🔏 Linux TPM PCR Registry 🗒️ # TPM PCRs are a scarce resource, there are only 24 of them in typical standards compliant TPMs. According to the TCG PC Client Specific Platform Firmware Profile Specification | Trusted Computing Group the OS can make use of PCRs 8…15. This document lists which component is using which PCR on a Linux platform in order to minimize conflicts. PCRs owned by the firmware, i.
