System for permitting access to data field area in ic card...

Details System for permitting access to data field area in ic card... System for permitting access to data field area in ic card...

G - Physics

07

F

352/52, 352/57

G07F 7/10 (2006.01) G06F 1/00 (2006.01) G06F 12/14 (2006.01) G06F 21/00 (2006.01)

Patent

CA 1298653

SYSTEM FOR PERMITTING ACCESS TO DATA FIELD AREA IN IC CARD FOR MULTIPLE SERVICES ABSTRACT OF THE DISCLOSURE A system for permitting access to a data field area in an IC card for multiple services using an individual card holder identification number for each of a plurality of data fields or for each group of data fields. Data field identification information, a personal iden- tification number, access qualification information, and an authentication code are supplied to the IC card before an execution of an access to the data field. An authentication is made between the personal iden- tification number and the authentication code stored in the IC card for the selected data field, and the personal identification number and the authentication code supplied to the IC card. Based on the result of the authentication, an access to the data field area to which access is requested is permitted within the limit of the access right stored in the IC card corresponding to the access qualification information supplied to the IC card.

546601

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