(19)

(11)

EP 1 105 811 A1

(12)

(43) Date of publication: 13.06.2001 Bulletin 2001/24 (21) Application number: 98941023.8 (22) Date of filing: 21.08.1998

(51) International Patent Classification (IPC)7: G06F 17/00 (86) International application number: PCT/US9817/365 (87) International publication number: WO 0011/567 (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 (71) Applicant: Visto Corporation Mountain View, CA 94043 (US)	(72) Inventors: MENDEZ, Daniel, J. Mountain View, CA 94041 (US) RIGGINS, Mark, D. San Jose, CA 95123 (US) WAGLE, Prasad Santa Clara, CA 95051 (US) YING, Christine, C. Foster City, CA 94404 (US) (74) Representative: Harris, Ian Richard et al D. Young & Co.,21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)