On Apr 09, 2002 20:44 -0500, Jeff Dike wrote:
> Doesn't /dev/urandom have exactly the same DOS properties as /dev/random?
> I.e. it reads real random numbers until the entropy pool is empty, then
> starts returning pseudo-random numbers? If so, things on the host will
> still hang when they then try to read /dev/random.
You are correct. Reading from /dev/urandom consumes just as much
entropy as reading from /dev/random. It just doesn't block when the
entropy pool is random.
Hmm, maybe this should be fixed by refilling the urandom entropy pool
much less often...
Cheers, Andreas
-- Andreas Dilger http://www-mddsp.enel.ucalgary.ca/People/adilger/ http://sourceforge.net/projects/ext2resize/- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon Apr 15 2002 - 22:00:14 EST