From nobody Mon Feb 9 09:34:39 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) client-ip=66.175.222.12; envelope-from=bounce+27952+63760+1787277+3901457@groups.io; helo=web01.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+63760+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1596674047; cv=none; d=zohomail.com; s=zohoarc; b=TbURQV1VqvPCGg2Txlv7p0UEUWLjDaZgkZcJkY4Nvd/eks7OhiWEZwmJ3UHbQg7jYXOHaym49seWD6/T/VJtf8B+oGOhSbMTZ3lAZ6e80833wt6T15MEfKDoGPyoS25R3r/BUEcFWj1Z10WFUtKANcvI9iBIVqhC7NIMOgjx7wU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1596674047; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; 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a="150152862" X-IronPort-AV: E=Sophos;i="5.75,439,1589266800"; d="scan'208";a="150152862" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2020 17:34:03 -0700 IronPort-SDR: N/851xkmH8VZik1HnBvMaFdrvtCDiNXqE3wtc0YEwOilWfxooOcr3Woj6SDR+FAqaCItb0ES0+ JlSkpLDOqk/g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,439,1589266800"; d="scan'208";a="274924491" X-Received: from shwdesssddpdqi.ccr.corp.intel.com ([10.239.9.10]) by fmsmga007.fm.intel.com with ESMTP; 05 Aug 2020 17:34:02 -0700 From: "Qi Zhang" To: devel@edk2.groups.io Cc: Qi Zhang , Jiewen Yao , Jian J Wang , Rahul Kumar Subject: [edk2-devel] [PATCH v2 9/9] SecurityPkg/Tcg2: handle PRE HASH and LOG ONLY Date: Thu, 6 Aug 2020 08:33:42 +0800 Message-Id: <20200806003342.17866-10-qi1.zhang@intel.com> In-Reply-To: <20200806003342.17866-1-qi1.zhang@intel.com> References: <20200806003342.17866-1-qi1.zhang@intel.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,qi1.zhang@intel.com X-Gm-Message-State: t50aZUgpMCLz8L4FWTeoFrFLx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1596674047; bh=//azuZ67AHZgpBbdhe6s0ime9BvXpmUi7EqCQ8fg6VM=; h=Cc:Date:From:Reply-To:Subject:To; b=rZKrMuvPxS61Y/2pMQHVdaqqBTQqpKIn9DFJBlbjHkcEN3zmFkJScaggG0hVDTl8u6o +qG1rFG6h8xLlEnvrTkqzrO1rvYFTq68y7TjiV9WLbMo/Aec9uRSMJ5rCFGF8UTnFs3+i Dm//gIzo7pWiy4nv3NdheCn0OBbA82EaRR4= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D2376 Cc: Jiewen Yao Cc: Jian J Wang Cc: Qi Zhang Cc: Rahul Kumar Signed-off-by: Qi Zhang Reviewed-by: Jian J Wang --- SecurityPkg/Include/Ppi/Tcg.h | 5 +++++ SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c | 12 +++++++----- 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/SecurityPkg/Include/Ppi/Tcg.h b/SecurityPkg/Include/Ppi/Tcg.h index 0e943f2465..22f47f9817 100644 --- a/SecurityPkg/Include/Ppi/Tcg.h +++ b/SecurityPkg/Include/Ppi/Tcg.h @@ -18,6 +18,11 @@ typedef struct _EDKII_TCG_PPI EDKII_TCG_PPI; // #define EDKII_TCG_PRE_HASH 0x0000000000000001 =20 +// +// This bit is shall be set when HashData is the pre-hash digest and log o= nly. +// +#define EDKII_TCG_PRE_HASH_LOG_ONLY 0x0000000000000002 + /** Tpm measure and log data, and extend the measurement result into a speci= fic PCR. =20 diff --git a/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c b/SecurityPkg/Tcg/Tcg2Pei/Tc= g2Pei.c index 246968bb7f..b56b03746c 100644 --- a/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c +++ b/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c @@ -453,13 +453,15 @@ HashLogExtendEvent ( return EFI_DEVICE_ERROR; } =20 - if(Flags & EDKII_TCG_PRE_HASH) { + if ((Flags & EDKII_TCG_PRE_HASH) || (Flags & EDKII_TCG_PRE_HASH_LOG_ONLY= )) { ZeroMem (&DigestList, sizeof(DigestList)); CopyMem (&DigestList, HashData, sizeof(DigestList)); - Status =3D Tpm2PcrExtend ( - 0, - &DigestList - ); + if (Flags & EDKII_TCG_PRE_HASH) { + Status =3D Tpm2PcrExtend ( + NewEventHdr->PCRIndex, + &DigestList + ); + } } else { Status =3D HashAndExtend ( NewEventHdr->PCRIndex, --=20 2.26.2.windows.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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