tpm2totp used to do this, and it also eliminated the need to divulge the secret used to unlock the TPM, I now see that it has not seen a commit in 2 years.
I also hear mjg59 is looking into encrypted swap hibernation support, so there's a slim chance there will be some development on the system-attestation front.
I also hear mjg59 is looking into encrypted swap hibernation support, so there's a slim chance there will be some development on the system-attestation front.