Encrypted Document Analysis - Prof. Jingke Li, Study notes of Computer Science

Download Encrypted Document Analysis - Prof. Jingke Li and more Study notes Computer Science in PDF only on Docsity! 
   
    
    !"#! $&%('&)+*,%.-+/0.132 46578956:; <=?>A@ ; <B?C 5ED; <FG7H9:I3J#KMLHNPORQTSUK?O?VXW<DZYS6[N\]^L[HVP_`W8=aWab 98c 9b#d89F8Wcece; <EF3W7>:8fWB :f; 9<gihj>f578956:; <=k; >+>fdH=?B?; l=?DZ7nmpoq[Tor.Os ot\ uJ+OGV ] v6[o\fS6KMOsW<Dwo.xELHQuyLY+o6N\]^L[VRg z S6[T\] rtOG{SRJJ+LKP\M| } WB Ip; <>: W<B?=X9b#>57E8956:f; <E=X; <n~n9UBPWR:; 9<wWR:85<U:; ce=X; >+BPWC C =MD,W< o6N\]€RoE\]^L[ig } WBfI,WB :; ~WR:; 9<pIEW>; :>9?X<.‚Pƒ„n… †‡EˆMsBPWC C =MDwW< †‰PƒŠ ‹n†6ƒ^Š„nŒ&…Mˆ ‰ „n…MŽG‘“’Usnb 98+>:98; <F3DEWR: W”W>>9UB?; WR:=?DqA; :Iq:IE= WBM:; ~WR:; 9<•–WBM:5EWCW8F5ce=?<n:>PsUC 9UBPWCE~W8; W7C =M>Psn:=?ced98W8; =M>Ps68= :5E8< ~WC 5=sU=M:Bg —w˜ 98cqWC C ms6W<wWBM:; ~WR:; 9<Z8=MB?98Dw; >+B?8=PWR:=?DpAIE=M<wW™>f578956:; <=k; > ; <n~n9š=?DZW<Dp; >AD=M>:89Pmn=?DqAIE=M<q:fI=a>57E8956:f; <=k8=M:58<> —Z› I=kDEWR:fW3W>f>9UB?; WR:=?DqX; :fIp=?WB IwWBM:; ~WR:f; 9<p; >; <DE=Md=?<D=?<n:`b 89c :IEWR:+b 98+WC CT9R:fI=?8WBM:; ~WR:; 9<> —wœ W<nmZWBM:; ~WR:; 9<E>“b 98“:IE=k>fWcq=X>5E7895:; <E=ABPW<p=M6; >:WR:9<EBM=sW> ; <pWG8=MB?58>f; ~n=™895:; <E= ž V VSO?V”\LqV\fSHQu“| —w˜ =?>:=?DZ>B?9d=M> — 4U57E8956:; <=?>+W>+dHW8Wce=M:=M8> — 4U57E8956:; <=?>+W>+8= :5E8<p~WC 5=?> —pŸ W8fWce= :f=M8+dHW>>; <FGce=M:I96D> 
   
    
    !6 i! ¡£¢ 1”0¥¤¦$&%('&)*w%.-+/0.1§/R2©¨ª¤e««P13¬®­­R­ ¯“° OZ±o² ²^OMKa³ — WC C 9UBPWR:=M>AW<pWB :f; ~WR:; 9<p8=MB?98D.@^ha´X_–b 98“:I=aBPWC C =M= — = ~WC 5EWR:=?>“:IE=aWBM:5EWCTdEW8fWce= :=?8>AW<DZ>:f98=k:I=?cµ; <U:9G:I=aha´ — >:98=?>AWG8=M:5E8<,WDED8=?>>“; <n:93:fI=aha´ — ; b#<=?=MDE=MDsU> WM~n=?>k@ >f9ce=P_“8=?F; >:=M8~WC 5=?>+; <n:9G:IE=kh™´ — >:98=?>+:fI=aBM588=?<n:h™´¶dH9; <n:=?8W<EDZ5dDEWR:=?>+; :+:93d9; <n::9 B?WC C =?=· >ha´ — :8W<>b =M8>ABM9<n:f89C:93:I=kBPWRC C =M= ¯“° OZ±o² ²^OPOG³ — >fW?~n=M>a@ >9ce=R_`8=?F; >:=?8“~WC 5E=M>AW<DZ9:IE=M8cqWBfI; <=k>:fWR:f5>+; <6b 9 — ; <E; :; WC ; ¸?=M>; :f>C 9UB?WCDEWR:fW3W<EDZ7H=?F; <>+=M6=?BM56:f; 9< 
   
