Received: by 2002:a05:7412:b10a:b0:f3:1519:9f41 with SMTP id az10csp2616357rdb; Mon, 4 Dec 2023 02:42:21 -0800 (PST) X-Google-Smtp-Source: AGHT+IGOQoOCgKECZv64kFvhAueLZCEWCIQjw7bBHLPfg+uPZSUXwhp5idfqnLHDcHsFsa1uv0L6 X-Received: by 2002:a05:6a20:734d:b0:186:c0fe:b842 with SMTP id v13-20020a056a20734d00b00186c0feb842mr2074096pzc.2.1701686541341; Mon, 04 Dec 2023 02:42:21 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1701686541; cv=pass; d=google.com; s=arc-20160816; b=i9wD+4gmjy9PiyVzKIv+ID8rBBknV2rsY33EHaEO2AcZhcqUbsebbeDT0/PYa4Dv2j ElKyYFcMkBmprxKbpg2YRQqBzsNSL6/TN3oWhJRe3iUtScfjgD9i5HmhVn6WYaWvCuXh p6ANpwfJzye4VXQoW+s5pqW4JMjgyR4q6qGOCBYmarArwP82zUp5vC4QiXhu2GYjXq+6 ZWOGM7oEJWnemft1tT3F3p1MyNaNNZJ2PP643tESaPHjOnykbngqJFYtnms0GZvPijlJ UsL8al8/2oJApetoYQKYc7T3HO+HhnDY08e8gnMyy9ADdLkSgKfe3fq2ssHP/OEfD8mj edRQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature:dkim-signature; bh=nW8Z5m5bh3cNM81N3rj+G3+VMFppcIIbSZzfhji3ATs=; fh=kk4mWdnFVS94SoJjs+4uwG+Ly9wOcR0nNES5ZFbRoZQ=; b=zmAhInvIIvmb+XhA0CNC2pTlFxEgyquzjBDGY8yxfr2R0yWA8+qlgLNZ/jlc2Sdz2a eKGgpZ+f2f6pzz2rkWBLTFuYipTbP6Kis1FNKEcN0OlL1mhhtbm5LH9sD9/idC7rV7KI DcxJOUxWeGNYj5FWwfrG0RYeYBWTfyfdHCpyT6RN2ryNrLMDd1T1rfXQ9oYyTBKZqyp8 bYVOq5QnZtlOeqrtsXO5A53r63lSEBYfrKmBpYkQhlzTLTJc0/++IjZjCm5C8PML+7GF 8yWy63R1u6Qd8GHdHbyfsaqcQemLjQlNpqjAFm6tItfWipcr/6GyWkl70VstHuyOXLfJ a0xQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@chronox.de header.s=strato-dkim-0002 header.b=WROvKzdy; dkim=neutral (no key) header.i=@chronox.de header.s=strato-dkim-0003 header.b=Wox73u9Y; arc=pass (i=1); spf=pass (google.com: domain of linux-crypto+bounces-534-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-crypto+bounces-534-linux.lists.archive=gmail.com@vger.kernel.org" Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id si18-20020a17090b529200b0028047ab56desi8199147pjb.36.2023.12.04.02.42.21 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Dec 2023 02:42:21 -0800 (PST) Received-SPF: pass (google.com: domain of linux-crypto+bounces-534-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=pass header.i=@chronox.de header.s=strato-dkim-0002 header.b=WROvKzdy; dkim=neutral (no key) header.i=@chronox.de header.s=strato-dkim-0003 header.b=Wox73u9Y; arc=pass (i=1); spf=pass (google.com: domain of linux-crypto+bounces-534-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-crypto+bounces-534-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id C9D2A280D3B for ; Mon, 4 Dec 2023 10:42:20 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 78062224D4 for ; Mon, 4 Dec 2023 10:42:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=chronox.de header.i=@chronox.de header.b="WROvKzdy"; dkim=permerror (0-bit key) header.d=chronox.de header.i=@chronox.de header.b="Wox73u9Y" X-Original-To: linux-crypto@vger.kernel.org Received: from mo4-p00-ob.smtp.rzone.de (mo4-p00-ob.smtp.rzone.de [81.169.146.161]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 559BCCC for ; Mon, 4 Dec 2023 02:35:55 