÓK `hê£SÄSà?7—Wí_´…óB›»:=Ãïq`<8ñÓŒÑlú2d¬ê³£hÖ[l|$vÝro~'R®‰§°ñmY ͧäP |PUª¹·:3Œ[Û{Xÿ ºâ@‚W–Äé u‚ ¯´*=íή.pûÒdt @G‰¬ s¸ ëÉücr ÞæѨÊ@>¤¢Ö±. Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ#ifndef DEBUG_ZAPHOD32_HASH #define DEBUG_ZAPHOD32_HASH 0 #if DEBUG_ZAPHOD32_HASH == 1 #include #define ZAPHOD32_WARN6(pat,v0,v1,v2,v3,v4,v5) printf(pat, v0, v1, v2, v3, v4, v5) #define ZAPHOD32_WARN5(pat,v0,v1,v2,v3,v4) printf(pat, v0, v1, v2, v3, v4) #define ZAPHOD32_WARN4(pat,v0,v1,v2,v3) printf(pat, v0, v1, v2, v3) #define ZAPHOD32_WARN3(pat,v0,v1,v2) printf(pat, v0, v1, v2) #define ZAPHOD32_WARN2(pat,v0,v1) printf(pat, v0, v1) #define NOTE3(pat,v0,v1,v2) printf(pat, v0, v1, v2) #elif DEBUG_ZAPHOD32_HASH == 2 #define ZAPHOD32_WARN6(pat,v0,v1,v2,v3,v4,v5) #define ZAPHOD32_WARN5(pat,v0,v1,v2,v3,v4) #define ZAPHOD32_WARN4(pat,v0,v1,v2,v3) #define ZAPHOD32_WARN3(pat,v0,v1,v2) #define ZAPHOD32_WARN2(pat,v0,v1) #define NOTE3(pat,v0,v1,v2) printf(pat, v0, v1, v2) #else #define ZAPHOD32_WARN6(pat,v0,v1,v2,v3,v4,v5) #define ZAPHOD32_WARN5(pat,v0,v1,v2,v3,v4) #define ZAPHOD32_WARN4(pat,v0,v1,v2,v3) #define ZAPHOD32_WARN3(pat,v0,v1,v2) #define NOTE3(pat,v0,v1,v2) #define ZAPHOD32_WARN2(pat,v0,v1) #endif /* Find best way to ROTL32/ROTL64 */ #ifndef ROTL32 #if defined(_MSC_VER) #include /* Microsoft put _rotl declaration in here */ #define ROTL32(x,r) _rotl(x,r) #define ROTR32(x,r) _rotr(x,r) #else /* gcc recognises this code and generates a rotate instruction for CPUs with one */ #define ROTL32(x,r) (((U32)(x) << (r)) | ((U32)(x) >> (32 - (r)))) #define ROTR32(x,r) (((U32)(x) << (32 - (r))) | ((U32)(x) >> (r))) #endif #endif #ifndef PERL_SEEN_HV_FUNC_H_ #if !defined(U64) #include #define U64 uint64_t #endif #if !defined(U32) #define U32 uint32_t #endif #if !defined(U8) #define U8 unsigned char #endif #if !defined(U16) #define U16 uint16_t #endif #ifndef STRLEN #define STRLEN int #endif #endif #ifndef ZAPHOD32_STATIC_INLINE #ifdef PERL_STATIC_INLINE #define ZAPHOD32_STATIC_INLINE PERL_STATIC_INLINE #else #define ZAPHOD32_STATIC_INLINE static inline #endif #endif #ifndef STMT_START #define STMT_START do #define STMT_END while(0) #endif /* This is two marsaglia xor-shift permutes, with a prime-multiple * sandwiched inside. The end result of doing this twice with different * primes is a completely avalanched v. */ #define ZAPHOD32_SCRAMBLE32(v,prime) STMT_START { \ v ^= (v>>9); \ v ^= (v<<21); \ v ^= (v>>16); \ v *= prime; \ v ^= (v>>17); \ v ^= (v<<15); \ v ^= (v>>23); \ } STMT_END #define ZAPHOD32_FINALIZE(v0,v1,v2) STMT_START { \ ZAPHOD32_WARN3("v0=%08x v1=%08x v2=%08x - ZAPHOD32 FINALIZE\n", \ (unsigned int)v0, (unsigned int)v1, (unsigned int)v2); \ v2 += v0; \ v1 -= v2; \ v1 = ROTL32(v1, 6); \ v2 ^= v1; \ v2 = ROTL32(v2, 28); \ v1 ^= v2; \ v0 += v1; \ v1 = ROTL32(v1, 24); \ v2 += v1; \ v2 = ROTL32(v2, 18) + v1; \ v0 ^= v2; \ v0 = ROTL32(v0, 20); \ v2 += v0; \ v1 ^= v2; \ v0 += v1; \ v0 = ROTL32(v0, 5); \ v2 += v0; \ v2 = ROTL32(v2, 22); \ v0 -= v1; \ v1 -= v2; \ v1 = ROTL32(v1, 17); \ } STMT_END #define ZAPHOD32_MIX(v0,v1,v2,text) STMT_START { \ ZAPHOD32_WARN4("v0=%08x v1=%08x v2=%08x - ZAPHOD32 %s MIX\n", \ (unsigned int)v0,(unsigned int)v1,(unsigned int)v2, text ); \ v0 = ROTL32(v0,16) - v2; \ v1 = ROTR32(v1,13) ^ v2; \ v2 = ROTL32(v2,17) + v1; \ v0 = ROTR32(v0, 2) + v1; \ v1 = ROTR32(v1,17) - v0; \ v2 = ROTR32(v2, 7) ^ v0; \ } STMT_END ZAPHOD32_STATIC_INLINE void zaphod32_seed_state ( const U8 *seed_ch, U8 *state_ch ) { const U32 *seed= (const U32 *)seed_ch; U32 *state= (U32 *)state_ch; /* hex expansion of pi, skipping first two digits. pi= 3.2[43f6...]*/ /* pi value in hex from here: * http://turner.faculty.swau.edu/mathematics/materialslibrary/pi/pibases.html*/ /* Ensure that the three state vectors are nonzero regardless of the seed. */ /* The idea of these two steps is to ensure that the 0 state comes from a seed * utterly unlike that of the value we replace it with.