From: Andi Kleen <andi@firstfloor.org>
To: Sebastian Siewior <linux-crypto@ml.breakpoint.cc>
Cc: Neil Horman <nhorman@tuxdriver.com>,
linux-crypto@vger.kernel.org, herbert@gondor.apana.org.au,
davem@davemloft.net
Subject: Re: [PATCH 0/2] RNG: Add Pseudo Random Number Generator to kernel
Date: Fri, 04 Jul 2008 01:36:33 +0200 [thread overview]
Message-ID: <87iqvmsfpa.fsf@basil.nowhere.org> (raw)
In-Reply-To: <20080703203955.GA13654@Chamillionaire.breakpoint.cc> (Sebastian Siewior's message of "Thu, 3 Jul 2008 22:39:55 +0200")
Sebastian Siewior <linux-crypto@ml.breakpoint.cc> writes:
>
> Anything wrong with get_random_bytes()?
> Whats the advantage over get_random_bytes()?
get_random_bytes() is not a _pseudo_ random number generator,
it doesn't have a seed and you cannot get repeatable sequences
out of it.
random32.c is though, but currently it's not reseedable either.
I needed a true reseedable prng a few times too so this
would be useful, although i guess random32.c could have been
fixed. But perhaps there's a need for a more cryptographically
strong PRNG too.
-Andi
next prev parent reply other threads:[~2008-07-03 23:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-03 20:19 [PATCH 0/2] RNG: Add Pseudo Random Number Generator to kernel Neil Horman
2008-07-03 20:39 ` Sebastian Siewior
2008-07-03 23:36 ` Andi Kleen [this message]
2008-07-04 2:10 ` Neil Horman
2008-07-04 8:44 ` Sebastian Siewior
2008-07-04 11:44 ` Neil Horman
2008-07-07 7:18 ` Herbert Xu
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