(19)
(11) EP 2 300 940 A1

(12)

(43) Date of publication:
30.03.2011 Bulletin 2011/13

(21) Application number: 08767782.9

(22) Date of filing: 16.05.2008
(51) International Patent Classification (IPC): 
G06F 17/30(2006.01)
(86) International application number:
PCT/US2008/006346
(87) International publication number:
WO 2009/139750 (19.11.2009 Gazette 2009/47)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(71) Applicant: Objective Interface Systems, Inc.
Herndon, VA 20170 (US)

(72) Inventors:
  • BECKWITH, R. William
    Great Falls Virginia 22066-13563 (US)
  • MARSHALL, Jeffrey G.
    Herndon VA 20171 (US)
  • CHILTON, Jeffrey W.
    Reston Virginia 20191 (US)

(74) Representative: Hutchinson, Glenn Stanley 
Harrison Goddard Foote Fountain Precinct Balm Green
Sheffield South Yorkshire S1 2JA
Sheffield South Yorkshire S1 2JA (GB)

   


(54) SYSTEM AND METHOD THAT USES CRYPTOGRAPHIC CERTIFICATES TO DEFINE GROUPS OF ENTITIES