Patent · US Active

Staged control release in boot process

US8856941B2 · kind B2 · utility

9Cited by

0References

14Claims

0Family size

Assignee

InterDigital Patent Holdings, Inc. · FR

Inventors

Inhyok Cha · Yardley, US
Yogendra C. Shah · Exton, US
Lawrence Case · Boynton Beach, US

Key dates

Filing date	Apr 12, 2011
Grant date	Oct 7, 2014
Priority date	—
Expiry date	Jul 21, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH04W84/045
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Integrity validation of a network device may be performed. A network device comprising a secure hardware module, may receive a root key. The secure hardware module may also receive a first code measurement. The secure hardware module may provide a first key based on the root key and the first code measurement. The secure hardware module may receive a second code measurement and provide a second key based on the first key and the second code measurement. The release of keys based on code measurements may provide authentication in stages.

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