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

Nayna Jain nayna at linux.ibm.com
Thu Dec 6 08:14:58 UTC 2018


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 at huawei.com>
>> Acked-by: Mimi Zohar <zohar at linux.ibm.com>
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen at linux.intel.com>
>
> Mimi, Nayna, can you help with testing this (because of the IMA change)?

Sure, I will try to do by end of my day tomorrow,

Thanks & Regards,
     - Nayna

>
> /Jarkko
>



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