On Thu, 2018-03-15 at 10:29 -0700, James Bottomley wrote: > On Thu, 2018-03-15 at 13:14 -0400, Mimi Zohar wrote: > > On Thu, 2018-03-15 at 10:08 -0700, James Bottomley wrote: > > > > > > On Thu, 2018-03-15 at 12:19 -0400, Mimi Zohar wrote: > > > > > > > > > > > > > If EFI is extending the TPM, will the events be added to the TPM > > > > event log or to the IMA measurement list? > > > > > > I'm not proposing any changes to the tpm_pcr_extend API. At the > > > moment it does an extend without logging, so that's what it will do > > > in the EFI driver case as well. That means logging is still the > > > responsibility of the caller. > > > > Does EFI support extending multiple TPM banks? > > The specs are here: > > https://trustedcomputinggroup.org/tcg-efi-protocol-specification/ > > As I said, I'm not planning to change the tpm_pcr_.. API. At the > moment for a TPM2 we extend all banks in the tpm_pcr_extend() API, so > that's what we'll continue to do ... including extending the sha256 > banks with the sha1 hash, which seems to be our current practice. Thanks, what you're planning on doing is a lot clearer now. Mimi
