Identification system for authenticating both IC card and termin

Details Identification system for authenticating both IC card and termin Identification system for authenticating both IC card and termin

1986-09-15

1988-05-24

Leung, Philip H.

Registers

Systems controlled by data bearing records

Credit or identification card systems

235492, 34082534, G06F 1520

Patent

active

047467886

ABSTRACT:
Data unique to an IC card and encrypted unique data obtained by encrypting the unique data are previously stored in the IC card. The encrypted unique data is decrypted in an IC card terminal, to obtain decrypted data and the decrypted data and unique data stored in the IC card are compared on the side of the IC card and also in the IC card terminal, whereby the authenticity of both the IC card and IC card terminal is confirmed.

REFERENCES:
patent: 3760159 (1973-09-01), Davis et al.
patent: 4214230 (1980-07-01), Fak et al.
patent: 4317957 (1982-03-01), Sendrow
patent: 4328414 (1982-05-01), Atalla
patent: 4453074 (1984-06-01), Weinstein
patent: 4630201 (1986-12-01), White
patent: 4650975 (1987-03-01), Kitchener

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