看板FB_security
標 題Re: Speed and security of /dev/urandom
發信站NCTU CS FreeBSD Server (Sun Jul 20 01:07:55 2014)
轉信站ptt!csnews.cs.nctu!news.cednctu!FreeBSD.cs.nctu!.POSTED!freebsd.org!ow
On Sat, 19 Jul 2014, Mateusz Guzik wrote:
> I believe the idea here is to have reliable source for reseeding after
> fork.
I don't think that's quite right; there are issues in reliably detecting
that fork has occurred and a reseed performed.
Always getting random bits from the kernel avoids the need to detect fork.
-Ben
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