=================================================================== RCS file: /home/cvs/OpenXM/doc/sci-semi2001/factorb.tex,v retrieving revision 1.1 retrieving revision 1.2 diff -u -p -r1.1 -r1.2 --- OpenXM/doc/sci-semi2001/factorb.tex 2001/07/23 06:46:51 1.1 +++ OpenXM/doc/sci-semi2001/factorb.tex 2001/07/24 08:02:47 1.2 @@ -1,41 +1,40 @@ -% $OpenXM$ +% $OpenXM: OpenXM/doc/sci-semi2001/factorb.tex,v 1.1 2001/07/23 06:46:51 noro Exp $ -\Large +\LARGE \parskip 0pt \begin{slide}{} -\fbox{\bf 1. $B$O$8$a$K(B} +\fbox{\sc 1. $B$O$8$a$K(B} computer = compute $B$9$k$?$a$N$b$N(B -compute = $B7W;;$9$k(B +compute = {\ec $B7W;;(B}$B$9$k(B -$B:G6a$G$O(B communication $B$NpJsDL?.(B} $B$NpJs$r%G%8%?%k2=(B ($BId9f2=(B) $B$7$F%M%C%H%o!<%/$rDL$7$FAw/?t(B -$BNc(B : email, $B%&%'%V(B $\cdots$ $B!V%$%s%?!<%M%C%H$9$k!W(B +{\bf $BNc(B} : email, $B%&%'%V(B {\eec $B!V%$%s%?!<%M%C%H$9$k!W(B} $B$7$+$7(B, $B7W;;5!$NG=NO$O0[MM$K8~>e(B -$B7W;;$K;H$o$J$$$N$O$b$C$?$$$J$$(B($B$H;W$&(B) + +{\ec $B7W;;$K;H$o$J$$$N$O$b$C$?$$$J$$(B}($B$H;W$&(B) \end{slide} \begin{slide}{} -\fbox{\bf 2. $B%3%s%T%e!<%?$K$D$$$F$N%$%m%O(B} +\fbox{\sc 2. $B%3%s%T%e!<%?$K$D$$$F$N%$%m%O(B} \begin{itemize} -\item CPU +\item {\eec CPU} $B%W%m%0%i%`$K=>$C$FL?Na$rl=j(B. $B>l=j(B ($BHVCO(B) $B$r;XDj$7$F9bB.$K=P$7F~$l$,$G$-$k(B. -\item $B%l%8%9%?(B +\item {\eec $B%l%8%9%?(B} CPU $B$,;}$C$F$$$kFCJL$J%a%b%j$G(B, $B1i;;$NBP>]$K$J$k(B. $B?t$OB?$/$J$/(B, $BBg$-$5(B ($BD9$5(B) $B$b>.$5$$(B. @@ -44,27 +43,27 @@ CPU $B$,;}$C$F$$$kFCJL$J%a%b%j$G(B, $B1i;;$NBP>]$K$ \end{slide} \begin{slide}{} -\underline{\bf $BL?Na$NNc(B} +\underline{\uc $BL?Na$NNc(B} \begin{itemize} \item 10 $BHVCO$+$i(B 1 $B%P%$%HFI$s$G(B A $B%l%8%9%?$KF~$l$h(B \item A, B $B%l%8%9%?$NCM$rB-$7$F(B C $B%l%8%9%?$KF~$l$h(B \item A $B%l%8%9%?$NCM$,(B 0 $B$J$i(B 100 $BHVCO@h$KHt$Y(B \end{itemize} -\underline{\bf $B07$($k?t(B} +\underline{\uc $B07$($k?t(B} -$B%l%8%9%?$NBg$-$5$G07$($k?t$NHO0O$,7h$^$k(B. +$B%l%8%9%?$NBg$-$5(B = $B07$($k?t$NHO0O(B 32$B%S%C%H%l%8%9%?