Schneier - Security PitfallsDDTEXtREAd@o@o H@o@o>@o"@oGSecurityitfallsnryptography byrucechneier Consultantounterpanxystems http://www.c`m/ s@߀ڃMagaziXarticlesikeoescribeoyroduct20oflgo hPandeyength.magooddites:hxcan Xexplapd)aewordI'r(asy pawnohr. "128-QeÌd." "Triple-DES s40'"weak' 204CRSAstІp1024." ButealYisn't9tim8. Longdoalwamoȅۉphic_lockourrodoo(Mos[save1metalins,hcfh=tenositipseقSHularnfigura.ɂ(0gHmlrrectly,)~peqS1only,000sibl aurgwillingrlguar0ebkphous`Yrov`2z—h)108Hbabwj/rڐͅeveO( rute-forXattack);HHn 8nougoX n@R Pp).Ԟ smashXndowkHY0disguiselv@aslicemen, 8holde`gunpo.ϧhrqricniafeathom40thiaw=w CÜkhelphe s. StgOxwerful`@yght,Rnacea.ocusӬ?GؗXج !pجF9nd!8builګn9rji\Pputt*psgaho@hadsaru*i8SmӐ!auHgoU𸏸hyeesqalyZ0!?A.׊wospublishXtocol)ٶ@kamh8ctu!t8e';I`HivacبX(di" vairDfaci 0mePкzsoftw,nd-al hard9H`pweeSbrok೩sjal{fݹbypaseW2!̩]2*flawyexploerrRҥhX(4StimPin0anermat˒ AAݿsa@i$<((K9A$ACDs Aomʻb`Ȳ G1gl Yat7ne-huncsagHucreliQB;nyĊPA㰲.it'Lyxw(hiˇmr__X 堟8"voiÝranty"ir_1ô``perly:1lJoeizvaluere domXrPs(`nɐyed;soE׶nec9ridataegQ.exnpV it!r0i1.ɤ8ڱ6Pj(,f9`--rll--ewqs񙀨ФYtghaiѥxp(S/lhmoXlugg<3xpx#qgoopneyknowmk0fffoInouH*rob;ؾU.S.culaφ7iR -numbge`atIQaacб.Lj1ӂςϻ]becaLR;depends onhearticularsfhardwarendofti.anyroductsexamineseadnes.Ԃcryptographyayetrong,utKrom-numberenerator,e)akeys,bsystemsuchasitorH.φsecuPWWPy@yon'tbenoughsmake. RecentlyounterpaSssublishedewlassattacksgainst]asourorkithommercialesign(Otmosurprising0'vepdtha0pecificόωzff`rpo)no;lizityaly9dangeroushInesearhHult,look@iYactions tweendividualxh(tocolpGivaEՃBshow !uilwBwillSfirpPb y@djame⎑devicAAImplem as zsaiecaa8mistЈ׉@.oȁ͗en(pl@tex0eyqft'sed5Iporarylyectdata(d@crash, virtemo` i+avabl ;a8featsa ccidIlealyғ(dr. r`Xop*@۪ioiyԛsQwГpnputXPÌȉlecpyIidAmgoodܮ;Ubrn⌘Аfa opsubtmPItim)ٯwoffer(ɲBAymark(ne-ssB.ר‡<ϩѹZ0inȊabo Oalsok]Rinadequat1mechanisX,nXre+<džIvihsiQwa`hPr, u^obvi8s ElؾбLoѤ/tr-offenusabilЌ=vuli`eae3!1Hﳠqic,i8.occQconcoɀdxmightier80wykPdamag9馡fe1urs?åud?fdHh¦ڏ|r?Ʌط"hotl@s";ts rveruitful$ rePs:copsȞarH؀׫ovar"Sll`eڅKrgy9vAa1.Ǩ'hUI|oۯexȮshorQi;EənegQbenefpȱcUlJ*JFurA1,iYbHc ¹mselvihZYfJl?@ald,awsbowcrimlb fr߀xlegHHCiAoftw'sefaulteakity@tt(Good`sign'tixllq8sociprobl,utnelpvoidHnym. AttacksgatailRecovery StroQJ3edoeep9@brXromHmYbig`eIkHlhouldrowraBerd򁊎h0rivApzwhPse-engineqaϊ؃onlears@rets1thatWd,JinmatiwiXJhi˖/(z.ɓmi-,nowponH ؏he!elsMQhav( "mЕ~mode."ɜÔfeatYdoesyxk,h(peopP nAndnishtbu8esXon-l( dꍠaaLiownerɌP *l-PSimilarlyH@ometimeso(moun@ "arollb"ԑ#aft@haseevz7t:{e1覠 bilzc2tocol؛Оoldre,Y1OۏxT23disarFgb,r(w`\it.ƬelecAic6, ich`Blf Yb(cu`magu0=,X蠙spo船,jupgradǝHtvoXұhr"bhXэ0(wed"n;hyouX0pannsiЗappXw)cpdxs@tzB@׭wvACrypto phq5,QducXnecXٜ`ؾлhprietaenz!algohInvariabz).Ýer0eӧ1dPuccY1publs; r dž98bPKPvDm輘impmeanalysiy--takads`?bextcϻw(zeS/MIME 2c-mai8t8Btoo@Ѹ@vs)gEy@809_g ӰDyDVDWyGmA)` We's!mq!":_rep@ "unique" valu)digita{O dejara@huncalsp鼹3ti(Xy'be)0. _bskp;!tendXb ls'j9"omiȨ8eemriviGyl¾!i|ЖnvD* MogieO&HTomeaؼϧ@k`eoch8@,y:aB9.bnarrowxEalsoq1Weffh1b`Ilnci–so8rer,Ahfulhb unexp8˟Ƕehnدhyorȹro@伂7WȜq8dohimy:XMo񃵳Qok[,`d B:mulgzw`yiupd1ol#lioȳ,HmHyxru@Ƚ׭tc.nptu@X,3ioughPtaPv udиilfmodificϼϼ˨(derableorknecuringuditogselectronicommerceystems,ostlyresponseoesignshatuldail9pletetheventfuccessfulttack.heav*dorhanXt0 P:yuslsoe jprodu(evidenp0conviaudgndPryguilt. B@d9SeryptographS4 ity4ersccupyyPrussigealarlonlausewitzlls "positi(interior."oodtdefe(again`Hphsiً,||1n'tinedet., xo rndnehHfionuflawiord91h"ollude,ispirP1wafoechnoyQgiihhadXtoolsDmqwayр= oughК+e㐯sas•badly댪difficul`well.ntunayeo8 er.ɑ@arɛuci,unc1serveXDtifromb:@Qsalgohmibetai;\nlookh@-arischarth s.ʟbecaHAg8oesIme8(#.טKppe(hsome)`dsppli`h8choosNpto,smak0PJ;thinhe'nXHYnoFqu)pknomou aٍڗ rݬhon>(y"buzzlt";[AuyB H paX-Åerpa-?y(E-M ̉ Br S0eiBioBlowfish8TwoTYarrowPublicaЄQntp! CopyriQ1998'\I