$B#1!%0e;U;q3J>Z$K$D$$$F(B
$B#2!%0e;U;q3J>Z$NMxMQMQES$K$D$$$F(B
$B#3!%?=@AJ}K!$H
$B#4!%G/2qHq$K$D$$$F(B

$B0e;U;q3J>Z0FFb%A%i%7(B

$B#1!%0e;U;q3J>Z$K$D$$$F(B

• $BJ]7r0eNEJ!;cJ,Ln$N#I#T2=$r?J$a$k$&$($GHr$1$F$ODL$l$J$$$b$N$,%;%-%e%j%F%#!<$NLdBj$G$9!##I#T2=$r?J$a$FJXMx$K$J$C$F$b!">pJs$N0BA4@-$,6<$+$5$l$k$h$&$G$O!"#I#T2=$9$k0UL#$,$"$j$^$;$s!#$=$N$?$a!"F|K\0e;U2q$G$O!"0BA4$G0B?4$7$F;H$($k#I#T4pHW$rZ4pHW!J(BPKI:Public Key Infrastructure$B!K$NOHAH$_$r;H$C$?!VF|K\0e;U2qG'>Z6I!W$r1?1D$7$F$*$j!"F|K\0e;U2qG'>Z6I$GH/9T$9$k!"0e;U;q3J$r>ZL@$9$kEE;RE*$J>ZL@=q$r3JG<$7$?#I#C%+!<%I$,!X0e;U;q3J>Z!Y$G$9!#(B
  $B$3$N0e;U;q3J>Z$O%+!<%I$NCf$K(BIC$B%A%C%W$,3JG<$5$l!"EE;RE*$J0e;U$N0u4U5!G=$d%m%0%$%s;~$N0e;U;q3J3NG'$N$?$a$KMxMQ$9$k$3$H$,$G$-!"0e;U$N;q3J>ZL@$d$J$j$9$^$70e;UEy$X$NBP:v!"CO0h0eNEO"7H$G$NMxMQEy$K3hMQ$G$-$^$9!#$^$?!"!V0e;U;q3J>Z!W$OZL@$9$k$H6&$K?HJ,>ZL@=q$H$7$F$bMxMQ$G$-$^$9!#(B

$B#2!%0e;U;q3J>Z$NMxMQMQES$K$D$$$F(B

• $BEE;R=pL>(B
  $B!!%3%s%T%e!<%?!<$G>R2p>u!"?GCG=q!"!&Fh0u$NI,MW$JJ8=q$r:n@.$7$?>l9g$KMxMQ!#(B
  $B!!0e;U;q3J>Z$r;H$C$F!"EE;R=pL>!JEE;R0u4U!K$r$9$k$3$H$G!";f$K0u:~$7$F=pL>!&Fh0u$7$J$/$F$b$h$/$J$j$^$9!#EE;RE*$J=pL>$N8zNO$O!"EE;R=pL>K!$GJ]>Z$5$l$F$$$^$9!#$^$?!"=pL>8e$NJ8=q$,JQ99!J2~$6$s!K$5$l$?>l9g!"2~$6$s8!CN$G$-$k$h$&$K$J$j$^$9!#(B
  $B!!$3$NEE;R=pL>$r$7$?>R2p>uEy$O!"CO0h0eNEO"7H%7%9%F%`(B($B$"$8$5$$%M%C%H(B)$B$J$I$N0E9f2=$5$l$?0BA4$J2s@~$rMxMQ$7$?%M%C%H%o!<%/$NCf$G$N8/$jpJsDs6!2C;;5Z$SEE;RE*?GNE>pJsI>2ANA$N;\@_4p=`$K78$kFO=P=q$NDs=P$,;vA0$KI,MW$G$9!#!K(B
  $B!!"(DL>o$N%$%s%?!<%M%C%H2s@~$rMxMQ$7$?%a!<%kEy$K$h$k>R2p>uEy$N$d$jpJsO31L$N4m81@-$,$"$j!"$G$-$^$;$s$N$G$4Cm0U$/$@$5$$!#(B
  $B!!"#EE;R=pL>$NJ}K!$H$7$F$O!"$*R2p>u$r#P#D#F2=$7$F!"(B
  $B!!!!!VF|K\0e;U2qEE;RG'>Z%;%s%?!$rIUM?$9$k$3$H$,=PMh$^$9!#(B
  
  
• $BG'>Z(B
  $BCO0h0eNEO"7H%7%9%F%`$K%m%0%$%s$9$k:]$K$O!"K\?M3NG'$,I,MW$J>l9g$,$"$j$^$9!#(B
  $B#I#D$H%Q%9%o!<%I$@$1$G%m%0%$%s$G$-$k%7%9%F%`$b$"$j$^$9$,!"$h$j%;%-%e%j%F%#$r6/2=$9$k$&$($G!"0e;U;q3J>Z$r;H$C$FO"7H%7%9%F%`$K%m%0%$%s$9$kJ}K!$KMxMQ$G$-$^$9!#(B
  
  
• $B;q3J>ZL@(B
  $B0e;U;q3J>Z$N7tLL$K4iZL@$H6&$K?HJ,>ZL@=q$H$7$F$bMxMQ2DG=$G$9!#(B
  
  

$B#3!%0e;U;q3J>Z$N?=@AJ}K!$H

• $B#1!%?=@A=qN`$rF|K\0e;U2qEE;RG'>Z%;%s%?!<$KD>@\M9Aw(B
  $B!!!!!L?=@A=qN`!M!!"(#4 $B!!!!!!-!H/9T?=@A=q!!(B→$B!!(B$B$3$A$i$+$i%@%&%s%m!<%I$/$@$5$$(B
  $B!!!!!!-"0e;ULH5v>Z$N%3%T!<(B
  $B!!!!!!-#?HJ,>ZL@=q!J $B!!!!!!-$=;L1I ↓
• $B#2!%=qN`?3::8e!"0e;U;q3J>Z$,H/9T$5$l!"D9:j8)0e;U2q(B($BKt$O!"74;T0e;U2q(B)$B08$K0l3gM9Aw(B
  $B!!!!?=@AZ%;%s%?!<$+$i0e;U;q3J>ZH/9T40N;DLCN=q$,M9Aw$5$l$^$9!#(B
  ↓
• $B#3!%D9:j8)0e;U2q(B($BKt$O!"74;T0e;U2q(B)$B$K$F!"0e;U;q3J>Z$N
  $B!!!!BPLL$G8fK\?M3NG'$,I,MW$K$J$j$^$9$N$G!"8fK\?M$,?HJ,>ZL@=q!J1?E>LH5v>Z$d%Q%9%]!<%H$J$I4i
  

$B#4!%G/2qHq$K$D$$$F(B$B!!(B

• $B-!F|K\0e;U2q2q0w(B
  $B!!=i2s5Z$S#5G/Kh$NH/9T $B!!J6<:!&GKB;$K$h$k:FH/9T$N>l9g$N$_!o#5!$#5#0#0$,I,MW$G$9!#(B
  
$B!!!!(B
• $B-"Hs2q0w(B
  $B!!=i2s5Z$S#5G/Kh$NH/9T $B!!J6<:!&GKB;$K$h$k:FH/9T$N>l9g$O!o#5!$#5#0#0$,I,MW$G$9!#!!(B
  $B!!!Z(B2021$BG/#47n$+$i!"G/4VMxMQNA$OL5NA$K$J$j$^$7$?!#![(B