Critical Thinking Assignment 3-2 PDF

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Critical Thinking Assignment...

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Cr i t i c alThi nki ng32:Compar eCi phe rTool s The r ear eav ar i e t yofonl i nec i phe rt ool st ha tde mons t r a t edi ffe r e ntc r ypt ogr aphi cal g or i t hms . Vi s i tt hewe bs i t eCi phe rTool s( r umki n. c om/ t ool s / c i phe r / ) ande x pl or et hedi ffe r e ntt ool s . Se l e c tt hr e et ool s , oneofwhi c hi sme nt i one di n t hi sc hapt e r( ROT13, One Ti mePad,e t c . ) .Expe r i me ntwi t ht het hr e edi ffe r e nt t ool s . Whi c hi se as yt ous e ?Whi c hi smo r edi ffic ul t ?Whi c ht oolwoul dy ouj us t i f yt obemor es e c ur et hant heot he r s ?Why ?Wr i t eaonepag epape rony our anal y s i soft het ool s . Sot hefir s tc i phe rIme s s e da r oundwi t hwa sc a l l e d“ Pl a yf a i r . ”I fIwa si nt he bus i ne s sofc i phe r i n gIwoul ds a yt hi si snotapa r t i c ul a r l yha r done , buti tc a ns t i l l bec onf us i n g .I ti sba s e dont hea l pha be t ,a sma n yc i phe r sa r e ,a ndpa i r sofl e t t e r s . Thepa i r sa r eus e donagr i dt ofindr e pl a c e me nt sf ort hel e t t e r s .Thet r i c kypa r t c ome sf r omonel e t t e ri nt hea l pha be tbe i n gl e f touta ndr e pl a c e db ya not he r .I ’ d s a yt hi sc i phe ri snott hemos ts e c ur ebe c a us eIc a nunde r s t a ndi t ;ho we v e r ,i twa s us e db yaUSPr e s i de nt . Ne xt ,pl a y e dwi t hROT13f orabi t . I ti sav e r ys i mpl ee nc r ypt i onme t hoda nd t he r e f or ei snotv e r ys e c ur e . Iwo ul dnotus ei tf ormuc h.Pe r ha psIc oul dt e a c hi tt o mybr ot he r sa ndus ei twi t ht he mt ok e e pt hel i t t l eki dsf r omfindi n gout .I ti se s s e nt i a l l yj us tpl a i nl e t t e rr e pl a c e me nt .Wr i t ey ourme s s a g er e gul a r l ya nds hi f tdo wn 13l e t t e r s .I twoul dbee a s yt oma k eapoc k e tke yoft hi sme t hod.Thi sc i phe ri snot ha r dt ous ea ta l la ndIhone s t l ywoul dn’ tr e c omme ndi tf orc i phe r i n ga n yt hi n gi mpor t a nta ta l l . Fi na l l y ,It r i e doutt heOneTi mePa dt ool .Ic a ns e ewh yi ti sc ons i de r e dt he be s tc i phe r .Tha ti sbe c a us ey ouc a nonl yus eapa donc e .I fy ouke e pt heme s s a g e s s hor ta ndne v e rr e us eapa d,t he ns t r i c t l ys pe a ki n gi ti si mpos s i bl et oc r a c k. Buti f s ome onewe r et or e us eapa d,t he nt hewhol ec i phe rwoul dbec ompr omi s e ds oi t doe sr e qui r es omeupk e e p.I ’ ds a yt ha ts e c r e c yi swor t ht hewor kbutIdon ’ tha v e ma n ys e c r e t st os ha r es oIha v enone e df ort hi smuc he nc r ypt i on.Thi sonl i net ool i se a s yt ous ea tl e a s t ;Iwoul dn ’ twa ntt odoi tb yha nd. I fIs e r i ous l yne e de ds ome t hi n gv e r ye nc r ypt e d, Iwoul dus el a y e r sofc i phe r s . Tha twa ya n y onet r yi n gt oi nt e r c e ptmyme s s a g ewoul dnotkno wwhe r et o s t a r t .Oneme t hodwoul dl e a dt ot hene xta ndi twoul ds e e mv e r yobs c ur ef ora n yonet r yi n gt oc r a c kt hec ode .Ia l s ol i k e dt heCol umna rTr a ns pos i t i ona si ts e e me d s i mpl ee nou ght ous ei fIwa st r yi n gt oc a s ua l l yc on v e yas e c r e tme s s a g e .Soma ybe I ’ ds t a r twi t ht ha t ,t he nus eROT13f orf un,a ndfini s hwi t hOneTi mePa d. The n

s e ndt hee nc r ypt i onvi amor s ec ode .It hi nkonl i net ool sl i k et hi sma kec i phe r s muc hl e s ss e c ur e ,a si ti se a s yt ot r yma n yc i phe r sa tonc e ....