From: Herbert Xu Subject: Re: [PATCH 1/2] RNG: Add Pseudo Random Number Generator to kernel Date: Wed, 16 Jul 2008 21:44:56 +0800 Message-ID: <20080716134456.GA16546@gondor.apana.org.au> References: <20080703202102.GB5237@hmsendeavour.rdu.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-crypto@vger.kernel.org, davem@davemloft.net To: Neil Horman Return-path: Received: from rhun.apana.org.au ([64.62.148.172]:34207 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756012AbYGPNpA (ORCPT ); Wed, 16 Jul 2008 09:45:00 -0400 Content-Disposition: inline In-Reply-To: <20080703202102.GB5237@hmsendeavour.rdu.redhat.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: On Thu, Jul 03, 2008 at 04:21:02PM -0400, Neil Horman wrote: >> + /* > + * Now update our DT value > + */ > + for (i=DEFAULT_BLK_SZ-1;i>0;i--) { > + ctx->DT[i] = ctx->DT[i-1]; > + } > + ctx->DT[0] += 1; Is there any reason behind using this algorithm as opposed to a simple counter? Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt