The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 04, 2011

Filed:

Jun. 18, 2002
Applicants:

Jonathan Griffin, Bristol, GB;

Christopher I. Dalton, Bristol, GB;

Michael Child, Bath, GB;

Liqun Chen, Bristol, GB;

Andrew Patrick Norman, Bristol, GB;

Inventors:

Jonathan Griffin, Bristol, GB;

Christopher I. Dalton, Bristol, GB;

Michael Child, Bath, GB;

Liqun Chen, Bristol, GB;

Andrew Patrick Norman, Bristol, GB;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/44 (2006.01); G06F 9/455 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

A computing platformprovides multiple computing environmentseach containing a guest operating systemprovided by a virtual machine applicationOptionally, each computing environmentis formed in a compartmentof a compartmented host operating system. A trusted deviceverifies that the host operating systemand each guest operating systemoperates in a secure and trusted manner by forming integrity metrics which can be interrogated by a user. Each computing environment is isolated and secure, and can be verified as trustworthy independent of any other computing environment.


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