Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932532AbXBNWVm (ORCPT ); Wed, 14 Feb 2007 17:21:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932583AbXBNWVm (ORCPT ); Wed, 14 Feb 2007 17:21:42 -0500 Received: from e6.ny.us.ibm.com ([32.97.182.146]:47340 "EHLO e6.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932532AbXBNWVl (ORCPT ); Wed, 14 Feb 2007 17:21:41 -0500 Date: Wed, 14 Feb 2007 16:21:38 -0600 From: Michael Halcrow To: David Howells Cc: Linus Torvalds , akpm@linux-foundation.org, herbert.xu@redhat.com, linux-kernel@vger.kernel.org, davej@redhat.com, arjan@infradead.org, linux-crypto@vger.kernel.org Subject: Re: [PATCH 0/6] MODSIGN: Kernel module signing Message-ID: <20070214222138.GB4884@us.ibm.com> Reply-To: Michael Halcrow References: <20070214213200.GA4852@us.ibm.com> <20070214190938.6438.15091.stgit@warthog.cambridge.redhat.com> <7291.1171482057@redhat.com> <9513.1171490377@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9513.1171490377@redhat.com> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 869 Lines: 21 On Wed, Feb 14, 2007 at 09:59:37PM +0000, David Howells wrote: > Michael Halcrow wrote: > > > Right now, eCryptfs just delegates its modular exponentiation > > operations to a userspace daemon. If RSA ever finds its way into the > > kernel, I might tweak eCryptfs to use that instead for some of the > > public key operations. > > Am I right in thinking that RSA uses many of the same MPI lib bits > as DSA? I would imagine so. Assuming we aren't having to hassle with key generation (eCryptfs takes care of that in userspace), then RSA is, more or less, a^b mod c (mpi_mulpowm() and friends). Mike - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/