Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent
1987-09-16
1989-08-01
Trafton, David L.
Registers
Systems controlled by data bearing records
Credit or identification card systems
235492, 34082531, G06K 500
Patent
active
048535222
ABSTRACT:
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 identification 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 identification 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.
REFERENCES:
patent: 4656342 (1987-04-01), Ugon
patent: 4736094 (1988-04-01), Yoshida
ISO/TC86/SC6/WG7 (ISO No. Not Determined), Part 1 to Part 6.
Intamic; Contribution to ISO; GS/JB/85016; "Vocabulary for IC Cards"; Oct. 22, 1985; 8 pages.
Fujitsu Limited
Trafton David L.
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