In article [email protected],
“NAKAMURA, Hiroshi” [email protected] writes:
e$B<BAu$O$"$H$G$I$&$H$G$b$J$k$N$G!"e(Bakre$B$5$s$K%$%s%?!<%U%'!<%9$r7h$a$F$$$?$@e(B
e$B$-$?$$$H$3$m!#;W$o$:e(Brande$B$+$i0\9T$7$?$/$J$k$h$&$JE[$r$*4j$$$7$^$9!#e(B
rand e$B$Ne(B 4e$BJ8;z$H$$$&C;$5$K$O>!$F$J$$$C$Fe(B…
e$B%Q%C%A$r8+$k$H%$%s%?!<%U%'!<%9$O0J2<$N$h$&$K$J$C$F$^$9$M!#e(B
Random < Data
Random#rand
Random.seed
Random.default
Random.default=(klass)
Random.current
Random.current=(rng)
Random::MT < Random
Random::MT#initialize(seed)
Random::MT#float
Random::MT#upto(max_plus_one)
Random::MT#seed
e$B$^$:5$$,$D$/$N$Oe(B Random e$B$8$c$J$/$Fe(B Random::MT
e$B$H$$$&$3$H$G$9!#e(B
e$B$3$l$HJL$N%G%6%$%s$H$7$F$O!“e(BRandom e$B<+BN$re(B Mersenne Twister
e$B$N%/%i%9$K$9$k$H$$$&$b$N$,$”$k$G$7$g$&!#e(B
e$B$*$=$i$/$^$D$b$H$5$s$O8e<T$r9M$($F$$$k$s$8$c$J$$$G$9$+$M!#e(B
e$B;d$be(B Random e$B<+BN$G$$$$$H;W$$$^$9!#I,MW$J$i8e$Ge(B
Random::MT = Random e$B$H$b$G$-$^$9$7!#e(B
Kernel.{rand,srand} e$B$N@ZBX$(MQ$Ke(B default, current
e$B$,$"$j$^$9$,!"e(B
e$B%0%m!<%P%k$J>uBV$rA}$d$9$N$O46?4$7$^$;$s!#e(B
Mersenne Twister e$B$r4|BT$9$k%i%$%V%i%j$H$=$&$G$J$$%i%$%V%i%je(B
e$B$,$“$C$?$H$-!”@ZBX$($GN>J}$N4uK>$rK~$?$9$3$H$O$G$-$^$;$s!#e(B
e$B%i%$%V%i%j$NAH9g$;$N$3$H$r9M$($?$i!"$3$&$$$&5!G=$O$J$$$[$&$,e(B
e$B$$$$$H;W$$$^$9!#e(BMersenne Twister e$B0J30$r;H$$$?$1$l$P<+J,$G@8e(B
e$B@.$7$?e(B random number generator e$B$r<+J,$GJ];}$7$F$*$1$P$$$$$Ge(B
e$B$7$g$&!#e(B
e$B$b$7!"e(BMersenne Twister e$B$r4|BT$9$k%i%$%V%i%j$,B8:_$7$J$$$H$$e(B
e$B$&>u67$,@8$^$l$k$H$7$?$i!“e(BMersenne Twister e$B$KLdBj$,H/8+$5$le(B
e$B$?;~$@$H;W$&$N$G$9$,!”$=$N$H$-$Oe(B ruby
e$BK\BN$rD>$9$N$,@5F;$@$7!“e(B
e$B$=$l$G$O4V$K9g$o$J$$$H$7$F$be(B rand/srand e$B$r:FDj5A$9$k$3$H$O2De(B
e$BG=$G$9$+$i!”$3$&$$$&@ZBX$(5!G=$O$$$i$J$$$s$8$c$J$$$G$7$g$&$+!#e(B
e$B@ZBX$($NJL0F$H$7$F$O!“%0%m!<%P%k$G$J$/!”%@%$%J%%C%/$K!“$H$+e(B
e$B%l%-%7%+%k$K!”$H$$$&$b$N$,9M$($i$l$^$9$,!"%@%$%J%%C%/e(B
(e$B%9%l%Ce(B
e$B%IJQ?te(B) e$B$@$H%i%$%V%i%j4V$N4|BT$N>WFM$rKI$2$^$;$s$7!“%l%-%7%+e(B
e$B%k$H$$$&$N$O:#$Ne(B Ruby e$B$G$I$&<BAu$7$?$i$$$$$+$o$+$j$^$;$s!#@Ze(B
e$BBX$($K$D$$$F$Oe(B selector namespace e$B$H$+e(B classbox e$B$Ge(B
rand/srand e$B$r%l%-%7%+%k$K@ZBX$($i$l$k$3$H$r4|BT$9$k$”$?$j$,e(B
e$B$$$$$s$8$c$J$$$G$7$g$&$+!#e(B
Random::MT e$B$NCf$K$D$$$F$Oe(B upto e$B$H$$$&L>A0$,5$$K$J$j$^$9!#e(B
upto(10) e$B$J$i$d$C$Q$je(B 10 e$B$^$G$@$H;W$&$N$G$9$,!“$3$3$G$Oe(B 9
e$B$^e(B
e$B$G$J$N$GL>A0$,$h$m$7$/$J$$$H;W$$$^$9!#$9$0$K;W$$IU$/%a%=%C%Ie(B
e$BL>$H$7$F$Oe(B integer e$B$,$”$2$i$l$k$G$7$g$&$+!#e(B
e$B$"$H$ODI2C%a%=%C%I$r8!F$$9$k$He(B OpenSSL::Random e$B$de(B
SecureRandom e$B$+$ie(B random_bytes, hex, base64
e$B$,9M$($i$l$^$9$,!“e(B
e$B$=$&$$$&$N$,$”$k$He(B cookie e$B$K;H$$$d$9$/$J$k$N$G$`$7$m$J$$$[$&e(B
e$B$,$$$$$H$$$&5$$,$7$^$9!#e(B