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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 C3492ECE596 for ; Tue, 8 Oct 2019 23:49:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9C92221920 for ; Tue, 8 Oct 2019 23:49:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729487AbfJHXtl (ORCPT ); Tue, 8 Oct 2019 19:49:41 -0400 Received: from mga04.intel.com ([192.55.52.120]:8641 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726068AbfJHXtl (ORCPT ); Tue, 8 Oct 2019 19:49:41 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Oct 2019 16:49:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,273,1566889200"; d="scan'208";a="197846974" Received: from jhogan1-mobl.ger.corp.intel.com (HELO localhost) ([10.252.2.221]) by orsmga006.jf.intel.com with ESMTP; 08 Oct 2019 16:49:36 -0700 Date: Wed, 9 Oct 2019 02:49:35 +0300 From: Jarkko Sakkinen To: Ken Goldman Cc: "Safford, David (GE Global Research, US)" , Mimi Zohar , "linux-integrity@vger.kernel.org" , "stable@vger.kernel.org" , "open list:ASYMMETRIC KEYS" , "open list:CRYPTO API" , open list Subject: Re: [PATCH] KEYS: asym_tpm: Switch to get_random_bytes() Message-ID: <20191008234935.GA13926@linux.intel.com> References: <1570024819.4999.119.camel@linux.ibm.com> <20191003114119.GF8933@linux.intel.com> <1570107752.4421.183.camel@linux.ibm.com> <20191003175854.GB19679@linux.intel.com> <1570128827.5046.19.camel@linux.ibm.com> <20191004182711.GC6945@linux.intel.com> <20191007000520.GA17116@linux.intel.com> <59b88042-9c56-c891-f75e-7c0719eb5ff9@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <59b88042-9c56-c891-f75e-7c0719eb5ff9@linux.ibm.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org On Mon, Oct 07, 2019 at 06:13:01PM -0400, Ken Goldman wrote: > The TPM library specification states that the TPM must comply with NIST > SP800-90 A. > > https://trustedcomputinggroup.org/membership/certification/tpm-certified-products/ > > shows that the TPMs get third party certification, Common Criteria EAL 4+. > > While it's theoretically possible that an attacker could compromise > both the TPM vendors and the evaluation agencies, we do have EAL 4+ > assurance against both 1 and 2. Certifications do not equal to trust. /Jarkko