(19)

(11)

EP 4 185 970 A1

(12)

(43) Date of publication: 31.05.2023 Bulletin 2023/22 (21) Application number: 20829048.6 (22) Date of filing: 22.07.2020

(51) International Patent Classification (IPC):  G06F 17/16(2006.01) H04L 9/40(2022.01) (52) Cooperative Patent Classification (CPC): G06F 17/16; H04L 63/1425 (86) International application number: PCT/US2020/043130 (87) International publication number: WO 2022/019907 (27.01.2022 Gazette 2022/04)

(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 (71) Applicant: HRL Laboratories, LLC Malibu, CA 90265 (US)	(72) Inventor: OWECHKO, Yuri Newbury Park, CA 91320 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)