    
    !6¹i! º¼» *,0¥½¾1a-A%.)X0(/0(¿À­­­ ¯“° OZ±o² ²^OPOG³ — dC WBM=?>+8=M:58<Z~WC 5E=G@^; bi=M6; >:> _+WP:XWGdC WBM=k:IEWR::I=aB?WC C =M8+BPW< WBMB?=M>f> — 8=M>:98=?>+BPWC C =?8M· >+ha´Ád9; <U:=M8W<De9:IE=M8“8=MF; >:=?8>A5>; <F™>fW?~n=?Dq; <b 9 — 8= :f58<E>B?9<n:89C:93:IE=kBPWC C =?8 ¯“° OZ±o² ²^OMKa³ — B?W<ZB?9dnme:IE=k8= :f58<=?DZ~WC 5=k; <n:f9”; :>A9PA<Zh™´ Â,ÃÄÅÆPÇRÃEÈtÉiÊEËiÅ̖Ä&ÍÏÎeÊTÐÐ^ÃÈw˖ÆnÑqÎeÊÐÐ^ÃÃTÒ › I=X8=MF; >:f=M8Ó> W?~6; <EF3:fW>šeBPW<p7=X=?; :fI=?8+D9<E=X7nme:IE=kBPWC C =?8Ms6:I= BPWC C =?=s98+>fdC ; :+7= :=M=?<Z:IE=X:9g —pÔ 89cÕ:IE=XBPWC C =?8M· >dH9; <n:+9b#~6; =M™sU; :<E=M=?D>“:f9”>fW?~n=A:IE=k8=MF; >:=?8> :IEWR:IE9C Dq5E>=Mb 5CHDHWR:fW6sU8=MFnW8DC =M>>AI=M:IE=M8+:I=aB?WC C =M=a; >AWB :5HWC C m F9; <FG:f9G5E>=™W<nmq9b:I=a8=?F; >:=?8> —pÔ 89cÕ:IE=XBPWC C =?=· >d9; <U:+9bT~; =M™s; :A<=?=MD>+:9”>fW?~n=X:I=a8=?F; >:=M8> :IEWR:; :?· >+F9; <FG:9”5>f=s68=?FnW8DC =?>>+XI=M:I=?8“:IE= mqB?9<n:fW; <wW<nm 5>=Mb 5CEB?9<n:=?<n:> 
   
    
    !U֖! ×ÙØk-+/PÚe¤”-+/P*,0Û½¾13Øk*p)¬2 › I=XC W?mn956:9b#h™´¶=?<n:8; =M>XD; ÜH=?8>“b 89cµW8BfI; :=?B :f58=a:9eW8B I; :=?B :f58=s W<EDqb 89cÕBM9cedE; C =?8`:9”B?9ced; C =?8Mg ¯ uJi]^NPo²`O?[T\Kf]^O?V| — z O\fS6Kf[o6QQ6K?O?V V™³Ý:IE=aWDDE8=?>>+9b#; <>:f85BM:; 9<Zb 98“= =MB?56:; 9< WRb :f=M8+BPWC CH8=M:5E8<>G@ =g Fg#:fI=™WDD8=?>>9bT:fI=3N?o² ²; <>:f85BM:; 9<wÞàßR_ —Zá N\ So²J`oKMor.O\O?KfV™³Ý:IE=k>f= :A9bdHW8Wce= :f=M8>dEW>f>=?Dq:9G:I= b 5E<BM:; 9<eb 89cà:I=aB?WC C =M8 — z O\fS6Kf[y€Ro²SOG³§W™dEC WB?=b 98“>:98; <FG:IE=Ab 5<EB :; 9<T· >“8=M:5E8<q~WC 5= @ 98W3d9; <n:f=M8`:f93:I=a8=M:58<p~WC 5=a; b; :?· >B?9cedC = H_ —Zâ LENPo²“QEo\oZ³ã>:98WF=kb 98+C 96B?WCH~W8; W7EC =?> —Zá NRNPO?V Va² ] [äw³§dH9; <n:=?8“:93:IE=k<E= 6:WB :f; ~WR:; 9<p8=?B?98Dp; <pBfIHW; < b 98WRB?B?=M>f>; <F3<9<6ÓC 9UBPWCHDHWR:fWq@ =g Fg–C =M6; B?WC C mq=?<B?C 9>; <FGb 5<BM:; 9<T· > ha´X_ — ±+L[\K?L²i² ] [ä,³ãd9; <n:=?8`:9”BPWC C =M8?· >XWB :; ~WR:; 9<p8=?BM98D — {HoU€OQ,rto6N ° ] [OaVR\oE\fS6Va³ãIE9C DE>+; <6b 9”W7H956:+:I=kcqWBfI; <=3@ ;^g =g 8=MF; >:f=M8>?·U~WC 5=?> _å5E>:+7= b 98=X:I=kb 5<BM:; 9<Z; >+BPWC C =MD — ¯ OMrqJ+LKMoK ]^OMVa³ã>:f98WF=kb 98BM9cedE; C =M8ÓWC C 9UBPWR:=MDq:=McqdH98W8m 97Uå=?B :f>k@ =g FgiDm6<EWce; BXW88W?m6> _ 
   
    
    !
i! $t-+¤eت¤e2`13¬¥×Ù½ ×Ù«R«R*.Øa¤”-+/P*,0  IE=M8=k; <pce=?ce98me>IE95C Dqha´>+7=k>:f98=?DT•i>:fWR:; BaW8=PW6s>:fWB šHs698 IE=?Wd á [V OMK| › IE=k<HWR:58fWCH<=?>:f; <EFG9bi>f57895:; <=ABPWC C >AcqWš=M>“; :=PW>mq:f9 WC C 9UB?WR:f=kh™´+>+9<pWG>:fWBfšg“4n:fWB še; cedC =Mce=?<n:fWR:; 9<q; >+~n=?8mZ= ”BM; =M<U:?g Caller’s responsibility Responsibility Callee’s return value actual parameters control link access link saved machine status local data temporaries points to the statically enclosing AR actual parameters control link access link saved machine status local data temporaries return value Caller’s AR Callee’s AR 
   
    
    !
i!  ¢ 1 ¨ *w0&Øa1 » - *Õ$(Øk* » 132 Ô 98C W<F5EWF=?>`:IEWR:A>5dEdH98:f=MDZb 5E<BM:; 9<q<=?>:; <F398+dE89F8Wcµ7C 9UB šU>?s :fI=?8=k; >AWG<E=M=?DZ:935E<D=?8>: W<Dq:IE=kB?9<B?=?d6:9b~W8; W7EC =k>B?9dH=?>?g hj>B?9dH=a; >AW™8=MF; 9<p; <qAIE; B IpWG~W8; W7C =X7; <DE; <EF™; >=MÜH=?BM:; ~n=g`46BM9d=M> W8=X:m6dE; BPWC C mq; <n:896D5B?=?DZ7nmqb 5<EB :; 9<qDE=MB?C W8fWR:; 9<E>AW>“+=?C CTW> dE89F8WcÕ7C 9UB šU>?g   !#"!$&%(')")$+* , - .')"0/
* -, -- !#"!1&* -32416547 8 :9:;=<.;=<>?9
%@&%A'
?* 24$B2
/BC -, -- .')"!D&* -324D6547 8 :9:;=<.;=<>?9
%@&%A'
?* -,C -E547F 8 :9; <.;=<>?9
%@&%A'
?* ,C E547F 8 :9; <; <>?9G%H&%A'
?* C IKJ4LGM=N+OGN4P
Q R&S T
LGR&U4J  )#"!$&* VXWYZVX[  #')"!$&* V W YZV]\  #')"0/
* V \ YZVX^  )#"!1&* VX[  #')"!D&* VX^ 
   
    
    !?_#! ` 1Aa(/Øa¤q« $(Øa* » 1ã½Ù%&«R1 b <D=?8“²^OcE]NPo²iVPNPL?J+Oa85C =?>?sn~W8; W7C =?>W8=a; DE=M<n:f; lE=MDw7nmqC 969š6; <EF 7HWBfšnW8D>“:IE895FIZ:I=(dT… „ ‡U… †Ge ƒˆ:fUƒT:93lE<De:IE=k<E=?W8=?>:A=M<EBMC 9>; <F DE=MB?C W8fWR:; 9<Tg Ô 98+:IE=Ab 9C C 9PA; <F3d89F8Wcws 547gih 7.4Fj* lk4=7mno p "!$&* l8=q Gr: G=g:#8 s'Xt G&A 0=u v l2
/Z7wi =q47)=x'j* v yw4< * 24$8=q Gr: G=g:mh&Fr t G&A 0=u vlk4=7!noF z "{/
* l241#p "m#x!1&* v|7wi =q47m8 }r?* yw4< * ~'w=hF  n "!+* ~547 €h&:/:$4 ?* w<j XI=?<‚p; >+=M6=MB?56:f=MDs6; :+<=?=MDE>“:9”C 9U9še5dwWG~WC 5=Xb 98ƒHsUAI; BfIp; >XW „?…?ˆ ˆ+~W8; W7C =k9b‚Tg › I=k<=PW8=M>:=?<B?C 9>f; <F3DE=MB?C W8WR:; 9<p; <q:I; >+BPW>=a; > :fI=kFC 97EWCD=?BMC W8WR:f; 9<Tg h:+:I=k:; ce=K‚w= =MB?56:=?>?s6:IE=XFC 97EWCƒZIEW>“:fI=k~WC 5=@…Hs6>9†‚Z8=M:5E8<> …?‡jˆ‰Ts6W<D{ˆ4…q; >+dE8; <U:=MDp7nmq:IE=Xd89F8Wcwg ˜ =?W8C mpWC CC W<F5HWF=M>“5E>=kC =M6; B?WCT>B?9dH=g 
   
