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References: <19970516195954J.demizu@gear.csl.sony.co.jp>
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Date: Fri, 16 May 1997 20:50:05 +0900
From: Kenichi Okuyama <okuyama@trl.ibm.co.jp>
Reply-To: FreeBSD-tech-jp@jp.freebsd.org
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Subject: [FreeBSD-tech-jp 232] Re: IPv4 AH/ESP
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$B1|;3!w#I#B#M$G$9!#(B

>>>>> "$B$F$_$:(B" == $B=P?eK!=S(B  <Noritoshi> writes:
$B$F$_$:(B> $BEEGH$r;H$C$?L5@~(BLAN$B7O$@$H$9$4$/=EMW$@$H;W$$$^$9!#$G$J$$$H!"(B
$B$F$_$:(B> $B0c$&3,$N?M$,(B tcpdump $B$7$F$k$+$b$7$l$J$$!#!#(B
>> $B$G$b$=$N>l9g$O!":G=i$+$i(B IPv6 $B$G:n$C$F$7$^$&!"$H$$$&$3$H$,2DG=$G$O$"(B
>> $B$j$^$;$s$+!)$@$C$F0\F0BN@lMQ$N(B DNS $B$H$+$,$I$3$+$K$$$k$O$:$@$7!"$=$N(B
>> $B?M$,(B IPv6<->IPv4 $B$r$d$l$P$$$$$o$1$G$7$g!)(B
$B$F$_$:(B> $B$G$b$9$G$KL5@~(BLAN$B$O;H$o$l$F$$$k$7!"%5!<%P$O(B IPv4 $B$7$+$7$c$Y$l$J$$$N$,(B
$B$F$_$:(B> $BB?$$$7!":#F|$9$0$K(B IPv6$B$KE}0l$9$k$N$O$D$i$$$H;W$$$^$9!#(B

$B%5!<%P!<$K0lBf(B FreeBSD $B$rF~$l$FD:$1$l$P$=$l$G:Q$`OC$G$O$J$$$s$G$9$+!)(B
(^o^)
$B!t$D$^$j!"$=!<$f!<%W%l%C%7%c!<$r$+$1$m$H!D(B (^^;)


$B$F$_$:(B> $BDL?.$NH?1~;~4V$O$I$N$/$i$$CY$/$J$k!)(B (encrypt,decrypt$B;~4V(B)
>> $BDL?.<+BN$NB.EY$,CY$$8=:_$G$O!"$h$[$IIOAj$J(B CPU $B!J;d$,;H$C$F$k(B i386 
>> $B%^%7%s$H$+!K$G$J$1$l$P5$$K$9$k$[$I$8$c$J$$$s$8$c$J$$$G$7$g$&$+!)(B
$B$F$_$:(B> $B$\$/$O2IJ9$K$7$F(B AH/ESP $B$G;H$o$l$F$$$k0E9f2=$NJ}<0$rCN$i$J$$$N$GJ9$$$F(B
$B$F$_$:(B> $B$_$?$N$G$7$?!#$H$$$&$N$O!"0JA0%G!<%?$N(B encryption/decryption $B$K(B RSA $B;H$C(B
$B$F$_$:(B> $B$?<B83E*;n:nIJ$N(B telnet $B$r8+$;$F$b$i$C$?$3$H$,$"$k$N$G$9$,!"$=$l$@$H(B
$B$F$_$:(B> interactive $B$G;H$&$K$OCY$$$H46$8$?$+$i$G$9!#(BPentium $B$N;~Be$K$OJ?5$$K$J$C(B
$B$F$_$:(B> $B$F$k$N$J$i(B ok $B$@$7!"$b$7%G!<%?$K$O(B DES $B$r;H$C$F$F==J,B.$$$N$J$i(B ok $B$G$9!#(B

RSA $B$N(B 256bit $BAG?t$r#2$D8/$&E[$G!"(BPowerPC601 66MHz $B$N>e$GF0$/E[$G!"(B
$B$9$2$'4VH4$1$J%3!<%G%#%s%0$NE[$7$+CN$j$^$;$s$,!"$=$l$G$b$=$3$=$3$NB.(B
$BEY$GF0$$$F$$$k(B ftp $B$r8+$?$3$H$,$"$j$^$9!#(B
$B!t@h$K8@$C$F$*$-$^$9$H!"$3$l$O(B i486 66MHz $B$h$j$O$^$7$JB.EY$G7W;;$7$^(B
$B!t$9$,!"(B100MHz $B$KGT$1$^$9!D(B(;.;)

telnet $B$,CY$+$C$?M}M3$O!"(Btelnet $B$@$H%-!<%9%H%m!<%/$H$+$,A4It$=$N>l$G(B
$BAj<j$KAw$i$l$F$7$^$&$N$G!"%Q%1%C%H$NNL$,A}$(!"$=$l$i$,A4It(B 
encryption $B$NBP>]$K$J$k!J$7$+$b!"%P%$%H?t$,B-$j$J$$J,$O(B pad $B$5$l$F$+(B
$B$i=P$F$$$/!K$N$G!"!V8+$F$/$l0J>e$KDL?.NL$,$"$C$?!W$+$i$G$O$J$$$G$7$g(B
$B$&$+!)(B
$B!t(B1byte $B$N$O$:$N$b$N$,(B 64byte(512bit $B;~(B)$B$K$J$C$F!"$5$i$K(B s$B>h$7$F(B N 
$B!t$G3d$C$F!D$H$J$l$P!"$=$j$c$5$9$,$K$*$=$$$o$J!#(B

$B$?$7$+(B telnet $B$K$O$=$&$$$&DL?.J}K!$K$9$k%*%W%7%g%s$,$"$C$?$O$:$G$9!D!#(B


$B$A$J$_$K!"(BAH $B$O(B MD5, ESP $B$O(B DES-CBC $B$,!VI,?\!W$K$J$C$F$$$k$h$&$G$9$M!#(B
----
$B1|;3(B $B7r0l(B@$BEl5~4pAC8&5f=j(B.$BF|K\#I#B#M(B($B3t(B)[$BFzLn#F#C(B:No.0000000015]
http://karin.ip.titech.ac.jp/~okuyama/index.html
#$B:#F|$N$*8@MU!X(Bar.h$B!Y(B:$BIaDL$N(B unix $B$N$h$j$b(B AIX $B$N$b$N$NJ}$,8-$=$&!D(B
#$B$G$b!"$*$+$2$G(B make $B$N2L$F$^$G0\?"$,Fq$7$$!D$`$%(BFreeBSD $B$NJ}$r(B
#$BD>$9$3$H$O$G$-$s$b$N$+!D!#(B
