> -----Original Message----- > From: Kris Kennaway [mailto:[EMAIL PROTECTED] > Sent: Tuesday, March 01, 2005 1:29 AM > To: Ted Mittelstaedt > Cc: Kris Kennaway; Loren M. Lang; Rob; FreeBSD questions > Subject: Re: /dev/io , /dev/mem : only used by Xorg? > > > On Tue, Mar 01, 2005 at 12:06:11AM -0800, Ted Mittelstaedt wrote: > > > >> Another strange thing is that /dev/random should block when it > > >> runs out of entropy - it doesen't seem to do so, however. And the > > >> device doesen't seem to gain entropy that quickly. > > > > > > No, it should not block because it's not defined to block > > > > In FreeBSD > > > > > and that > > > would be a bad interface anyway. > > > > The "u" in /dev/urandom means unblocking. > > It also means "return stuff even when you have no more entropy". > Can't get there from here. >
Presumably the app writer knows this. Come now, I never said it was a -good- interface. The ideas of how the random device should work are somewhat of a moving target among UNIXes. The yarrow generator is one of the better ones us ordinary mortals have access to, I wonder what the NSA uses? Ted _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
