(19)

(11)

EP 3 577 849 A1

(12)

(43) Date of publication: 11.12.2019 Bulletin 2019/50 (21) Application number: 18705732.8 (22) Date of filing: 31.01.2018

(51) International Patent Classification (IPC):  H04L 9/08(2006.01) H04L 9/32(2006.01) (86) International application number: PCT/IB2018/050587 (87) International publication number: WO 2018/142291 (09.08.2018 Gazette 2018/32)

(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: MA MD TN (30) Priority: 01.02.2017 GB 201701645 (71) Applicant: Zinias B.V. 1058 ER Amsterdam (NL)	(72) Inventor: ZIJLSTRA, Guus 1058 ER Amsterdam (NL) (74) Representative: Dehns  St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)