(B $\Rightarrow$ 0 $B$+$i(B $2^{32}-1$ $B$^$G$N@0?t$7$+07$($J$$(B \end{slide} \begin{slide}{} -\underline{\bf $B?t3X$K;H$&>l9g$r9M$($k$H(B...} +\underline{\uc $B?t3X$K;H$&>l9g$r9M$($k$H(B...} $11111111111 \times 11111111111$ -$\Rightarrow 1332508849$ ??? (=$B7k2L$r(B $2^{32}$ $B$G3d$C$?M>$j(B) +$\Rightarrow$ {\ec 1332508849} ??? (=$B7k2L$r(B $2^{32}$ $B$G3d$C$?M>$j(B) $B$+$H$$$C$F(B @@ -74,96 +73,103 @@ $\Rightarrow 1.234567 \times 10^{20}$ $B$b:$$k(B -$B8m:9$,F~$k$H?t3X$H$7$F$OL50UL#$J7W;;(B +{\ec $B8m:9$,F~$k$H?t3X$H$7$F$OL50UL#$J7W;;(B} \end{slide} \begin{slide}{} -\underline{\bf $B$H$j$"$($:Bg$-$J@0?t$O07$($J$$$H$$$1$J$$(B} +\underline{\uc $B$H$j$"$($:Bg$-$J@0?t$O07$($J$$$H$$$1$J$$(B} -$\Rightarrow$ $B%W%m%0%i%`$r=q$1$P$h$$(B +$\Rightarrow$ {\eec $B%W%m%0%i%`(B}$B$r=q$1$P$h$$(B -$B%a%b%j>e$K@0?t$rJB$Y$F(B, $B%3%s%T%e!<%?$K!VI.;;!W$r$5$;$l$P$h$$(B +$B%a%b%j>e$K@0?t$rJB$Y$F(B, $B%3%s%T%e!<%?$K(B {\eec $B!VI.;;!W(B}$B$r$5$;$l$P$h$$(B \begin{itemize} -\item $B?M4V(B +\item {\eec $B?M4V(B} $B$R$H$1$?(B : 0 $B0J>e(B 9 $B0J2<(B -\item $B%3%s%T%e!<%?(B +\item {\eec $B%3%s%T%e!<%?(B} $B$R$H$1$?(B : 0 $B0J>e(B $2^{32}-1$ $B0J2<(B \end{itemize} \end{slide} \begin{slide}{} -\underline{\bf $BNc(B : $B@0?t$NB-$7;;(B} +\underline{\uc $BNc(B : $B@0?t$NB-$7;;(B} -\begin{tabular}{ccccc} +\begin{tabular}{ccccc} \\ & 5 & 4001257187 & 1914644777 & (= $3^{42}$) \\ + & & 2830677074 & 689956897 & (= $3^{40}$) \\ \hline & 6 & 2536966965 & 2604601674 & \end{tabular} -\underline{\bf $B0lJQ?tB?9`<0(B} +\vskip 1cm -$B3F/$J$$(B($B$H;W$&(B) +$28386587=3581\times 7927$ $B$,4cNO$GJ,$+$k?M$O>/$J$$(B($B$H;W$&(B) -\underline{\bf $B2r$N8x<0K!$OM-K>(B} +\vskip 1cm +\underline{\uc $B2r$N8x<0K!$OM-K>(B} + $(a^2-4b)/4 = 4717584 = 2172^2$ $B$J$i2?$H$+$J$k(B? -$\Rightarrow$ $x^2-t$ $B$N@0?t:,$rC5$9J}K!$,$"$l$P$h$$(B +$\Rightarrow$ {\bf \ec $x^2-t=0$ $B$N@0?t:,$rC5$9J}K!$,$"$l$P$h$$(B} \end{slide} \begin{slide}{} -\underline{\bf 3 $Bl9g(B} +\underline{\uc 3 $Be$GJ,2r$G$-$k$J$i(B, $B0le$GJ,2r$G$-$k$J$i(B, $B0l 0$ $B$J$i(B $a$, $b$ $B$N4V$K(B $f(c)=0$ $B$J$k(B $c$ $B$,$"$k(B.