Core Root of Trust for Measurement (CRTM)
Core Root of Trust for Measurement (CRTM)
The first piece of BIOS code that executes on the main processor during the boot process. On a system with a Trusted Platform Module the CRTM is implicitly trusted to bootstrap the process of building a measurement chain for subsequent attestation of other firmware and software that is executed on the computer system.
Source: NIST SP 800-147 | Category: