From owner-freebsd-hackers@freebsd.org Tue Jul 14 01:33:49 2015 Return-Path: Delivered-To: freebsd-hackers@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 512069989B6 for ; Tue, 14 Jul 2015 01:33:49 +0000 (UTC) (envelope-from marcus@odin.blazingdot.com) Received: from odin.blazingdot.com (odin.blazingdot.com [204.109.60.170]) by mx1.freebsd.org (Postfix) with ESMTP id 399291633 for ; Tue, 14 Jul 2015 01:33:48 +0000 (UTC) (envelope-from marcus@odin.blazingdot.com) Received: by odin.blazingdot.com (Postfix, from userid 1001) id C76351320ED; Mon, 13 Jul 2015 18:33:42 -0700 (PDT) Date: Mon, 13 Jul 2015 18:33:42 -0700 From: Marcus Reid To: RW Cc: freebsd-hackers@freebsd.org Subject: Re: Does /dev/random in virtual guests provide good random data? Message-ID: <20150714013342.GA79791@blazingdot.com> References: <55A2FB68.3070006@rawbw.com> <55A3763B.7010303@rawbw.com> <20150713144630.32cd851a@gumby.homeunix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150713144630.32cd851a@gumby.homeunix.com> X-Coffee-Level: nearly-fatal User-Agent: Mutt/1.5.23 (2014-03-12) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Jul 2015 01:33:49 -0000 On Mon, Jul 13, 2015 at 02:46:30PM +0100, RW via freebsd-hackers wrote: > FreeBSD uses Yarrow As of recently, -CURRENT uses Fortuna by default, which is the successor to Yarrow. It was also devised by Bruce Schneier (with Neils Ferguson). > , which was designed by Bruce Schneier, a professional cryptographer > who created the Blowfish cipher, the AES candidate Twofish and PGP. PGP was created by Phil Zimmermann, not Schneier. Marcus > Linux's /dev/random was designed by programmers; actually a lot of > them, its greatest problem is that it's a mess of patches from > amateurs.