    
    !
Ši! ‹Œ 0(¤ZŽ¦/ا$(Øa* » 1§½Ù%&«R1 b <D=?8AQuT[orw]NkVPNPL?J+Oa85C =?>?sn~W8; W7C =?>AW8=a; DE=M<U:; lE=MDZ7UmqC 9U9š6; <EF 7HWBfšnW8D>“:IE895FIZ:I=(dT… „ ‡U… †Ge ˆ:fˆf‰=ƒ^Š„nŒZ:93l<DZ:I=kce9>: 8=MB?=M<U:C mp= 6=?B?56:=?DpD=?B?C W8fWR:; 9<g Ô 98+:IE=X>fWce=k=MWcedC =s 547gih 7.4Fj* lk4=7mno p "!$&* l8=q Gr: G=g:#8 s'Xt G&A 0=u v l2
/Z7wi =q47)=x'j* v yw4< * 24$8=q Gr: G=g:mh&Fr t G&A 0=u vlk4=7!noF z "{/
* l241#p "m#x!1&* v|7wi =q47m8 }r?* yw4< * ~'w=hF  n "!+* ~547 €h&:/:$4 ?* w<j +=aIEW?~n=• ƒ ‘’pBPWC C >”“&•‘’&–—G“+•‘4’+–pBPWC C >™˜sG˜pBPWC C >š‚Tg › <p:I; >+BPW>=s
‚Z+95C DZ5>f=A:IE=kC 9UBPWCHD=?B?C W8fWR:; 9<w9bXƒqA; :I; <˜Tg–h+: :fI=X:f; ce=(‚p=M6=?BM5:=M>PsU:fI; >ƒqIHWR>+:I=X~WC 5E=AœTsU>9#ˆ4œq; >+d8; <n:=?DTg } W8C mq~n=?8>f; 9<>9b › 4 Ÿ W<DZ>9ce=k>B?8; d6:; <F3C W<F5EWF=?>+5E>=XDm6<EWce; B >fBM9d=g 
   
    
    !E"F_#! Z T\^_T)UWVXM R  [
4RU*T \6M [@T R  CS!_ MU ¯“° O™VRNPOM[oK ] LE| ƒ&‘4’pBPWC C > ƒbo*m d
e(g+’+–Wm
•TsUAI; BfIp8=M:58<E>Gd
ebg?’+–j— ƒ&‘4’pBPWC C >Gd
ebg?’+–j— d
ebg?’+–pB?WC C >ihWe ‘’&–*j+‘fk–— hWe ‘’+–^j+‘
kG–ZB?WC C >GdCl^mndCo ‘’&–—  KMLExU²^OMr,V| d(l*mnd(o ‘4’+–p8= !U5E; 8=M>“~WC 5=a9bT:fI=a<9<6ÓC 9UBPWC~W8; W7C = s6AIE; B IZ; >+:I= dHW8Wce=M:=M8+:9Aƒbo*m d
e(g+’+–Wm
•TsU7E56:WBM:; ~WR:f; 9<w9b&Xƒ(o*m d
ebg?’+–*mG•Z; > <E93C 9<F=?8+C ; ~=XAIE=M<,dCl*mWdCo ‘’+–w; >+BPWC C =?D^ › b“; >+>:98=?Dp; <pWB :f; ~WR:; 9<p8=?B?98DZb 98XXƒ(o*m d
ebg?’+–*mG•pW<ED WBM:; ~WR:; 9<Ó8=?BM98Dw; >>:fWB šnÓWC C 9UBPWR:=?DTsU; :+X; C CT7H=kF9<E=kWR::I=adH9; <n: XI=?8= d(l*mnd(o ‘4’+–Z<E=M=?D>; :  {L²SH\]^L[i|“4n:98=™WBM:; ~WR:; 9<p8=MB?98D>A; <p:I=kI=PWdTg {nJ+ORNM]^o²A±oV?On|ihkFnW; <sU; biW3FC 97EWCHb 5<BM:; 9<q; >8=M:58<=?DwW>W38=M:5E8< ~WC 5=sn:IE=M8=a; >+<E9GdE897C =?c b 98+=M6=?BM5:; <F3; :C WR:f=M8?s6>; <B?=aWC CT; :f> <E9<6ÓC 9UB?WCE~W8; W7EC =?>W8=aFC 97EWCE~W8; W7C =?>?g 
   
    
    !E"}Ši!  ¤q0&¬«R/0(¿yµ)+*Z¿p)¤ZŽ  «R*tØt2 ˜ =M>:=?Dpd89F8WcÕ7C 9UBfšU>+B?W<pIHW?~n=A:IE=M; 8+9PA<wC 9UBPWCE~W8; W7C =?>?g Ô 98 =MWcedC =s ‘4‚F+=‘E)E4>.  ‘4’+– ?(D%D%D mnjnk
m  h*e(g 6j
m $=ˆ4‰?‰?DD%D  IE=M8=k>fI95C Dq:IE=M>f=A~W8; W7C =M>A7H=k>:98=MD& — {HL²S\]^L[3³ z“9<E>; D=?8+W37C 9UBfšqW>AW<Z; <ÓC ; <=Xb 5<BM:; 9<eA; :I95: dEW8Wce=M:=?8>?sW<DZB?8=PWR:=GW<Zha´¶b 98+; :Pg  á QT€Ro[T\ovEO?V|`=: ”B?; =M<n:A5>=k9b>:98WF=   LG [V ]QEOn|#IE; FIp85<n:f; ce=k9P~n=M8IE=?WD — {HL²S\]^L[ Z³ b >=Xh™´+>9<C meb 98+:85=kb 5<EB :; 9<>Pg › b#:I=?8=™W8= 7C 9UBfšU>`X; :fI; <pWGb 5<BM:; 9<Ts6>:fWR:; BPWC C mqB?9C C =MBM:A>:98WF=a8=B!U5; 8=?ce=M<n: ; <b 98cqWR:; 9<qb 89cÕ=?WB Ip7C 9UBfš —n:IE=M<pBM9cedE56:=X:I=acqWR6; c35c Wce95<n:“9bi>:98fWF=k<E=M=?D=?Dqb 98“IEW<EDC ; <EFGWC CT7C 96BfšU>PsUW<DwWC C 9UBPWR:= :IEWR:; <q:IE=Xb 5E<BM:; 9<· >“h™´kg  á QT€Ro[T\ovEO?V|`<9385E<n:; ce=X9P~n=?8I=PWD   LG [V ]QEOn|#cqW?meW>:=a>:98WF=a>dHWBM= 
   
