RPMC Support Using eSPI OOB (eRPMC)

Architecture Specification

ID Date Version Classification
739180 03/01/2023 Public

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Document Table of Contents
Document Table of Contents
Legal Revision History References Introduction eRPMC Implementation
Legal
Revision History
References
Introduction
eRPMC Implementation
eRPMC Implementation eRPMC - RPMC Commands as OOB over eSPI (Tunneled SMBus Messages – MCTP) Maximum Payload Size (MPS) SMB/MCTP Parameters RPMC Commands Reserved Command-type Monotonic Counters
eRPMC - RPMC Commands as OOB over eSPI (Tunneled SMBus Messages – MCTP)
eRPMC - RPMC Commands as OOB over eSPI (Tunneled SMBus Messages – MCTP) Format Used for RPMC OOB Commands
Format Used for RPMC OOB Commands
Maximum Payload Size (MPS)
SMB/MCTP Parameters
RPMC Commands
RPMC Commands Write Root Key Register Update HMAC Key Register Increment Monotonic Counter Request Monotonic Counter Read RPMC Parameters
Write Root Key Register
Update HMAC Key Register
Increment Monotonic Counter
Request Monotonic Counter
Read RPMC Parameters
Reserved Command-type
Monotonic Counters

Revision History

Document Number

Revision Number

Description

Revision Date

739180

0.7

  • Initial Release

August 2022

0.7.1

  • Updated Read RPMC Parameters response definition

    • Update: Byte count & length

  • Updated document chapters numbering

March 2023

References