On Mon, Sep 07, 2020 at 04:21:21PM +0300, Jarkko Sakkinen wrote: > 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. You can dump all registers in a single binary file in sysfs as well :)
