Registers – Systems controlled by data bearing records – Banking systems
Patent
1982-12-01
1985-02-26
Rubinson, Gene Z.
Registers
Systems controlled by data bearing records
Banking systems
235380, 235381, 34082534, H04L 900
Patent
active
045019576
ABSTRACT:
A verifier for use in a personal identification system of the type in which a generator receives at least a personal account number (PAN) and a secret personal identification number (PIN) and based thereon produces digits A.sub.i 's which are present in a feedback shift register (FSR) A and digits C.sub.i 's present in a feedback shift register (FSR) C respectively. The A.sub.i 's and C.sub.i 's are mapped into D.sub.i 's which represent digits of an Offset Number which together with the PAN are recorded on the magnetic stripe of a card. To use the cards the Offset Number and the PAN are read off therefrom and an intended user enters a secret PIN. In the verifier, the PIN is operated upon to produce C.sub.i 's and the PAN is operated upon to produce A.sub.i 's. The latter together with the D.sub.i 's of the received Offset Number are mapped by a processer (201) to form C.sub.i.sup.c 's. These are compared with the C.sub.i 's by a comparator (202) to determine whether the intended card user is the rightful user.
REFERENCES:
patent: 4288659 (1981-09-01), Atalla
patent: 4304990 (1981-12-01), Atalla
patent: 4328414 (1982-05-01), Atalla
patent: 4357529 (1982-11-01), Atalla
IBM Tech. Disclosure Bul., vol. 25, No. 5, Oct. 1982, p. 2358, Lennon, Matyas, Meyer.
Goldfine Milton
Perlman Marvin
Kleinberg Marvin H.
Lev Robert
Rubinson Gene Z.
Trans-Cryption, Inc.
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