On Sun, Sep 06, 2020 at 01:32:45PM -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'm not sure why this should be in sysfs when event log is in securityfs. Also, securityfs does not have to follow sysfs requirements, which gives ability to dump all PCRs in a single binary file. Using ASCII for this is inefficient. /Jarkko
