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. noir .rND—CcA cetcv-t.

Hoia.$o n,jrt (?SM fltD-Cc4 çee.vv’t7

= ‘Dpcr ekcryp4tPe p4äJi’ij’ Es(Let me5q yn be t bt

Aã k0 Th o4 (t.nc)omflt$s r1 k0

v (+o k&’)

Assume

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.&,14 rbnbw rzdeS’

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syrnrehiz encry,&stJ

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TOPIC:

BIB UNDER:

L

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L I

xt(moc r)

o rk RcA‘nNvt OAP

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ño- present

e\s o4* rn

OAPIt,

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TCPIO.

_zzI L W 7

Theon.m: R$A wr4s CARP is

settart, aSS%4Mn, 1?c*1$or 6’- L H,

anà dSSwMj Rst keni to ih\ttv+bn

(‘4flIOfr Inpuil.

[3u5 J orrfrp 6 ve

si4 vnoA*e4 es.cesipt?ons (or DARP4)oiP .seJ à

tn we Atn’t- re4Ll k.n. fbnJofl orbJej I)

-

L

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— ;._ IH r HI L I

....[ ].4... L IL

hH[HHI I I——I

4 ,—. .

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I

ZFLt L H

LI. io

Di4ar abptà + Rs 5ecuf?r’

tref Sna’ pper: DO ye of’ .lb41’s RSA]

Weckkeyst srnqII J j’ç ;n5eLure.

(a 0Jiok$ottktt9 tOjVr ‘)

• Pokier mn.ii’J14d ‘k’

• Ttrri;vj 41%&c

• FqwIf n)eckton (intvkaLm paier s..ppIr I;fr)

* as;hCJ CR’r)

nkn

?&rer or (t’x--’) k01 tc-t

in O7flb’t4l flm,e c

‘On a q4fl4L4Ffl Ciwnpw*tr là

Lt

J.cpII.z

____

LI4 ‘L

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r •Dc&;•1 $-1,,}i1re,s

• Icy D;{€ctHc)1niqn ,n

• (Jcw b’reci’cois;vi ttypitp II)

• Fri iwplennt3b’ : RSA (wi?)

• r;t:4) ‘ol.a (wi%’tl, Pk/Sk

(tnt w4- 5eLret key si,n\wvt)

(* P1< á*Lfl,pt? ?& S )1ts Dk ttlh st Ok??)

Ctarr**’ way a ck t*\ srne4wrts

• 1Ctjtn(l) ‘e1S)5&Snin5y

• Sfy (5k,tfl’) (m4) [mi, 6 rnJowea]

• Vertfy (Pk’)m, a-’) Tr4.tc/P.ise (ctcrapt/reject)

Corrtcknesc’

(Vm’) Wr*7(Pc rn Srn (SWn’)) =

---

JI iIL

.-c)plc

FIL

Sacirc4 of J%\ srjnq%n,cSwie:

Def: (weak) ecs ntaic.rn’(oraifli4y i.inJw

cakapkWc tkas<b, fl’t5q,t qfltLL

Q Lk41lncr oiwins (PW, SK’ 4,,si k(ey7eo&ék)

• inch pk to AcLoory

® AAversa7o6%n$ sr)nq%4ts tD

vn

b- Tht.5t9t5 £- k; ckbtte. +lea

ongA m tn1 .Lopend.n5)fl.1%flhit fI)fl’L)t.yThj,

Let

4Jws*y OUtputs pøfr

Ackienary wins

m .

•

ts Secure. &1e. e)ç ‘3eb,tjy wn{or ,kk

A.%t€ à,osev rr,escae

?ro[4ck’ wins’] =

*EEE

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ftC

>....

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-b

£.zz

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