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Date: 29 May 2007 18:58:59 +0200 From: Andi Kleen <andi@...stfloor.org> To: "M Macnair" <mmacnair@...il.com> Cc: linux-kernel@...r.kernel.org Subject: Re: Seeding /dev/random not working "M Macnair" <mmacnair@...il.com> writes: > > Many distros ship with an init script that saves and restores the > entropy pool on startup and shutdown. The bit that interests me that > is called on startup is (my comments): > if [ -f $random_seed ]; then > cat $random_seed >/dev/urandom # should seed the pool .OA Writing doesn't actually work; to get real accounted entropy for /dev/random you need to use a special ioctl. I ran into this problem some years ago and ended up writing http://www.muc.de/~ak/rndfeed.c -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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