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=-8.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 autolearn=ham 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 ABF05C43603 for ; Mon, 9 Dec 2019 08:55:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 61B6620692 for ; Mon, 9 Dec 2019 08:55:48 +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="Glmm5Paw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727044AbfLIIzs (ORCPT ); Mon, 9 Dec 2019 03:55:48 -0500 Received: from merlin.infradead.org ([205.233.59.134]:56770 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726377AbfLIIzs (ORCPT ); Mon, 9 Dec 2019 03:55:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Mime-Version:Content-Type:References: In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=4MOS6QrGq26bUmpcHg27UpSMk2XjE+sa3RxmC/yoSnI=; b=Glmm5PawG+RO98l/MuXecKk+e QhYfifPN73lzwhKNJWHfrKq38jZEEmQFt1GCh3Eawx6y/G2cVi3jEyVCHGBhDCtPjAb6piPAkpAP9 WbgPZc5lwojYN4LxkZrw+ZgvpwjDMbNPM3GDmsciKBoxTucg6aRmBTfl+sdslNyTcub7sS351ZESo 2dgMgSJKb5kueM/o2m+UCeYQwnrwQLwjT/awP+IZddDk6EC9EeLcPm12s+v7uonnvmQw8Nsl/UmkF Z+Jq/cSq6kEFTk15EurvzhzB/bOZz3T86Jl1jWPiDkXPW3lr8NwrMq9xJdY7qiM0FlUv/11+/l5r7 sWNHdKBGg==; Received: from 54-240-197-228.amazon.com ([54.240.197.228] helo=freeip.amazon.com) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1ieEpT-0005zf-KI; Mon, 09 Dec 2019 08:55:43 +0000 Message-ID: <194d8ba601b9ecb43e812445729c6270e9f32162.camel@infradead.org> Subject: Re: [PATCH 3/8] oid_registry: Add TCG defined OIDS for TPM keys From: David Woodhouse To: James Bottomley , linux-integrity@vger.kernel.org, monty.wiseman@ge.com Cc: Mimi Zohar , Jarkko Sakkinen Date: Mon, 09 Dec 2019 08:55:40 +0000 In-Reply-To: <1575781746.14069.11.camel@HansenPartnership.com> References: <1575781600.14069.8.camel@HansenPartnership.com> <1575781746.14069.11.camel@HansenPartnership.com> Content-Type: multipart/signed; micalg="sha-256"; protocol="application/x-pkcs7-signature"; boundary="=-B0ADI04lvrP7icvxF06E" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.1 Mime-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org --=-B0ADI04lvrP7icvxF06E Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sat, 2019-12-07 at 21:09 -0800, James Bottomley wrote: > The TCG has defined an OID prefix "2.23.133.10.1" for the various TPM > key uses. We've defined three of the available numbers: >=20 > 2.23.133.10.1.3 TPM Loadable key. This is an asymmetric key (Usually > RSA2048 or Elliptic Curve) which can be imported by a > TPM2_Load() operation. >=20 > 2.23.133.10.1.4 TPM Importable Key. This is an asymmetric key (Usually > RSA2048 or Elliptic Curve) which can be imported by a > TPM2_Import() operation. >=20 > Both loadable and importable keys are specific to a given TPM, the > difference is that a loadable key is wrapped with the symmetric > secret, so must have been created by the TPM itself. An importable > key is wrapped with a DH shared secret, and may be created without > access to the TPM provided you know the public part of the parent key. >=20 > 2.23.133.10.1.5 TPM Sealed Data. This is a set of data (up to 128 > bytes) which is sealed by the TPM. It usually > represents a symmetric key and must be unsealed before > use. Do we still not have an official reference for these that you can provide in the commit or the file itself? It would be very nice to have something more than a verbal assurance that they're in Monty's spreadsheet. > Signed-off-by: James Bottomley > --- > include/linux/oid_registry.h | 5 +++++ > 1 file changed, 5 insertions(+) >=20 > diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h > index 657d6bf2c064..a4cee888f9b0 100644 > --- a/include/linux/oid_registry.h > +++ b/include/linux/oid_registry.h > @@ -107,6 +107,11 @@ enum OID { > OID_gostTC26Sign512B, /* 1.2.643.7.1.2.1.2.2 */ > OID_gostTC26Sign512C, /* 1.2.643.7.1.2.1.2.3 */ > =20 > + /* TCG defined OIDS for TPM based keys */ > + OID_TPMLoadableKey, /* 2.23.133.10.1.3 */ > + OID_TPMImporableKey, /* 2.23.133.10.1.4 */ > + OID_TPMSealedData, /* 2.23.133.10.1.5 */ > + > OID__NR > }; > =20 --=-B0ADI04lvrP7icvxF06E Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 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