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Open Source and information security mailing list archives
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Date: Tue, 1 Jan 2013 23:50:29 +0100 From: Pavel Machek <pavel@....cz> To: NeilBrown <neilb@...e.de> Cc: Ondřej Bílka <neleai@...nam.cz>, linux-kernel@...r.kernel.org Subject: Re: [RFC] AES instead of SHA1 for /dev/urandom On Wed 2012-12-12 20:10:16, NeilBrown wrote: > On Wed, 12 Dec 2012 09:58:16 +0100 Ondřej Bílka <neleai@...nam.cz> wrote: > > > On Wed, Dec 12, 2012 at 01:08:26PM +1100, NeilBrown wrote: > > > On Wed, 12 Dec 2012 03:03:54 +0100 Ondřej Bílka <neleai@...nam.cz> wrote: > > > > > > > I consider to speed-up /dev/urandom on recent intel processors by > > > > using hardware aes. Same for accelerated aes crypto. > > > > > > > > Would you accept a patch if I wrote it? > > > > > > Have you read https://lwn.net/Articles/525459 ? > > > > > Yes > > > In particular the paragraph containing: > > > > > > A member of the audience asked why the kernel couldn't just do away with > > > the existing system and use the HWRNG directly. > > > > > > Does that answer your question in any way? > > > > > No as AES is a HWRNG about as much as horse is type of automobile. > > Yes, of course. Thanks. Dunno. Some people don't trust HWRNG for various reasons.... (what if it malfunctions? what if it is backdoored?) Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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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