    
    !E"i! yऔ)¤ZŽ 1™-“1G) yà¤e2“2“/0(¿ 1™- ¢ *.¬&2 } WB Ip>5E7895:; <=A9d=M8fWR:=?>; <p; <w; :f>+9PA<pC 9UBPWCH=?<n~6; 89<ce=?<n:+dEC 5> >f58895E<D; <FG=?<n~6; 89<ce=?<n:>D=Ml<=?DZ7nme:IE=kC W<F5HWF=· >“>B?9dH=k85EC =?>?g  IE=M<,WG>57E8956:; <=k; >+; <U~n9š=?DTs6; :; ><=?BM=?>> W8mq:9”dEW>f>“dEW8Wcq= :=?8> b 89cà:fI=kBPWC C =?8“:93:fI=aB?WC C =?=g hj7EW>; B !65=?>:; 9<ZB?9<B?=M8<E; <EF3dEW8Wce=M:=?8+dEW>f>; <F3; >P•  LK™ORo6N ° J`oKMor.O\O?K] ° o\+=MWB :fC m,] V+J–onV VPORQwY KMLr©\ ° O N?on² ²^O?KG\L,\ ° OeNPo² ²^OPOG³¦\ ° OXJ–oK?ortO\OMK Vao6QQ6K?O?V V  ² €Ro²SO e]\VGNPL[\O?[T\  K€Ro²SO wLKaVPLrtO\ ° ] [EvwO?² VPO hk<>=M8>“:93:IE; >!65=?>:; 9<ZD=Ml<=kdEW8fWce= :=?8+dHW>>; <F3ce=M:I96D>?• — N?on² ² fx?u6€Ro²SO”@ dHW>>; <FG8Ó^~WC 5=?> _ — N?on² ² fx?u6^KMO?YO?KMO?[#N?Oq@^dEW>>f; <EF™C Ó^~WC 5E=M>M_ — N?on² ² fx?u6NPL?Ju!^KMO?VR\LKMOq@^Inm678; DZ7=M:+=M=?<p7nm6Ó^~WC 5=kW<D 7nmUÓ8=Mb =M8=?<B?=R_ — N?on² ² fx?u6^[TonrtOG@ dEW>f>; <FG~6; W™<HWce=X>f57>:; :56:; 9<>M_ 
   
    
    ! `i! ¨ ¤e««i#' Œ >" ¤e«%(1 } WB IwWBM:5EWCTW8F5ce=?<n:+; >=M~WC 5HWR:=MDZ:9eWq‹n†b9 Tˆ7H=Mb 98=aB?WC C g"!X< =?<n:8ms6:I=k~WC 5E=k; >+B?9d; =MDZ:93b 98cqWCHdHW8Wce=M:=M8?sUXI; BfIZ7=MIHW?~n=M>å5E>: C ; š=aWGC 9UB?WCH~W8; W7C =g á QT€Ro[T\ovEO?V| — 4U; cedC =XW<Dp=?W>me:f9”5<DE=M8>:fW<ED —pÔ 98cqWCdEW8Wce=M:=?8>BPW<Z7=k5E>=?DpW>+C 9UB?WCH~W8; W7C =M>?s b dHDEWR:f; <EF:I=?cÕD9U=?><· :WRÜ=MBM:AWBM:5EWC >+; <ZBPWC C ; <F3d89UB?=?D58=• <4g:q='b>=w'?I=5€<g:q 'b>=w.&%@<4g:q 'b>iw'
# ."),‚m&* '!"#'8‚'j* 7 wi =q47i)u# 7i }=xi'G?* C  KMLExU²^OMr,V| — z+W<Z7=X; <= ”BM; =M<U:+; b#~WC 5=X; >+C W8F=• ;=54w=<wi8!u 7iqr {i<g:q 'b>=w./
%H 1&%!  i%@/$+*}Ckwr gi7&* <4g:q='b>=w<4g =5sk4wr g7.k%Ak4wr 4gi7 H  7wi =q7i!kjs/‚ H s4/x.ks 1,‚ H   1#xp  (x#k /$%‚ H s4/$&*†C k4wr: gi7k
/
%sk41+* <4g:q='b>=w<!"!<g =5tkG/
%sk414
* …I‚'g F?mk4wr g74uZ4w w=<. g'wmr g:5Giw=<E‚ … — z+W<<E9:WRÜH=?B :AB?WC C ; <F3=?<n~6; 89<ce=?<n:“DE; 8=?BM:C m• kg:<)u H :5 )?%† %D4# F m *A )")?*†."%D+* D."m * C u H :5}%$ 5'& %H($ #)&?*/…I‚ F?
=u#r=I>F>'? uGg#wi8 84w r )g{=7 7  )%*)‚F… — z+W<Z8=M:5E8<p8=?>5EC :A9<C me:I895EFIt@ :IE=k>f; <EFC =R_`8=M:5E8<Z~WC 5=g 
   