*/ state[0]= seed[0] ^ 0x43f6a888; state[1]= seed[1] ^ 0x5a308d31; state[2]= seed[2] ^ 0x3198a2e0; if (!state[0]) state[0] = 1; if (!state[1]) state[1] = 2; if (!state[2]) state[2] = 4; /* these are pseudo-randomly selected primes between 2**31 and 2**32 * (I generated a big list and then randomly chose some from the list) */ ZAPHOD32_SCRAMBLE32(state[0],0x9fade23b); ZAPHOD32_SCRAMBLE32(state[1],0xaa6f908d); ZAPHOD32_SCRAMBLE32(state[2],0xcdf6b72d); /* now that we have scrambled we do some mixing to avalanche the * state bits to gether */ ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE A 1/4"); ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE A 2/4"); ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE A 3/4"); ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE A 4/4"); /* and then scramble them again with different primes */ ZAPHOD32_SCRAMBLE32(state[0],0xc95d22a9); ZAPHOD32_SCRAMBLE32(state[1],0x8497242b); ZAPHOD32_SCRAMBLE32(state[2],0x9c5cc4e9); /* and a thorough final mix */ ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE B 1/5"); ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE B 2/5"); ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE B 3/5"); ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE B 4/5"); ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE B 5/5"); } ZAPHOD32_STATIC_INLINE U32 zaphod32_hash_with_state( const U8 *state_ch, const U8 *key, const STRLEN key_len ) { U32 *state= (U32 *)state_ch; const U8 *end; STRLEN len = key_len; U32 v0= state[0]; U32 v1= state[1]; U32 v2= state[2] ^ (0xC41A7AB1 * ((U32)key_len + 1)); ZAPHOD32_WARN4("v0=%08x v1=%08x v2=%08x ln=%08x HASH START\n", (unsigned int)state[0], (unsigned int)state[1], (unsigned int)state[2], (unsigned int)key_len); { switch (len) { default: goto zaphod32_read8; case 12: v2 += (U32)key[11] << 24; /* FALLTHROUGH */ case 11: v2 += (U32)key[10] << 16; /* FALLTHROUGH */ case 10: v2 += (U32)U8TO16_LE(key+8); v1 -= U8TO32_LE(key+4); v0 += U8TO32_LE(key+0); goto zaphod32_finalize; case 9: v2 += (U32)key[8]; /* FALLTHROUGH */ case 8: v1 -= U8TO32_LE(key+4); v0 += U8TO32_LE(key+0); goto zaphod32_finalize; case 7: v2 += (U32)key[6]; /* FALLTHROUGH */ case 6: v0 += (U32)U8TO16_LE(key+4); v1 -= U8TO32_LE(key+0); goto zaphod32_finalize; case 5: v0 += (U32)key[4]; /* FALLTHROUGH */ case 4: v1 -= U8TO32_LE(key+0); goto zaphod32_finalize; case 3: v2 += (U32)key[2]; /* FALLTHROUGH */ case 2: v0 += (U32)U8TO16_LE(key); break; case 1: v0 += (U32)key[0]; break; case 0: v2 ^= 0xFF; break; } v0 -= v2; v2 = ROTL32(v2, 8) ^ v0; v0 = ROTR32(v0,16) + v2; v2 += v0; v0 += v0 >> 9; v0 += v2; v2 ^= v0; v2 += v2 << 4; v0 -= v2; v2 = ROTR32(v2, 8) ^ v0; v0 = ROTL32(v0,16) ^ v2; v2 = ROTL32(v2,10) + v0; v0 = ROTR32(v0,30) + v2; v2 = ROTR32(v2,12); return v0 ^ v2; } /* if (len >= 8) */ /* this block is only reached by a goto above, so this condition is commented out, but if the above block is removed it would be necessary to use this. */ { zaphod32_read8: len = key_len & 0x7; end = key + key_len - len; do { v1 -= U8TO32_LE(key+0); v0 += U8TO32_LE(key+4); ZAPHOD32_MIX(v0,v1,v2,"MIX 2-WORDS A"); key += 8; } while ( key < end ); } if ( len >= 4 ) { v1 -= U8TO32_LE(key); key += 4; } v0 += (U32)(key_len) << 24; switch (len & 0x3) { case 3: v2 += (U32)key[2]; /* FALLTHROUGH */ case 2: v0 += (U32)U8TO16_LE(key); break; case 1: v0 += (U32)key[0]; break; case 0: v2 ^= 0xFF; break; } zaphod32_finalize: ZAPHOD32_FINALIZE(v0,v1,v2); ZAPHOD32_WARN4("v0=%08x v1=%08x v2=%08x hh=%08x - FINAL\n\n", (unsigned int)v0, (unsigned int)v1, (unsigned int)v2, (unsigned int)v0 ^ v1 ^ v2); return v0 ^ v1 ^ v2; } ZAPHOD32_STATIC_INLINE U32 zaphod32_hash( const U8 *seed_ch, const U8 *key, const STRLEN key_len ) { U32 state[3]; zaphod32_seed_state(seed_ch,(U8*)state); return zaphod32_hash_with_state((U8*)state,key,key_len); } #endif