$B!W(B \begin{itemize} -\item $BFsJ,K!(B +\item {\eec $BFsJ,K!(B} $B6h4V$rH>J,$:$D69$a$FDI$$9~$`(B -\item Newton $BK!(B +\item {\eec Newton $BK!(B} $BFsJ,K!$h$j$:$C$H9bB.(B \end{itemize} @@ -171,29 +177,32 @@ $\Rightarrow$ $x^2-t$ $B$N@0?t:,$rC5$9J}K!$,$"$l$P$h$ \end{slide} \begin{slide}{} -\underline{\bf 4 $Be$N>l9g(B} +\underline{\uc 4 $Be$N>l9g(B} $B$$$m$$$m$JJ,2r%Q%?!<%s$,$"$jF@$k(B 4 $B/$7E}0lE*$JJ}K!$,I,MW(B} +\vskip 1cm -$BCf4VCM$NDjM}$O(B, $B$j(B}$B$KCmL\(B +{\eec $BCf4VCM$NDjM}(B} = {\eec $B$j(B}$B$KCmL\(B \end{slide} \begin{slide}{} -\fbox{\bf 4. $p$-$B?J6a;w$K$h$kB?9`<0$N0x?tJ,2r(B} +\fbox{\sc 4. $p$-$B?J6a;w$K$h$kB?9`<0$N0x?tJ,2r(B} +{\Large\parskip 0pt -\underline{\bf $B86M}(B} : {\bf $B@0?t(B $m$ $B$,(B 0} $\Leftrightarrow$ +\underline{\uc $B86M}(B} : {\eec $B@0?t(B $m$ $B$,(B 0} $\Leftrightarrow$ -{\bf $m$ $B$O$I$s$J@0?t$G$b3d$j@Z$l$k(B} +{\eec $m$ $B$O$I$s$J@0?t$G$b3d$j@Z$l$k(B} -({\bf $m$ $B$O==J,Bg$-$$@0?t$G3d$j@Z$l$k(B}) +({\eec $m$ $B$O==J,Bg$-$$@0?t$G3d$j@Z$l$k(B}) $B$?$H$($P(B, @@ -204,174 +213,195 @@ $h_1$ $B$r8+$D$1$k(B. \item $f(x)-g_k(x)h_k(x)$ $B$N78?t$,(B $p^k$ $B$G3d$j@Z$l$k$h$&$K(B $g_k$, $h_k$ $B$r(B $B:n$C$F$$$/(B ($k=1,2,\ldots$) -\item $g_1$, $h_1$ $B$,Ev$?$j$J$i(B, $BE,Ev$J(B $k$ $B$N$H$3$m$G$[$s$H$K3d$j@Z$l$k$@$m$&(B. -\end{enumerate} +\item $g_1$, $h_1$ $B$,@52r$KBP1~$7$F$$$l$P(B, $BE,Ev$J(B $k$ $B$N$H$3$m$G$[$s$H$K3d$j@Z$l$k$@$m$&(B. +\end{enumerate}} \end{slide} \begin{slide}{} -\underline{\bf $B8@$$$+$($l$P(B...} +\underline{\uc $B8@$$$+$($l$P(B...} -$B0J2<(B, $B4JC1$N$?$a(B, $f(x)$ $B$*$h$S0x;R$N78?t$OA4$F@5$G$"$k$H$9$k(B. +$B0J2<(B, {\ec $B4JC1$N$?$a(B}, $f(x)$ $B$*$h$S0x;R$N78?t$OA4$F@5$G$"$k$H$9$k(B. -$f(x) = a_0(x)+p\cdot a_1(x)+p^2\cdot a_2(x)+\cdots$ +{\eec $f(x) = a_0(x)+p \cdot a_1(x)+p^2\cdot a_2(x)+\cdots$} -$B$H!V$Y$-5i?tE83+!W$9$k(B. ( $a_i$ $B$N78?t$O(B $p-1$ $B0J2<(B) +$B$H!V$Y$-5i?tE83+!W(B ( $a_i$ $B$N78?t$O(B $p-1$ $B0J2<(B) -$g(x) = b_0(x)+p\cdot b_1(x)+p^2\cdot b_2(x)+\cdots$ +{\ec $g(x) = b_0(x)+p\cdot b_1(x)+p^2\cdot