    
    ! f"#! ¨ª¤e««i' Œ #½¾1@1™)130&Øa1 Ÿ W>>+:I=q†66U…Mˆ?‚?‚“9b#=?WB IwWBM:5EWCTdEW8Wce=M:=?8Mg — !X<Z=?<n:f8ms6:IE=Xb 98cqWC; >7H95<EDe:93:IE=aWDED8=?>>PsUd89?~; <EF3W 8= b =?8=?<B?=X:f93:I=™WB :f5EWCdHW8Wce=M:=?8“b 89càA; :I; <q:IE=k>f578956:; <=g — › biWBM:5HWCW8F5Ece=M<n:D9U=?><T· :+IHWM~n=™W<ZC Ó^~WRC 5=3@ =g Fg s
8Ap‡ œU_fs =M; :I=?8M•  = ~WC 5EWR:=k; :A; <n:f9eWG:=Mced98W8mqC 9UBPWR:; 9<pW<DZdHW>>+; :>XWDD8=?>>@ =g Fg Ô 98:8W<_fs98  :8=PWR:XW>W<Z=?8898 á QT€Ro[T\ovEO?V| —w˜ 93ce98=kC W8F=kB?9dnm6; <F — hXBM:5EWCdEW8Wce=M:=?8+BPW<Z7H=a5dDEWR:=?D ˜ 9? k ƒG“s6= :Bg sU+98š l<=C  KMLExU²^OMr,V| — hXB?BM=?>>f=M>W8=k>fC 9P+=?8 ÝWDDE8=M>f>+c35>:+7H=aD=?8=Mb =?8=?<B?=?DZ:9”F=M: ~WC 5= — 9:f>9b#9dEdH98:5<; :meb 98™†
9 Š†n‚?Š^Œ6‡adE897C =Mce>PsU=g Fg s “+•*endfmbh
g&•Wm  ƒG–+•‘ fg^jG–+ƒ-< <Fd-, XƒG–?•j‘ . D%DD + Nk
mG–^k d ,& ƒ  .  ƒ
–?•j‘ ng^j–+ƒ=< <ƒ>. + efe“6k9 . 
   
    
    !  i! 6Œ '()A/¬  1™- ¢ *t¬2 GSEO?VR\] L[–|zW<q+=kBM9c37; <=X:I=k>; cedC ; BM; :mq9b#B?WC C Ó7UmUÓ^~WC 5=AA; :Iq:fI= = ”BM; =?<BMmq9b#BPWC C Ó7nm6Ó8= b =?8=?<B?=s6=M>fdH=?BM; WC C meb 98“C W8F=k~WC 5=?>+C ; š= 8=MB?98D>XW<DpW88fW?m6>: hk<>=M8“DE=Md=M<ED>+9<ZAIEWR:W38=MB?98Dp98AW88W?mZ8Ó^~WC 5=a; >+; <pW dHW8:; BM5EC W8C W<F5HWF=g — z¶WC AWMm>+5>=?>+BPWC C Ó7nmUÓ^~WC 5=sn7E56:+; <ph ˜ 4 › zksU8=?B?98D(@ >:85EB :M_ 8Ó^~WC 5E=M>W8=X:IE=aWBM:5HWCHB?9<n:=?<n:>?s6AIE; C =aWR88W?mZ8Ó^~WC 5=?>AW8= dH9; <n:=?8>“:93:fI=aBM9<n:f=M<n:f>?g =M<EBM=a; :=M<å9?m6>+:I=k>fWce=k7H=?<=Ml6:>9< W88W?mZdEW8fWce= :=?8>XW>+8=Mb =M8=?<B?=MÓ7EW>=?DZC W<F5EWF=?>+D9g › <wWDDE; :f; 9<Ts d89F8Wcece=?8>B?W<q: Wš=X:IE=aWDED8=?>>+9biWG~W8; W7C =X=M6dC ; BM; :C msW<D dEW>>`:fIEWR:+:9”97:fW; <ZB?WC C Ó7nmUÓ8=Mb ÓC ; š=X7=MIHW?~6; 98?g kƒ“6+=‘’&– ?ƒ=< ‘4’+– 0.  ‘’&– –?)–& ?ƒ=?
ƒ@& ? (&z–? kƒ“6+&ƒ €“<&ƒ 0.? — zÞ™Þ ; <I=?8; :>+:fI=™W7H9P~n=XdE89d=M8:f; =?>9b-zXg Ô 58:I=?8ce98=s; : >5dEdH98:f>“B?WC C Ó7nmUÓ8=Mb =M8=?<B?=adEW8Wce=M:=?8>“:IE895FIp:I=k5>=a9b 8= b =?8=?<B?=X~W8; W7C =M>Pg kƒ“6+=‘’&– ƒ=< ‘4’+–  0.  ‘’&– –?)–& ƒ-?0ƒ@& ? /& –? kƒ“6+ƒ }“<0ƒ .? 
   
