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TPM GPIO fail vulnerability

NOTE: this PoC isn't fully complete yet and only support some example platforms.

Detection utility

See detect directory.

Reset PoC

See reset directory, currently SPT-S/H, KBP-S/H, ADL-S/H, and RPL-S/H are supported.

  1. Compile with make
  2. Then run tpm2_shutdown -c && ./inteltool && tpm2_startup -c (needs tpm2-tools)
  3. Check PCRs via sysfs.

Errors/warnings shown by tpm2-tools are likely normal and can be ignored as long as PCRs are clear in step 3.