linux-kernel - Re: [PATCH v4 4/6] tpm: modify tpm_pcr_read() definition to pass a TPM hash algorithm

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Message-ID: <7a43680a-a216-a191-62a3-c2fb4e72d699@huawei.com>
Date:   Thu, 8 Nov 2018 15:16:03 +0100
From:   Roberto Sassu <roberto.sassu@...wei.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
CC:     <zohar@...ux.ibm.com>, <linux-integrity@...r.kernel.org>,
        <linux-security-module@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <silviu.vlasceanu@...wei.com>
Subject: Re: [PATCH v4 4/6] tpm: modify tpm_pcr_read() definition to pass a
 TPM hash algorithm

On 11/8/2018 3:04 PM, Jarkko Sakkinen wrote:
> On Tue, Nov 06, 2018 at 04:01:57PM +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>
> 
> Does not apply to the current upstream (with tpm1-cmd.c).

Unfortunately, I cannot fetch the repository as infradead.org only
supports the git protocol (I'm behind a proxy).

Roberto


> /Jarkko
> 

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