From owner-freebsd-security@freebsd.org Sat Oct 28 21:52:07 2017 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 71850E4E35C for ; Sat, 28 Oct 2017 21:52:07 +0000 (UTC) (envelope-from rms@gnu.org) Received: from eggs.gnu.org (eggs.gnu.org [IPv6:2001:4830:134:3::10]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 46F3381833 for ; Sat, 28 Oct 2017 21:52:07 +0000 (UTC) (envelope-from rms@gnu.org) Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e8Z1R-0006ir-KP for freebsd-security@freebsd.org; Sat, 28 Oct 2017 17:52:06 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_05,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:53717) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e8Z1E-0006ML-7k; Sat, 28 Oct 2017 17:51:52 -0400 Received: from rms by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1e8Z1D-0002Pw-EV; Sat, 28 Oct 2017 17:51:51 -0400 From: Richard Stallman To: Jules Gilbert CC: phk@phk.freebsd.dk, eric@metricspace.net, nwhitehorn@freebsd.org, freebsd-security@freebsd.org, ben@links.org, pg@eth1.com, jeremiasfeliz@hotmail.com In-reply-to: (message from Jules Gilbert on Fri, 27 Oct 2017 19:17:23 -0400) Subject: Re: Crypto overhaul Reply-to: rms@gnu.org References: <13959.1509132270@critter.freebsd.dk> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Message-Id: Date: Sat, 28 Oct 2017 17:51:51 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Mailman-Approved-At: Sat, 28 Oct 2017 22:47:05 +0000 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Oct 2017 21:52:07 -0000 [[[ To any NSA and FBI agents reading my email: please consider ]]] [[[ whether defending the US Constitution against all enemies, ]]] [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > I'm not a crypto person, but even I wrote a simple factoring program.  > In C, using MAPM.  I produce a few of the left-most bits for a,b, where: > c = a*b; > where a is:  3 .. sqrt(c) > and (of course,) b must be: greater than sqrt(c) If defeating RSA were this easy, the experts would know it and nobody would recommend using RSA. This includes the experts that I consult, that want to help GNU. I conclude you must have made a mistake somewhere. -- Dr Richard Stallman President, Free Software Foundation (gnu.org, fsf.org) Internet Hall-of-Famer (internethalloffame.org) Skype: No way! See stallman.org/skype.html.