Lectures
UIHEF-sh.eu#iceeoi-K--pm=f ¥*E¥¥##¥E#⇒#t ! ! ! :o) I :H÷¥¥ N#E¥¥I#⇒I#MI# n¥¥¥¥¥¥i÷÷¥¥¥¥¥ m . .
years '¥÷% if z=uuk~w"① O = known 0000 0000 0001 " I 000 0010 . ' °o° oooo CK ion ok p→I÷txxiEc " " " " . ⇒¥*÷÷÷÷±n ' # 0 xnx ion :÷÷÷÷÷÷÷÷÷.t÷÷÷÷÷:÷ :¥÷÷ ¥¥ . . , ! ! output HLF 'D , k , prob . 0000 0000
Lecture m & : : ; ÷ . m .
m & ! ! :) amina . E÷¥¥ " I#¥#TI#⇒##¥7#⑤i÷÷÷ , Haha , r . A#¥#TT#⇒M#eyI#y¥# . ⇒ f Keith # feel ¥ : r.at#E*n***t**t ' r . iI#¥¥#¥h#¥E# in . ÷ ! ) " I#¥¥I##¥I¥¥T# . tI##¥##E¥7#¥F# :c " time . . . .
Kick fkz.tk Milinda p→h¥→x← . Ki .Hi÷ia§i%÷÷i¥¥p÷ f.org?.w..9fa.k : ← e : ' until Initialize ' fork , H I now K , Aka = 0 E Kilkis ! ! :÷¥÷qfgc ⇒ Time :( Kil ' - kid " " " " " em K . kink . - ⇒ . I c. HE ] - Ki - :* . " - Diede ) l l ' X M - ! ; ; , if ' ' et - kid x IK , I oskegisk.e.k.tl# return
th - . / K Kr -5 ka , R I = - KEK KEK . → Ttf 's × ¥7 ← Time kitfor kn k.ee : phase rwa - d c p hash map H Initialize . k , Ike H ifor k : : " Katina , e ! . h . ! . : :# ¥÷÷¥ ÷÷¥ii**⇒¥ , K backward phase . - for k , Ike , ki µ : e " his :c :S ' : : if x e- H c . : ! kiz.kz ' ! , HE ] ! return .
H for to What use - J → does it fit t read ' access writes Random - Ha > hmap in - → → Seq reads RA Memory - Array writes t Sort access . + . → if it doesn't fit in access writes + read . - Array + Sort ( x z ) Seq → a :÷÷÷¥÷ . . ↳ E : : : : it : It deped . µqY÷§÷ between forward and backward " - ③ find matches entries . :¥÷÷FI÷E¥¥FIf :* : :* ÷ : : : :c :÷÷ , ↳ " Tt tu we aint 'd ? f ! expensive . Actually ' since ng we have uniform random 0 ( N ) in entries ⇒ log log ( n )
Differieuhialcrgptanalg.is
0④o'isaPR€ p ¥sTyt¥⑦¥§E Lemme : given peep , some . ↳ ( c. ④ ez PPR - Ain you , . Z 34567 PSA g. 543¥ O ' + ⇒ Ain BC DE Fy E 4 GAD 7038 FC 5g B i⑦⑦- I z ( x ) ⑦ B 5 l F I = 0 . . ④ G ( x ) 4 3 2 2 I = Algy . ( xD 7 A ④ D 4 5 1 = . : : : salep . compute ECR ) ④ EGP F -0C =3 B A , ⑦ 1) = day if C 5-05 D , Hout = c : 7 . ④ 2 3 = l = F E . Taaul ! counter y # . , ④ Ain =L P Pez = I C DE F) P JA 01234567 B = ( Houy = if L O → Z O O O 4 O 20 y O O 2am 2 O O .
" p #¥EEf¥fEfso c I ? .BE#z Yu % Aint ⇐ - to 'o :3 :{ 8193 # EEE :# ' ou sum . . - " prob '¥az s ' ° , pzt with t 7- → s p ¥ ¥6 DDT Difference Distribution → Table . . - Att 4-26 5-3 D 2-7 D - sp 7- → g s fo . . all Ain ' . . itunes .ie . . ÷ Row IS ④ Sfx ④ Ain ) ) it - . " Add Row to DDT . ' return DDT .
p :¥÷÷÷⇒±¥i±n÷⇒*E " " " . ' en 2-4-23 it . 54.25 .
. ¥Ia plaintext ta b fHf7-stoc-oI-slfI-sotcfyo-xf7oHfaa-ttft5o_oar@y.o I ⑧ . a b o a Ha Pik . so :* :÷:÷ . # add point to lez i. . > Mf -0¥ o_0 with highest paint , . ⇐ pick the he d -217ft kz →¥¥ki LEE -04 'F¥* . ④ 4) ④ fff c. ¥11 ' e. i ' , C , ciphertext
Project luokforprojec_T ⇒ analyze candidates ⑦ LWC . ① Competition a cipher > ing → you de . Others analyse your cipher → . ③ Automated analysis . ⇒ Individual .
TCI
" ooo ↳ B F 6 7 89 A 3 45 C D E I b 2 32 → [f→④t b . 2 I § } ° Is 6 4000 O → IIHF I ¥7 13=64 I ° ? 4000 9010 B - HEHE nooo - fo , > % . R - I b - ¥ - ÷ ooo Rif now .pe#TKToY=9iM=z-rIgg-IsfsEfso . °4oB¥o#* " " ' pipe o ° Oo o o § - O 00 O 0610 4478 .
Lecture 6 . F 6 7 89 A B 45 D E 3 C I 2 I - °/→L7EoEI→ot 2 " " y X 5 E Inp diff IZ 2000 o 8 - set woo HALF . zoo . £ Ji .¥E→÷±T¥ B ' " ¥ . A ° → 02000C zoo ## ° Out diff . nooo → 2000
¥0 fry I test diff - charfinp - diff , out - diff , nrof - samples ) : ooo differential Aooo ¥7702000 counter o = - samples s nrof , for i : Ain , uniform random , µ , pick 1 i 2000 P1 - oooo :¥⇒:q÷µ÷ - cliff ④ inp i ( p , =p , → tffse : . iii :c : : :c :* :c : : X ) . ' Howl ④ Cz C i = I , l z-o.ie ⇐ out - diff : ' ; if Hout ' I 2000 , 0000 , ! counter I ' dont 1→Iz→* " et , . ' 20€10 counter lnrof - sample ? erefurn g , Goal .
O 2000 " t 't .s⇒¥ the - Eto A 00C ¥ : : § A' IF ⑤ : ⇐#⇒¥t¥i¥¥ Et 2ooo€→→¥£k , . 1¥ ④ I ' Q= [ ¥#q→ µ 9¥45 # r ) ) -04+04 ! ) " " - HF→Et*⇐k = ofsflskr ' ) ) -06 , ⇒ * ⑦ woo . ) we dont know value ↳ → Et→Iof→o←k⑥ = AR -02000 . Q § ↳ candidate fork ' , Ap ? Cr AL E .cc '
.oo÷⇒h÷ . . / O 2000 attach ( Ain " t 't .÷⇒⇒÷ , A. at char . rounds , pairs ) : ¥→o → to , I fo ✓ his Ekg char : ⑤ \ ; . counter ' =o l Z it :c : : 'd : :S :c : ::÷÷ . . ' ' l ' l Cz l = - . - - ! ! : if ¥p if counters ( paint ; : : . as prob key k ; output ! ! .to#-kx HEHE , . ¥¥E⇐I ' Em 't " ! ↳ I mp.i.si ; ! ! ALc€\ Apa . ' Dala :P . Cr ⇐ .
Implementation Guide : - hey = OX 1234 ⑦ encrypt ( decrypt a test zi6 , . . → test the characteristic . n attack ② design - t teal implement partial encrg.pt/deeugph fo he ③ . e ; , keg guessing attack the ④ Implement w . . for ie Fox 1230 his known key - ox 12317 ↳ with . . run . .
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