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:
Nov. 24, 1998

Filed:

Aug. 23, 1996
Applicant:
Inventors:

Roger Merkling, Palo Alto, CA (US);

Helmut Fieres, Mountain View, CA (US);

Keith Klemba, Palo Alto, CA (US);

Assignee:

Cheyenne Property Trust, San Francisco, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
380 25 ; 380-4 ;
Abstract

Trusted processing capability, for example for a cryptographic unit element in an International Cryptography Framework, secures one or more tasks or processes associated with application code. Trusted processing is assured by a trusted element, where use of the trusted element is based upon the principles of separation and locality, i.e. where the trusted element is associated with a trusted computing base that is separated from the operating system and/or data by a trust boundary, and where protected mechanisms are used to access the trusted element, such that trusted execution occurs only locally in a trusted execution area. The trust processing capability also encompasses a policy controlled main CPU.


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