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US5712914: Digital certificates containing multimedia data extensions

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Filing Information

Inventor(s) David W. Aucsmith · George Cox · Paul E. Onnen ·
Assignee(s) Intel Corporation ·
Attorney/Agent(s) Blakely, Sokoloff, Taylor & Zafman ·
Primary Examiner Salvatore Cangialosi ·
Application Number US8536271
Filing date 09/29/1995
Issue date 01/27/1998
Predicted expiration date 09/29/2015
U.S. Classifications 380/30  ·
International Classifications H04L 930  ·
Kind CodeA
International Classifications 38030 ·
47 Claims, No Drawings


Abstract

A method and apparatus of communicating information comprising providing a datum which includes a digital certificate containing data. The digital certificate including an extension which includes: a first identifier which specifies a major classification of the data; a second identifier which specifies a minor classification of the data; and data in a format according to the major classification and the minor classification, the data indicating an owner of the datum and a use for which the datum is intended. The certificate allows authentication of the certificate itself and the data contained therein, and the data contained in the certificate can include information allowing verification of the identity of the holder of the certificate.

Independent Claims | See all claims (47)

  1. 1. A method of communicating information comprising providing a datum which includes a digital certificate containing data, said digital certificate including an extension which includes:a. a first identifier which specifies a first classification of said data, the first classification specifies a basic use of said digital certificate;b. a second identifier which specifies a second classification of said data, the second classification specifies a specific type of said digital certificate; andc. said data in a format according to said first classification and said second classification, said data indicating an owner of said datum and a use for which said datum is intended.
  2. 17. A multimedia digital certificate system comprising:a. a first circuit for creating a digital certificate which provides stand-alone authentication, said digital certificate including a certificate authentication field encoded with a private key; andb. a second circuit for extending said digital certificate to include an extension, said extension including multimedia data.
  3. 32. An apparatus for communicating information comprising a circuit for processing a datum which includes a digital certificate containing data, said digital certificate including an extension which includes:a. a first identifier which specifies a first classification of said data, the first classification specifies a basic use of said certificate;b. a second identifier which specifies a second classification of said data, the second classification specifies a specific type of said certificate; andc. said data in a format according to said first classification and said second classification, said data indicating an owner of said datum and a use for which said datum is intended.

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Patent Family

Document NumberAssigneeInventorsIssue/Pub Date
US5712914 Intel Corporation David W. Aucsmith et al. Jan 1998
US5878144 Intel Corporation David W. Aucsmith et al. Mar 1999