(19)
(11) EP 1 221 145 A1

(12)

(43) Date of publication:
10.07.2002 Bulletin 2002/28

(21) Application number: 00917485.5

(22) Date of filing: 03.04.2000
(51) International Patent Classification (IPC)7G07F 7/10, G07F 19/00, H04L 9/32
(86) International application number:
PCT/NL0000/217
(87) International publication number:
WO 0122/373 (29.03.2001 Gazette 2001/13)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 22.09.1999 WO PCT/NL99/00590

(71) Applicant: BA Cards and Security B.V. (BACS)
3828 ZG Hoogland (NL)

(72) Inventors:
  • MOSTERD, Michiel
    NL-1054 WJ Amsterdam (NL)
  • KROP, Hildebrand, Ruben
    NL-1013 RJ Amsterdam (NL)
  • HEIDEN, Paul, Richard
    NL-5332 KB Kerkdriel (NL)
  • VAN WACHEM, Paul, Anthony
    NL-3722 GK Bilthoven (NL)

(74) Representative: Jorritsma, Ruurd 
Nederlandsch OctrooibureauScheveningseweg 82P.O. Box 29720
2502 LS Den Haag
2502 LS Den Haag (NL)

   


(54) METHOD AND SYSTEM FOR PERFORMING A TRANSACTION BETWEEN A CLIENT AND A SERVER OVER A NETWORK