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Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs support,for TPM 2.0 firmware event log

From James Morris <jmorris@namei.org>
Newsgroups linux.kernel
Subject Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs support,for TPM 2.0 firmware event log
Date 2017-01-31 22:50 +0100
Message-ID <t5Otk-5NY-9@gated-at.bofh.it> (permalink)
References <t3DiG-76w-35@gated-at.bofh.it> <t5gL0-2ll-13@gated-at.bofh.it> <t5gL0-2ll-11@gated-at.bofh.it> <t5KJ4-3yR-15@gated-at.bofh.it> <t5Nnz-5bA-1@gated-at.bofh.it>
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On Tue, 31 Jan 2017, Jarkko Sakkinen wrote:

> James,
> 
> The discussion is about two features:
> 
> 1. Extension to tpm_pcr_extend() (used by IMA) to extend all PCR banks
>    instead of just SHA-1 banks. It is recommended by TCG to do so in
>    order to prevent malicious use of PCRs.
> 2. TPM 2.0 event log with backend support for OF device tree (for
>    getting address where you can grab it).
> 
> These are required as baseline to implement full TPM 2.0 support for
> IMA. The commits are fairly well baked and went through many iterations.
> I've tested tpm_pcr_extend() patches. I haven't tested event log patches
> but have extensively reviewed them and Ken Goldman has tested them with
> POWER hardware.
> 
> I don't believe that there is major risk to put them already into 4.11
> but it is fairly late so I just want a second opinion before putting
> them into pull request.
> 

I'll take this for 4.11.  IMA + TPM 2.0 is still developmental and not in 
wide use, afaik.



-- 
James Morris
<jmorris@namei.org>

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Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-31 18:50 +0100
  Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-31 21:40 +0100
    Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log James Morris <jmorris@namei.org> - 2017-01-31 22:50 +0100
      Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-31 23:40 +0100
      Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-02-01 04:50 +0100
        Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-01 11:40 +0100
          Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-02-01 14:50 +0100
            Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-01 19:30 +0100
  Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-31 22:00 +0100
    Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Nayna <nayna@linux.vnet.ibm.com> - 2017-02-01 08:40 +0100
      Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-01 19:30 +0100
    Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-01 15:50 +0100
      Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-01 16:00 +0100
        Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Nayna <nayna@linux.vnet.ibm.com> - 2017-02-01 20:30 +0100
          Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-01 21:00 +0100
  Re: Fwd: Re: [tpmdd-devel] [PATCH v9 2/2] tpm: add securityfs  support,for TPM 2.0 firmware event log Nayna <nayna@linux.vnet.ibm.com> - 2017-01-31 22:00 +0100

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