(19)
(11) EP 3 864 559 A1

(12)

(43) Date of publication:
18.08.2021 Bulletin 2021/33

(21) Application number: 19794842.5

(22) Date of filing: 10.10.2019
(51) International Patent Classification (IPC): 
G06F 40/166(2020.01)
G06F 40/12(2020.01)
(86) International application number:
PCT/US2019/055579
(87) International publication number:
WO 2020/077061 (16.04.2020 Gazette 2020/16)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 10.10.2018 US 201816156349
10.10.2018 US 201816156353
22.10.2018 US 201816166770

(71) Applicant: THALES DIS CPL USA, INC.
Belcamp, MD 21017 (US)

(72) Inventors:
  • HOLLAND, Christopher
    Cedar Park, Texas 78613 (US)
  • EGAN, Russell
    Cedar Park, Texas 78613 (US)

(74) Representative: Grevin, Emmanuel 
Thales Dis France SA Intellectual Property Department 525, avenue du Pic de Bertagne CS12023
13881 Gémenos Cedex
13881 Gémenos Cedex (FR)

   


(54) METHOD FOR SECURING A DIGITAL DOCUMENT