b_2(x)+\cdots$} -$h(x) = c_0(x)+p\cdot c_1(x)+p^2\cdot c_2(x)+\cdots$ +{\ec $h(x) = c_0(x)+p\cdot c_1(x)+p^2\cdot c_2(x)+\cdots$} +($b_i$, $c_i$ $B$N78?t$O(B $p-1$ $B0J2<(B) + $B$H$*$$$F(B $f(x)-g(x)h(x)=0$ $B$+$i(B $b_i$, $c_i$ $B$r7h$a$k(B. \end{slide} \begin{slide}{} -\underline{\bf $B5-9f(B $a \equiv b \bmod M$} +\underline{\uc $B5-9f(B $a \equiv b \bmod M$} -$M$ $B$r@0?t$H$9$k(B. $a \equiv b \bmod M$ $B$H$O(B +$M$ $B$r@0?t$H$9$k(B. {\eec $a \equiv b \bmod M$} $B$H$O(B \begin{itemize} \item $a,b$ $B$,@0?t$N$H$-(B, -$a-b$ $B$,(B $M$ $B$G3d$j@Z$l$k$3$H(B +{\eec $a-b$ $B$,(B $M$ $B$G3d$j@Z$l$k(B}$B$3$H(B \item $a,b$ $B$,@0?t78?tB?9`<0$N$H$-(B -$a-b$ $B$N3F78?t$,(B $M$ $B$G3d$j@Z$l$k$3$H(B +{\eec $a-b$ $B$N3F78?t$,(B $M$ $B$G3d$j@Z$l$k(B}$B$3$H(B \end{itemize} -$a$ $B$r(B $M$ $B$G3d$C$?M>$j$b(B $a \bmod M$ $B$H=q$/(B +\vskip 1cm + +\underline{\uc $a$ $B$r(B $M$ $B$G3d$C$?M>$j$b(B $a \bmod M$ $B$H=q$/(B} \end{slide} \begin{slide}{} -\underline{\bf$b_0(x)$, $c_0(x)$ $B$+$i%9%?!<%H(B} +\underline{\uc $b_0(x)$, $c_0(x)$ $B$+$i%9%?!<%H(B} -$f-gh = a_0-b_0c_0$ + ($p$$B$G3d$j@Z$l$kB?9`<0(B) +$f-gh$ -$B$@$+$i(B, $f=gh$ $B$J$i(B $a_0 \equiv b_0c_0 \bmod p$ $B$N$O$:(B +$\quad = a_0-${\ec $b_0c_0$} + ($p$$B$G3d$j@Z$l$kB?9`<0(B) -\underline{$BNc(B} +$B$@$+$i(B, $f=gh$ $B$J$i(B +$a_0 \equiv$ {\ec $b_0c_0$} $\bmod p$ $B$N$O$:(B + +\underline{\uc $BNc(B} + +{\eec \begin{tabbing} $f(x)=$ \= $x^4+17056x^3+72658809x^2$ \\ \> $+3504023212x+30603759869$ -\end{tabbing} +\end{tabbing}} $p = 3$ $B$H$9$k$H(B $a_0(x)=x^4+x^3+x+2$ \end{slide} \begin{slide}{} -\underline{\bf $B0lJ}$,(B $c_0$ $B$H$_$J$;$P$3$l$i$OF1$8$b$N(B +$B0lJ}$,(B $b_0$, $BB>J}$,(B $c_0$ $\Rightarrow$ $B$3$l$i$OF1$8$b$N(B \end{slide} \begin{slide}{} -\underline{\bf $BFsJU$r(B 3 $B$G3d$C$F(B -${{f-gh} \over 3} \equiv {{a_0-b_0c_0}\over 3} + (a_1-(b_0c_1+b_1c_0)) \bmod 3$ +${{f-gh}\over 3} \equiv {{a_0-b_0c_0}\over 3}+(a_1-$ +$(b_0${\ec$c_1$}$+c_0${\ec$b_1$}$))\bmod 3$ $B:8JU$O(B $3$ $B$G2?2s$G$b3d$l$k(B $\Rightarrow$ $B1&JU$O(B $3$ $B$G3d$l$k(B -$BJd@59`(B $b_1$, $c_1$ : $x^2$ $B$N78?t$O(B 0 $B$H$7$F$h$$(B +$BJd@59`(B {\ec $b_1$}, {\ec $c_1$} : $x^2$ $B$N78?t$O(B 0 $B$H$7$F$h$$(B} \end{slide} \begin{slide}{} -\underline{\bf $BFs $-(2p+q+r-1)x-(2q+s)$ +$B1&JU(B = \= {\ec $-(q+s)x^3-(q+r+t+1)x^2$}\\ +\> {\ec $-(2q+r+s-1)x-(2r+t)$} \end{tabbing} $$B1&JU(B \equiv 0 \bmod 3$ $B$h$j(B\\ +{\ec $\left\{ \parbox[c]{6in}{ -$p+r \equiv 0 \bmod 3$ \\ -$p+q+s+1 \equiv 0 \bmod 3$ \\ -$2p+q+r-1 \equiv 0 \bmod 3$ \\ -$2q+s \equiv 0 \bmod 3$} -\right.$\\ +$q+s \equiv 0 \bmod 3$ \\ +$q+r+t+1 \equiv 0 \bmod 3$ \\ +$2q+r+s-1 \equiv 0 \bmod 3$ \\ +$2r+t \equiv 0 \bmod 3$} +\right.$\\} $B$3$s$I$OO"N)0ll9g$r07$&$?$a$N9)IW$,I,MW(B @@ -415,69 +444,78 @@ $(x^2+7821x+89347)(x^2+9235x+342527)$ \end{slide} \begin{slide}{} -\underline{\bf $\bmod p$ $B$G$NJ,2r$,0lHVBg@Z(B} +\underline{\uc $\bmod p$ $B$G$NJ,2r$,0lHVBg@Z(B} -$B=P$FMh$?(B, $B78?t$NJ}Dx<0(B +$B3F%9%F%C%W$G=P$FMh$k78?t$NJ}Dx<0(B \begin{itemize} -\item $k > 1$ +\item {\eec $k > 1$} -$BC1$J$kO"N)0l$j!W$GDj5A$9$k$H(B +$p$ $B$,(B{\ec $BAG?t(B}$B$N$H$-(B, +{\eec $GF(p) = \{0,1,\cdots,p-1\}$} $B$K(B, $+$, $-$, $\times$ $B$r(B +{\eec $B!V7k2L$r(B $p$ $B$G(B $B3d$C$?M>$j!W(B}$B$GDj5A$9$k$H(B + \begin{enumerate} \item $B2C8:>h;;$GJD$8$F$$$k(B. -\item 0 $B0J30$N85$G3d;;$,$G$-$k(B. +\item {\eec 0 $B0J30$N85$G3d;;$,$G$-$k(B. } -$B!V(B$a {\not \equiv} 0 \bmod p$ $B$J$i(B $ab \equiv 1 \bmod p$ $B$H$J$k(B $b$ $B$,$H$l$k!W(B +$B!V(B$a {\not \equiv} 0 \bmod p$ $B$J$i(B $ab \equiv 1 \bmod p$ $B$J$k(B $b$ $B$,$"$k!W(B \end{enumerate} -$B$9$J$o$A(B, {\bf $GF(p)$ $B$OBN(B($B%?%$(B)} +$B$9$J$o$A(B, {\eec $GF(p)$ $B$OBN(B($B%?%$(B)} -$B85$N8D?t$,M-8B8D(B ($p$ $B8D(B)$B$J$N$G(B {\bf $BM-8BBN(B} $B$H$h$V(B. +$B85$N8D?t$,M-8B8D(B ($p$ $B8D(B)$B$J$N$G(B {\ec $BM-8BBN(B} $B$H$h$V(B. \end{slide} \begin{slide}{} -\underline{\bf $k=1$ $B$G$N7W;;$O(B, $BM-8BBN>e$G$N0x?tJ,2r(B} +\underline{\uc $k=1$ $\Rightarrow$ $BM-8BBN>e$G$N0x?tJ,2r(B} $a_0 \equiv f \bmod p$ $B$r(B $GF(p)$ $B78?tB?9`<0$H$_$k(B. $\Rightarrow$ $a_0 \equiv b_0c_0 \bmod p$ $B$H$J$k(B $b_0$, $c_0$ $B$r(B $B5a$a$k$3$H$O(B, $GF(p)$ $B>e$G$N0x?tJ,2r$KAjEv(B -$\Rightarrow$ {\bf $B$h$$%"%k%4%j%:%`$,$?