# SecureRandom$B$,CY$$(B

**URL:** <https://www.ruby-forum.com/t/securerandom-b-cy-b/194783>\
**Category:** Development\
**Created:** [September 10, 2010, 2:58pm UTC](https://www.ruby-forum.com/t/securerandom-b-cy-b/194783 "2010-09-10T14:58:17Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![unknown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/4bbf92/32.png) [@unknown](https://www.ruby-forum.com/u/unknown)\
**Post date:** [September 10, 2010, 2:58pm UTC](https://www.ruby-forum.com/t/securerandom-b-cy-b/194783/1 "2010-09-10T14:58:17Z")

</div>

MoonWolfe$B$G$9!#e(B

lib/securerandom.rbe$B$,$$$m$$$m$JLL$GCY$$$h$&$J5$$,$7$^$9!#e(B

(a)random\_bytese$B$,\<B9T$5$l$k$^$G\<BAu$,7h$^$i$J$$e(B  
loade$B;~$Ke(Brandom\_bytese$B$r$=$l$\>$lDj5A$7$?$[$&$,8zN(E\*$8$c$J$$$G$9$+e(B?

(b)/dev/urandome$B$rKh2se(Bopen,closee$B$9$k$N$OL5BL$G$O$J$$$+e(B?  
opene$B$7$C$Q$J$7$O$h$/$J$$$s$G$9$+$Me(B?

(c)NotImplementedErrore$B$re(Brescuee$B$9$k$N$O;~4V$NL5BLe(B  
raisee$B$5$l$k\>l=j!“%?%$%\_%s%0$,$”$^$j$h$m$7$/$J$$$+$H;W$$$^$9!#e(B  
loade$B;~$Ke(Braisee$B$7$F$/$l$?$[$&$,4r$7$$$G$9!#e(B

MoonWolf [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

---

<div class="post-metadata">

**Author:** ![unknown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/4bbf92/32.png) [@unknown](https://www.ruby-forum.com/u/unknown)\
**Post date:** [September 11, 2010, 8:07pm UTC](https://www.ruby-forum.com/t/securerandom-b-cy-b/194783/2 "2010-09-11T20:07:06Z")

</div>

2010e$BG/e(B9e$B7ne(B10e$BF|e(B21:53 [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> lib/securerandom.rbe$B$,$$$m$$$m$JLL$GCY$$$h$&$J5$$,$7$^$9!#e(B

(Unix e$B$G$Oe(B) e$BIaDLe(B openssl  
e$B$,;H$o$l$k$@$m$&!"$H;W$C$F$$$k$N$G!“e(B  
/dev/urandom  
e$B$N\>l9g$K$D$$$FB.EY$r$”$^$j5$$K$7$F$$$J$$$N$O$=$N$H$\*$j$G$9!#e(B

> (a)random\_bytese$B$,\<B9T$5$l$k$^$G\<BAu$,7h$^$i$J$$e(B  
> loade$B;~$Ke(Brandom\_bytese$B$r$=$l$\>$lDj5A$7$?$[$&$,8zN(E\*$8$c$J$$$G$9$+e(B?

e$B$I$N$/$i$$8zN(E\*$J$s$G$7$g$&$+!#e(B

> (b)/dev/urandome$B$rKh2se(Bopen,closee$B$9$k$N$OL5BL$G$O$J$$$+e(B?  
> opene$B$7$C$Q$J$7$O$h$/$J$$$s$G$9$+$Me(B?

e$B;H$o$J$$$H$-$be(B fd e$B$,;D$C$F$$$k$N$O9%$-$8$c$J$$$G$9$M!#e(B

> (c)NotImplementedErrore$B$re(Brescuee$B$9$k$N$O;~4V$NL5BLe(B  
> raisee$B$5$l$k\>l=j!“%?%$%\_%s%0$,$”$^$j$h$m$7$/$J$$$+$H;W$$$^$9!#e(B  
> loade$B;~$Ke(Braisee$B$7$F$/$l$?$[$&$,4r$7$$$G$9!#e(B

e$B$R$H$D$N%"%W%j%1!\<%7%g%s$G;H$C$?$j;H$o$J$+$C$?$j$9$k\>l9g$K$Oe(B  
e$B\<B:]$K@8@.$9$k$H$-$N$[$&$,$$$$$s$8$c$J$$$G$7$g$&$+!#e(B