(19)

(11)

EP 1 105 784 A1

(12)

(43) Date of publication: 13.06.2001 Bulletin 2001/24 (21) Application number: 99939542.9 (22) Date of filing: 12.08.1999

(51) International Patent Classification (IPC)7: G06F 1/00 (86) International application number: PCT/GB9902/672 (87) International publication number: WO 0011/537 (02.03.2000 Gazette 2000/09)

(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: 20.08.1998 GB 9818186 (71) Applicant: Comodo Technology Development Limited West Yorkshire, BD7 1DQ (GB)	(72) Inventor: ABDULHAYOGLU, Melih Bradford,West Yorkshire BD7 1DQ (GB) (74) Representative: Brandon, Paul Laurence et al APPLEYARD LEES,15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)