$/$5$s$"$k(B} +$\Rightarrow$ {\eec $B 1$ $B$G$N7W;;$O(B, $BM-8BBN>e$G$NO"N)0l 1$ $\Rightarrow$ $BM-8BBN>e$G$NO"N)0le$N0x;R$rFsAH$KJ,$1$k(B @@ -492,87 +530,91 @@ $GF(p)$ $B$G$N0x;R$,A4$F0[$J$k(B etc. \end{slide} \begin{slide}{} -\underline{\bf $BN"$K$O$$$m$$$m?t3X$,1#$l$F$$$k(B} +\underline{\uc $BN"$K$O$$$m$$$m?t3X$,1#$l$F$$$k(B} \begin{itemize} -\item $BBN$N>e$G$N0x?tJ,2r$N0l0U@-(B +\item {\eec $BBN$N>e$G$N0x?tJ,2r$N0l0U@-(B} $BBN>e$NB?9`<04D$N@-e$G$N0x?tJ,2r%"%k%4%j%:%`(B +\item {\eec $BM-8BBN>e$G$N0x?tJ,2r%"%k%4%j%:%`(B} Berlekamp $B%"%k%4%j%:%`(B -\item $\bmod p$ $B$+$i(B $\bmod p^k$ $B$X$N;}$A>e$2(B +\item {\eec $\bmod p$ $B$+$i(B $\bmod p^k$ $B$X$N;}$A>e$2(B} Euclid $B$N8_=|K!(B, Hensel $B$NJdBj(B \end{itemize} -$\Rightarrow$ $B7W;;5!$N%Q%o!<$@$1$G$O%@%a(B. $B?t3X$r$&$^$/MxMQ$7$?(B -$B%"%k%4%j%:%`@_7W$,I,MW$H$$$&$3$H(B. +$\Rightarrow$ $B7W;;5!$N%Q%o!<$@$1$G$O%@%a(B. +{\ec $B?t3X$r$&$^$/;H$C$?%"%k%4%j%:%`@_7W$,I,MW(B} + \end{slide} \begin{slide}{} -\fbox{\bf 6. $BM-8BBN$N1~MQNc(B : $B0E9f(B} +\fbox{\sc 6. $BM-8BBN$N1~MQNc(B : $B0E9f(B} -\underline{\bf $B%M%C%H%o!<%/>e$G$NDL?.$O4pK\E*$KE{H4$1(B} +\underline{\uc $B%M%C%H%o!<%/>e$G$NDL?.$O4pK\E*$KE{H4$1(B} -$B<+J,$N?H$O<+J,$GpJs(B +\item {\eec $B8x3+>pJs(B} $BBg$-$$AG?t(B $p$, $0 < g < p$ $B$J$k@0?t(B $g$ -\item A $B$5$s$N;E;v(B +\item {\eec A $B$5$s$N;E;v(B} \begin{enumerate} -\item $0 < s_A < p$ $B$J$k@0?t(B $s_A$ ($BHkL)(B) $B$r:n$k(B. -\item $w_A = g^{s_A} \bmod p$ $B$r(B B $B$5$s$KAw$k(B. -\item $s = w_B^{s_A} \bmod p$ $B$r:n$k(B. +\item $0 < s_A < p$ $B$J$k@0?t(B {\eec $s_A$} ($BHkL)(B) $B$r:n$k(B. +\item $w_A =$ {\eec $g^{s_A} \bmod p$} $B$r(B B $B$5$s$KAw$k(B. +\item $s =$ {\eec $w_B^{s_A} \bmod p$} $B$r:n$k(B. \end{enumerate} -\item B $B$5$s$N;E;v(B +\item {\eec B $B$5$s$N;E;v(B} \begin{enumerate} -\item $0 < s_B < p$ $B$J$k@0?t(B $s_B$ ($BHkL)(B) $B$r:n$k(B. -\item $w_B = g^{s_B} \bmod p$ $B$r(B A $B$5$s$KAw$k(B. -\item $s = w_A^{s_B} \bmod p$ $B$r:n$k(B. +\item $0 < s_B < p$ $B$J$k@0?t(B {\eec $s_B$} ($BHkL)(B) $B$r:n$k(B. +\item $w_B =$ {\eec $g^{s_B} \bmod p$} $B$r(B A $B$5$s$KAw$k(B. +\item $s =$ {\eec $w_A^{s_B} \bmod p$} $B$r:n$k(B. \end{enumerate} -\end{itemize} +\end{itemize}} \end{slide} \begin{slide}{} -\underline{\bf $BBg;v$JE@(B} +\underline{\uc $BBg;v$JE@(B} \begin{itemize} -\item $w_B^{s_A} = w_A^{s_B} \bmod p$ +\item {\eec $w_B^{s_A} = w_A^{s_B} \bmod p$} $B$3$l$G80$,6&M-$G$-$?(B -\item $w_A$, $w_B$ $B$O0E9f2=$5$l$J$$(B +\item {\eec $w_A$, $w_B$ $B$O0E9f2=$5$l$J$$(B} $g^{s_A} \bmod p$ $B$+$i(B $s_A$ $B$r5a$a$k$N$OFq$7$$(B -($BM-8BBN$N>hK!72$K$*$1$kN%;6BP?tLdBj(B) +{\ec ($BM-8BBN$N>hK!72$K$*$1$kN%;6BP?tLdBj(B)} -\item $\overline{a^b} = a^b \bmod p$ $B$O(B $p$ $BDxEY$N?t$N$+$1;;3d;;$K5"Ce(B +\item $\overline{a^b} = a^b \bmod p$ $B$O(B {\eec $p$ $BDxEY$N?t$N$+$1;;3d;;$K5"Ce(B} $\overline{a^{100}} = \overline{(\overline{a^{50}})^2}$, $\overline{a^{50}} = \overline{(\overline{a^{25}})^2}$, @@ -585,40 +627,43 @@ $\overline{a^{3}} = \overline{\overline{(\overline{a}) \end{slide} \begin{slide}{} -\underline{\bf $BB>$K$b$$$m$$$m$"$k(B} +\underline{\uc $BB>$K$b$$$m$$$m$"$k(B} \begin{itemize} -\item RSA $B0E9f(B +\item {\eec RSA $B0E9f(B} -$BBg$-$J@0?t$NAG0x?tJ,2r$NFq$7$5$rMxMQ(B +{\eec $BBg$-$J@0?t$NAG0x?tJ,2r$NFq$7$5(B}$B$rMxMQ(B -\item $BBJ1_6J@~0E9f(B +\item {\eec $BBJ1_6J@~0E9f(B} $BM-8BBN>e$G(B $y^2=x^3+ax+b$ $B$N2r(B $P=(x,y)$ $B$r9M$($k$H(B, $k$ $BG\;;(B $kP$ $B$,Dj5A$G$-$k(B. -$kP$ $B$+$i(B $k$ $B$r5a$a$k7W;;$NFq$7$5$rMxMQ(B +{\eec $kP$ $B$+$i(B $k$ $B$r5a$a$k7W;;$NFq$7$5(B}$B$rMxMQ(B \end{itemize} -$\Rightarrow$ {\bf $B$$$:$l$b(B, $BD>@\(B, $B4V@\$K@0?t$N>jM>1i;;$,4XM?(B} +$\Rightarrow$ {\ec $BD>@\(B, $B4V@\$K@0?t$N>jM>1i;;$,4XM?(B} \end{slide} \begin{slide}{} -\fbox{\bf 7. $B$^$H$a(B} +\fbox{\sc 7. $B$^$H$a(B} \begin{enumerate} -\item {\bf $BB?9`<00x?tJ,2rDxEY$G$b(B, $B8zN($h$$$K2?$NLr$KN)$D$N(B?} +\item {\eec $B$G$bM-8BBN$J$s$FB>$K2?$NLr$KN)$D$N(B?} -$B