Glossary
ACM – Authenticated Code Module. See Intel® Boot Guard.
AC-RAM - RAM Authenticated Code RAM
IBB – Initial Boot Block. See Intel® Boot Guard.
OBB – OEM Boot Block. See Intel® Boot Guard.
CDI – Constrained Data Item. See Clark-Wilson.
UDI – Unconstrained Data Item. See Clark-Wilson.
TP – Transformation Procedure. See Clark-Wilson.
IVP – Integrity Verification Procedure. See Clark-Wilson.
CR – Certification Rule. See Clark-Wilson.
ER – Enforcement Rule. See Clark-Wilson.
OEM – Original Equipment Manufacturer
ODM – Original Design Manufacturer
IBV – Independent BIOS Vendor
IFV – Independent Firmware Vendor
IHV – Independent Hardware Vendor
ISV – Independent Silicon Vendor
OSV – Operating System Vendor
TCB – Trust Computing Base
RoT – Root of Trust
RTU – Root of Trust for Update
RTD – Root of Trust for Detection
RTRec – Root of Trust for Recovery
DICE - Device Identifier Composition Engine
PFR – Platform Firmware Resilience
MMIO – Memory Mapped I/O.
PI – Platform Initialization. Volume 1-5 of the UEFI PI specifications.
SMM – System Management Mode.
UEFI – Unified Extensible Firmware Interface. Firmware interface between the platform and the operating system. Defined by the UEFI Forum (uefi,org).