Patent · US Active

System and method to secure boot both UEFI and legacy option ROM's with common policy engine

US8694761B2 · kind B2 · utility

10Cited by

8References

24Claims

0Family size

Inventors

Vincent J. Zimmer · Federal Way, US
Mohan Kumar · Secunderabad, IN
Mahesh S. Natu · Folsom, US
Jiewen Yao · Shanghai, CN
Qin Long · Shanghai, CN
Liang Cui · 安丰镇, CN

Key dates

Filing date	Dec 31, 2008
Grant date	Apr 8, 2014
Priority date	—
Expiry date	Jun 8, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG06F21/575
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

In some embodiments, the invention involves using a policy engine during boot, in the driver execution environment (DXE) phases to authenticate that drivers and executable images to be loaded are authenticated. Images to be authenticated include the operating system (OS) loader. The policy engine utilizes a certificate database to hold valid certificates for third party images, according to platform policy. Images that are not authenticated are not loaded at boot time. Other embodiments are described and claimed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.