    
    ! ¹i! 6Œ '&)A/R¬  1™- ¢ *.¬2HØa*w0w-k­ — › < Ÿ W>BPWC shXDHW6s6W<EDq>; ce; C W8“C W<F5EWF=?>?s68Ó^~WC 5E=M>9b79:IpW88fW?m6> W<Dq8=?B?98D>kWR8=X:fI=™WB :5HWCHB?9<n:=?<n:>Pg 9P+=M~n=M8?sU:fI=MmZdH=?8ce; :“:I= d89F8Wcece=?8`:9”>fdH=?B?; b m”:IE=k; <n:=?<D=?DZ5E>=X9bi=PWBfIZdHW8Wce=M:=?8M•–] [#s LSH\ s698] [&LS\fs6AI; BfIpB?W<Z7=XcqWdEdH=?De:9”7nm6Ó^~WC 5=aW<Dq7nm6Ó8= b dEW8Wce=M:=?8+dEW>f>; <FGce9UD=?>“7nme:IE=kB?9ced; C =M8Mg  dHW8Wce=M:=M8; >+b 98dEW>>f; <EFa~WC 5=k9bT:IE=aWBM:5HWC; <n:9G:IE=>57Ed89F8Wcwg !#"%$ dHW8Wce=M:=M8; >+b 98dEW>>f; <F™~WC 5=a9bT:fI=Xb 98cZWCHdEW8fWce= :f=M87EWBfš”:f93:I=™WB :f5EWC^g  &!'"%$ dHWR8fWce= :f=M8+; >“b 98+dHW>>; <F™~WC 5=X; <n:9eW>++=MC CW>+956:b 89cà:I=a>57Ed89F8fWcwg 7™f6†e@d69 ˆpŽa6†?’
: “+•*endfmbh
g&•Wmz‚Wefe-+ƒ,0‘’ e(g+– ‘’&–WmG˜*mG•? ,0‘’ ‘’&–WmG˜*mG•. ‘
k *m
˜‘4’ ƒF,& ƒz‡ ? m’Wh ‚Wefe-? , ‘’+–*mG˜Wm
•? ,& œ-? ‚Wene=+ <…>.? › I=k; DE=?WG; >+:9”C =M:+:I=kB?9ced; C =?8“:9”DE=MB?; DE=AXI; BfIq:8fW<>ce; >>f; 9< ce9UD=A:9”5>=Xb 98+=PWBfIpdHW8Wce=M:=M8?g 
   
    
    ! ֖! ` ¤q0(¿w%&¤”¿Z132)(¾/P- ¢ ¤ ½¾1H61G)+1”0(Øa1  *.¬&1G« › <wC W<EF5EWF=?>“>5B IpW>|W?~W6sW™~W8; W7C =a8=MdE8=?>=?<n:; <FeW<Z976å=MBM:+; >AW …?ˆs„ˆM…?ˆ?ŒT‰?ˆ:93:I=a976å=MBM:a@ ; <>:=?WDp9b; :>ABM9<n:f=M<n:M_fg › IE= me:m6d; B?WC C m IHWM~n=k9<C mqBPWRC C Ó7nmUÓ^~WC 5E=Ace9UDE=s675:“:I; >+D96=M>f<T· :WB :f5EWC C mZBPW5>f= B?9dnm6; <Fs6= ~n=?<qb 98+8=?B?98D>98AW88W?m6>?g Ô 58:I=?8ce98=sE; :Ad89P~6; D=?>+>9ce= BPWC C Ó7nmUÓ8= b =?8=?<B?= ÓC ; š=k7H=?<=Ml6:>Pg  IE=M<,W<Z976å=?BM:+; >AdEW>>f=MDZW>AW<wWBM:5EWCdEW8Wce=M:=?8MsEW3BM9dnmq9b#; :> 8Ó^~WC 5=3@^W38=Mb =M8=M<B?=R_“; >dEW>f>=?D—:fI=™WB :5HWC976å=MBM:+; >+<9:ABM9dE; =?DTsW<D ~WC 5=?>+; <q:I=a976å=?BM:B?W<p7H=k5dDEWR:=?DZ; <q:I=a>5E7895:; <=• dfj
ƒWkfk+*  ‘’&– ‘& ‰-?(D%D%D dfj
ƒWkfk-,  2*e&‘Ch kCg +* ƒC.  ƒDi‘ & …=? 2*e&‘Ch –WmWk–+ .  * &z’*m.*+;.? kCg + 0.? / $^k–Wm DXebg+–6D}“+•‘4’+–*j’+ D‘%. ?1020n“&•‘4’+–*kz… 
   
