On Mon, Aug 17, 2020 at 02:35:06PM -0700, James Bottomley wrote: > Create sysfs per hash groups with 24 PCR files in them one group, > named pcr-<hash>, for each agile hash of the TPM. The files are > plugged in to a PCR read function which is TPM version agnostic, so > this works also for TPM 1.2 but the hash is only sha1 in that case. > > Note: the macros used to create the hashes emit spurious checkpatch > warnings. Do not try to "fix" them as checkpatch recommends, otherwise > they'll break. > > Signed-off-by: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> > Reviewed-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx> > Tested-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx> I have hard time understanding why this is required. You can grab the information through /dev/tpm0 just fine. /Jarkko