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1701686153; cv=none; d=strato.com; s=strato-dkim-0002; b=Iuxyr47FgIPs02ssKk4KoI7TW3FM27FlCpHhlLwFOTE1VqovOvMCRxgpl+L8YLtXDD WZN4kw1xVbENqT27dTU3J52ugv5m9y15/VwgyPHDITCgOMp1j+1V7jx1HLK0duNUurd2 gSC3DFIoHvXktfkfkv2D/oOwcFrz22ABQ11o7tEXS34IjweOnbJVx1yk90+xlk4PvKrG 9lm5BVGmY/JKmQ5yirpD+JvBK6yUyoWggYUzOaCgF4PcHN9T1sPIu58RL/oxVP2coBrE 1uF0cfesdN59FsPqhvCUYXGc914NNDh/fcQQFS1h2vZ3umluTC9C1GWnL7EUKPGAsUDH snFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; t=1701686153; s=strato-dkim-0002; d=strato.com; h=References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=nW8Z5m5bh3cNM81N3rj+G3+VMFppcIIbSZzfhji3ATs=; b=rshiPZfXhh3eH/73OMxP2RhFuybOA7fLv10ZoVUmOPCc5ETHK5kxCySFR0Dut0h8hU JNSw/vFJxZrljrODTSza/0QbSOnKEg1Oi6NbTzfqAyDdKIxnSCC4kW0XSAmQeWLc38XP JB/b2rdZCJxIxyv47G5e+uKj7vAZ6hciMHGncXqO6G7BoatgOV/hPojhvXizt+E5vpmn p2RS2EqerwvHZ3awUo47fuqqfbfdW2lBD8smlkLZG28beXgpVBvwlSiTdiHeiwJjsFRX t6CfmVsPxIbLXygd8wNkUuopFfzCzIwYyBsCzPAntmjnPQxITDrQrbpX/h8RejR7jJWb oMaA== ARC-Authentication-Results: i=1; strato.com; arc=none; dkim=none X-RZG-CLASS-ID: mo00 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1701686153; s=strato-dkim-0002; d=chronox.de; h=References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=nW8Z5m5bh3cNM81N3rj+G3+VMFppcIIbSZzfhji3ATs=; b=WROvKzdyHgLUT/cipqxBF4ePHvD3cUqpgCR+HOgSaA5iLpK+9N1QxmaX8aqf7uVNnc t5MEiUX5ERg8Kx2BdqexrtRB8QdaJ0r12PTEUC+BuTntXU9G8lxdzuS8y6G0Mspg2JHX Sb0CWV963UFfKTYRGG2YU8PLXVuWEz17njvJ3P1/27f61YyEcS9fGGeoY37jqNcPSteV UBP1jZuMjfJhPgOSxljbZj6sw5fDFMjXtWC/vOEu79LWipAodOov/XQroXjfTCqpEBdX smfl8lpbGRiLXarkSIZuSDYfs5wPrOjLUPKMihFpZRyJaEgTr/mu+Uf80YRR891kowi3 5mjA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; t=1701686153; s=strato-dkim-0003; d=chronox.de; h=References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=nW8Z5m5bh3cNM81N3rj+G3+VMFppcIIbSZzfhji3ATs=; b=Wox73u9YXVdc8sWAeXgg4d+4VoxjXn50JCpiGZ59WaRJh/fdtQaE7tHkA4kd80K60v UtaRwj4FFSD16d7EADAQ== X-RZG-AUTH: ":P2ERcEykfu11Y98lp/T7+hdri+uKZK8TKWEqNyiHySGSa9k9y2gdNk2TvDz0d0u1qzE=" Received: from tauon.chronox.de by smtp.strato.de (RZmta 49.9.7 AUTH) with ESMTPSA id jc800bzB4AZqHS3 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Mon, 4 Dec 2023 11:35:52 +0100 (CET) From: Stephan Mueller To: Anton Ivanov , linux-um@lists.infradead.org, Johannes Berg Cc: linux-crypto@vger.kernel.org Subject: Re: jitterentropy vs. simulation Date: Mon, 04 Dec 2023 11:35:52 +0100 Message-ID: <4603694.2J7E7teO9M@tauon.chronox.de> In-Reply-To: References: <1947100.kdQGY1vKdC@tauon.chronox.de> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Am Montag, 4. Dezember 2023, 11:24:25 CET schrieb Johannes Berg: Hi Johannes, > > Well it _looks_ like it might be possible to get rid of it (see above), > however, what I was really thinking is that jitter RNG might detect that > it doesn't actually get any reasonable data and eventually give up, > rather than looping indefinitely? It seems that might be useful more > generally too? Agreed. Let me have a close look at the patch then. Thanks. Ciao Stephan