Return-path: Received: from mail.eperm.de ([89.247.134.16]:34716 "EHLO mail.eperm.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932444AbcHJSDR (ORCPT ); Wed, 10 Aug 2016 14:03:17 -0400 From: Stephan Mueller To: "Pan, Miaoqing" Cc: Herbert Xu , Matt Mackall , "miaoqing@codeaurora.org" , "Valo, Kalle" , "linux-wireless@vger.kernel.org" , ath9k-devel , "linux-crypto@vger.kernel.org" , "jason@lakedaemon.net" , "Sepehrdad, Pouyan" Subject: Re: [PATCH 2/2] ath9k: disable RNG by default Date: Wed, 10 Aug 2016 09:27:06 +0200 Message-ID: <4321952.1nMxxDi7Wz@positron.chronox.de> (sfid-20160810_232649_879788_FE53D5F9) In-Reply-To: References: <1470726147-30095-1-git-send-email-miaoqing@codeaurora.org> <1526134.1iUazSISyZ@positron.chronox.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-wireless-owner@vger.kernel.org List-ID: Am Mittwoch, 10. August 2016, 07:15:49 CEST schrieb Pan, Miaoqing: Hi Miaoqing, > Hi Stephan, > > NIST SP 800-22-rev1a and NIST SP 800-90B are used together to evaluate the > amount of min entropy the source provides, and not to decide if the source > has passed the tests or failed. See > > https://github.com/usnistgov/SP800-90B_EntropyAssessment > > The goal is often to make sure the input entropy is more than the entropy we > expect from the output. You are correct on the SP800-90B tests (hence I did not refer to them for the binary decision). Yet, SP800-22 with the associated tool delivers a binary decision. Ciao Stephan