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From: Masahisa Kojima <masahisa.kojima@linaro.org>
To: Heinrich Schuchardt <xypron.glpk@gmx.de>,
	Alexander Graf <agraf@csgraf.de>,
	Ilias Apalodimas <ilias.apalodimas@linaro.org>,
	Simon Glass <sjg@chromium.org>,
	Masahisa Kojima <masahisa.kojima@linaro.org>,
	Dhananjay Phadke <dphadke@linux.microsoft.com>,
	AKASHI Takahiro <takahiro.akashi@linaro.org>,
Subject: [PATCH v4 0/5] add measurement support
Date: Fri, 13 Aug 2021 16:12:38 +0900	[thread overview]
Message-ID: <20210813071243.18885-1-masahisa.kojima@linaro.org> (raw)

This patch series add the support of measurement
descibed in TCG PC Client PFP spec(Version 1.05 Revision 23).

Eventlog generated with this patch series are tested on
the aarch64 based machine(Socionext Developerbox) and fTPM
running on OP-TEE.
The eventlog result is almost same result as the one
generated by edk2 running on the Devloperbox and Secure96.

This patch series does not cover all measurement requirements
described in TCG spec, the remaining items will be supported
in the future.
Major missing items in TCG PC Client PFP spec:
 1) If the secure boot variables are updated after they are
   initially measured in PCR[7] and before ExitBootServices()
   has completed, the platform MAY be restarted OR the variables
   MUST be remeasured into PCR[7].
 2) SMBIOS structure measurement
 3) "DeployedMode" and "AuditMode" measurement
 4) EV_EFI_GPT_EVENT event
 5) Measurement of U-boot itself. I assume U-boot measurement will be done
    by the former firmware such as trusted firmware.

Masahisa Kojima (5):
  efi_loader: add secure boot variable measurement
  efi_loader: add boot variable measurement
  efi_loader: add ExitBootServices() measurement
  efi_loader: refactor efi_append_scrtm_version()
  efi_loader: add comment for efi_tcg2.h

 include/efi_loader.h          |   5 +
 include/efi_tcg2.h            |  77 +++++++-
 include/tpm-v2.h              |  18 +-
 lib/efi_loader/efi_boottime.c |  25 +++
 lib/efi_loader/efi_tcg2.c     | 356 +++++++++++++++++++++++++++++++++-
 5 files changed, 471 insertions(+), 10 deletions(-)


             reply	other threads:[~2021-08-13  7:12 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-13  7:12 Masahisa Kojima [this message]
2021-08-13  7:12 ` [PATCH v4 1/5] efi_loader: add secure boot variable measurement Masahisa Kojima
2021-08-13  7:12 ` [PATCH v4 2/5] efi_loader: add " Masahisa Kojima
2021-08-13  7:12 ` [PATCH v4 3/5] efi_loader: add ExitBootServices() measurement Masahisa Kojima
2021-08-14  8:28   ` Heinrich Schuchardt
2021-08-14  9:06   ` Heinrich Schuchardt
2021-08-16  0:33     ` Masahisa Kojima
2021-08-13  7:12 ` [PATCH v4 4/5] efi_loader: refactor efi_append_scrtm_version() Masahisa Kojima
2021-08-13  7:12 ` [PATCH v4 5/5] efi_loader: add comment for efi_tcg2.h Masahisa Kojima

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