linux-kernel - Re: [PATCH v6 4/7] tpm: modify tpm_pcr_read() definition to pass a TPM hash algorithm

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Date:   Sun, 9 Dec 2018 17:34:25 +0530
From:   Nayna Jain <nayna@...ux.ibm.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Roberto Sassu <roberto.sassu@...wei.com>
Cc:     zohar@...ux.ibm.com, david.safford@...com, monty.wiseman@...com,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, silviu.vlasceanu@...wei.com
Subject: Re: [PATCH v6 4/7] tpm: modify tpm_pcr_read() definition to pass a
 TPM hash algorithm



On 12/05/2018 05:10 AM, Jarkko Sakkinen wrote:
> On Tue, Dec 04, 2018 at 09:21:35AM +0100, Roberto Sassu wrote:
>> Currently the TPM driver allows other kernel subsystems to read only the
>> SHA1 PCR bank. This patch modifies the parameters of tpm_pcr_read() and
>> tpm2_pcr_read() to pass a tpm_digest structure, which contains the desired
>> hash algorithm. Also, since commit 125a22105410 ("tpm: React correctly to
>> RC_TESTING from TPM 2.0 self tests") removed the call to tpm2_pcr_read(),
>> the new parameter is expected to be always not NULL.
>>
>> Due to the API change, IMA functions have been modified.
>>
>> Signed-off-by: Roberto Sassu <roberto.sassu@...wei.com>
>> Acked-by: Mimi Zohar <zohar@...ux.ibm.com>
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
>
> Mimi, Nayna, can you help with testing this (because of the IMA change)?


Tested-by: Nayna Jain <nayna@...ux.ibm.com>

Thanks & Regards,
     - Nayna



>
> /Jarkko
>