From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from v1.tansi.org (mail.tansi.org [84.19.178.47]) by mail.server123.net (Postfix) with ESMTP for ; Tue, 25 Aug 2020 17:05:31 +0200 (CEST) Received: from gatewagner.dyndns.org (81-6-44-245.init7.net [81.6.44.245]) by v1.tansi.org (Postfix) with ESMTPA id 3BBD914011C for ; Tue, 25 Aug 2020 16:59:29 +0200 (CEST) Date: Tue, 25 Aug 2020 16:59:29 +0200 From: Arno Wagner Message-ID: <20200825145929.GA2811@tansi.org> References: <20200825024450.GB810@sol.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200825024450.GB810@sol.localdomain> Subject: Re: [dm-crypt] Encryption speed and reversing the direction List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: dm-crypt@saout.de On Tue, Aug 25, 2020 at 04:44:50 CEST, Eric Biggers wrote: > On Tue, Aug 25, 2020 at 02:05:35AM -0400, John Lee McMahon wrote: [...] > Also if you actually care about random number generation performance, you > shouldn't be going through the kernel at all, except to read an initial > seed. [...] Not anymore. /dev/urandom has pretty good performance now. On my very old Phenom II fileserver, I get about 270MB/sec with a 5.x kernel. Regards, Arno -- Arno Wagner, Dr. sc. techn., Dipl. Inform., Email: arno@wagner.name GnuPG: ID: CB5D9718 FP: 12D6 C03B 1B30 33BB 13CF B774 E35C 5FA1 CB5D 9718 ---- A good decision is based on knowledge and not on numbers. -- Plato If it's in the news, don't worry about it. The very definition of "news" is "something that hardly ever happens." -- Bruce Schneier