Re: Re: Still wondering about random numbers...
Doug McNaught <doug@wireboard.com>
From: Doug McNaught <doug@wireboard.com>
To: Allan Engelhardt <allane@cybaea.com>
Cc: Bruno Wolff III <bruno@wolff.to>, pgsql-general@postgresql.org
Date: 2001-08-08T14:00:54Z
Lists: pgsql-general
Allan Engelhardt <allane@cybaea.com> writes: > "/dev/urandom is not really better than rand(3) or random(3) *in > this situation* [i.e. when reads from /dev/random stalls and there > is no system entropy]" I would still disagree. The difference for crypto purposes between a CRNG seeded with real entropy (/dev/urandom) and an LCG (libc functions) is huge. The former is useful (with caveats); the latter is trivially breakable. -Doug -- Free Dmitry Sklyarov! http://www.freesklyarov.org/ We will return to our regularly scheduled signature shortly.