From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18096C433DF for ; Sun, 9 Aug 2020 13:51:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E2527206B2 for ; Sun, 9 Aug 2020 13:51:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="dxmEUAxo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726291AbgHINvj (ORCPT ); Sun, 9 Aug 2020 09:51:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726070AbgHINvX (ORCPT ); Sun, 9 Aug 2020 09:51:23 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CFA6C061756 for ; Sun, 9 Aug 2020 06:51:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description; bh=eQOvWGmUJMXPIJVB798XbgQuvkoF8pF5DTbRzf6kKvY=; b=dxmEUAxoRemR0+CrG+gfiO0wvq FEH+tXRLOWWkLBXYMTU756bt/EQThi6zCChVQXp51077EyOvH+q3kfO9vX33t7SG0nWGBYZz52LQH cmhQB319yvuw0L0edCDNSmOi0Fp2n+dJU5MjlyXLkLSZRvlx/vpzUqyBFVYcIqD0q0UKEnqy/AgY8 XDdGrB0x3DCUe46SPPOm2ytJO0n40VKIf4UxMwDYN44g1DYO3K6eDBXDYu0G8pzhQ5OS5bF+oGHo3 ps+K28/3ii/bS4UFfdyyjDReNGl3LvPkRdde5cIZG+XHLNX9I0PXSg/ELXMZDnVhcpn0Sqfz9mON3 jCEIufEw==; Received: from [2601:1c0:6280:3f0:897c:6038:c71d:ecac] by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1k4lj1-0007LC-1b; Sun, 09 Aug 2020 13:50:59 +0000 Subject: Re: [DRAFT PATCH] random32: make prandom_u32() output unpredictable To: George Spelvin , netdev@vger.kernel.org Cc: w@1wt.eu, aksecurity@gmail.com, torvalds@linux-foundation.org, edumazet@google.com, Jason@zx2c4.com, luto@kernel.org, keescook@chromium.org, tglx@linutronix.de, peterz@infradead.org, tytso@mit.edu, lkml.mplumb@gmail.com, stephen@networkplumber.org, fw@strlen.de References: <20200808152628.GA27941@SDF.ORG> <20200809065744.GA17668@SDF.ORG> From: Randy Dunlap Message-ID: Date: Sun, 9 Aug 2020 06:50:52 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200809065744.GA17668@SDF.ORG> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 8/8/20 11:57 PM, George Spelvin wrote: +#elif BITS_PER_LONG == 23 s/23/32/ ??? -- ~Randy