Secure communication channel for OS access to management controller
US11985243B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2021 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | Dec 8, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3247
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An information handling system may include a host information handling system that is configured to execute a host operating system (OS), a management controller configured to provide out-of-band management of the information handling system, a cryptoprocessor, and a dual-port random-access memory (RAM). The information handling system may be configured to: generate, at the cryptoprocessor, a cryptographic key pair comprising a public key and a private key; transmit a token from the cryptoprocessor to the host information handling system, wherein the token is signed with the private key; transmit the public key from the cryptoprocessor to the dual-port RAM; transmit the public key from the dual-port RAM to the management controller; and based on a verification of the token with the public key, grant access to the management controller from the host OS.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.