InterDigital Inc (IDCC)

[Gamco]

United States Patent 9,679,142
Cha , et al. June 13, 2017

Staged control release in boot process


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.



Inventors:
Cha; Inhyok (Seoul, KR), Shah; Yogendra C (Exton, PA), Case; Lawrence (Austin, TX)

Applicant:


Name

City

State

Country

Type


InterDigital Patent Holdings, Inc.
Wilmington
DE
US


Assignee:
InterDigital Patent Holdings, Inc. (Wilmington, DE)


Family ID:
1000002646484

Appl. No.:
14/507,205

Filed:
October 6, 2014


Prior Publication Data






Document Identifier

Publication Date

US 20150026471 A1 Jan 22, 2015



Related U.S. Patent Documents









Application Number

Filing Date

Patent Number

Issue Date

13084840 Apr 12, 2011 8856941
61323248 Apr 12, 2010
61357474 Jun 22, 2010




Current U.S. Class: 1/1
Current CPC Class: H04L 63/08 (20130101); H04W 12/10 (20130101); G06F 21/57 (20130101); H04L 9/0861 (20130101); G06F 21/86 (20130101); H04W 84/045 (20130101)
Current International Class: H04L 29/06 (20060101); H04W 12/10 (20090101); G06F 21/57 (20130101); H04L 9/08 (20060101); G06F 21/86 (20130101); H04W 84/04 (20090101)
Field of Search: ;713/168

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