    
    ! Fi!  _
_†R 0U V V'R-\ F\*_  [8 
R z+9<>; D=?8M• dfj
ƒWkfk+*  ‘’&– ‘& ‰-?(D%D%D dfj
ƒWkfk-,  2*e&‘Ch kCg +* ƒC.  ƒ@&p’^m *+;. ? 0 0p“ ƒ
•&ƒ mG–Wm
• ƒz˜Wm
–*k ebh‘‚‘bm
h4l^mG•Wm ƒDi‘ & …=? 2*e&‘Ch –WmWk–+ .  * &z’*m.*+;.? kCg + 0.? / $^k–Wm DXebg+–6D}“+•‘4’+–*j’+ D‘%. ?1020n“&•‘4’+–*kp‰ b dHDHWR:; <F™b 98cqWCHdHW8Wce= :f=M8>; <Z:I=a>5E7895:; <E=kWRÜ=MBM:>G„UŒ*9 aC 96B?WC B?9dnmng 
   
    
    ! Fi! ¨ª¤e««i' Œ –¨ * ».Œ ½¾132–-“*Z)1 — } WBfIpWBM:5EWCW8F5Ece=M<n:; >+=M~WC 5HWR:=?DZ:9eWq‹n†b9 Tˆ7= b 98=kB?WC C^g — !X<Z=?<n:f8ms6~WC 5E=X; >795<Dq:93b 98cqWCEdHW8Wce= :f=M8#å5E>:C ; š=aW3C 9UB?WC ~W8; W7EC =g — b dDEWR:; <F™b 98cqWCHdHW8Wce=M:=?8>D96=M>f<T· :WRÜH=?B :XWB :5HWC >; <ZBPWC C ; <F b 5E<BM:; 9<Tsn5E<n:; Cig g g — b d9<q= 6; :?s6:IE=Xl<HWCHB?9<n:=?<n:>A9bT:fI=Xb 98cqWCHdEW8fWce= :f=M8>AW8= BM9dE; =?DZ; <n:9G:I=™WBM:5EWC >?g › :X7H=?IEW?~n=?>`~n=M8mZc35BfIpC ; š=XBPWC C Ó7nmUÓ8= b =?8=?<B?=k; <Zce9>: <E98cqWC  >f; :f5EWR:; 9<>?s675:+cqW?mqF; ~n=kD; ÜH=?8=?<n:8=?>5EC :>AI=?<ZB?9<B?588=M<EB mZ; > ; <n~n9C ~n=MDg 
   
    
    ! _#! ¨ª¤e««i' Œ !ã¤ZŽ 1 › I=X; D=PW3; >“b 89cÕVRSTxnV\]\ SH\] Ln[w98+r.o6NMKML(OcnJ`o[V ]^L[isU=g Fg+@^; <,z_f•  h*mG‚‘4’*mNk ƒG“+ <8$.&‘4’+– –?{–& ? &%$?$&?–? D%DD kƒ“+iƒ €“ <ƒ 0.?  56:7C ; <Dq>f57>:; :f56:; 9<Z; >+DEW<EF=M895E>+7=MBPW5>=k9b#dH9>>f; 7EC = M‹n†n…PŠ†;9 ˆ ‰M†idƒsH…Mˆ?s ”=g Fg s kƒ“+iƒ }–<ƒ 0.? =M6dEW<ED>`:9 &‘4’+– –?{–&+ƒ }–?{ƒ }–C&+ƒ ?0ƒ &
–? =M8= }–w; >+BPWd6:f58=?D 37nmq:fI=XDE=MB?C W8WR:; 9<p; <q:I=acqWB?89s6W<EDZ; > 5E<D=Ml<E=MDZWR:; :>l8>:5>=g zWC C Ó7nmUÓ<EWce=A; >XWB :f5EWC C m VSxUVR\]\fSH\]^L[0 ]\ ° KMO?[orw] [Hvm ° O?KMO [ON?O?VMV?oKu–g  —pÔ C =M6; 7EC =s6756:+d9:=?<n:; WC C me~n=?8mZB?9<6b 5>; <Fs6W<DZ; <= ”BM; =?<n:“:9 ; cedEC =?ce=M<U:?g — › bC W<F5HWF=AIEW><935dDEWR:fW7C =A~W8; W7C =?>k@^W>+; <dE58= Gb 5E<BM:; 9<EWC C W<EF5HWF=M>M_fsnBPWC C Ó7nm6Ó<EWce=AF; ~n=?>W37H=PW56:; b 5C C me>f; cedEC =X>=?cqW<n:; BM> b 98“b 5E<BM:; 9<pB?WC C >?g