Process for protection against fraudulent use of smart cards, an

Details Process for protection against fraudulent use of smart cards, an Process for protection against fraudulent use of smart cards, an

1990-10-31

1992-11-10

Shepperd, John W.

Registers

Systems controlled by data bearing records

Credit or identification card systems

235375, 235382, 340825310, 340825340, G06K 500, G06F 1520, G07D 700

Patent

active

051626381

ABSTRACT:
To prevent a person having found or stolen a card of a pay-television subscriber from using it fraudulently, the identity of the subscriber is recorded in a zone protected from reading and writing. At the beginning of the period of use of a new card, the new card compares the identity of the new card with that of the old one, and delivers the password only if the two identities are the same.

REFERENCES:
patent: 4367402 (1983-01-01), Giraud et al.
patent: 4605846 (1986-08-01), Duret et al.
patent: 4752678 (1988-06-01), Rikuna
patent: 4758718 (1988-07-01), Fujisaki et al.
patent: 4777354 (1988-10-01), Thomas
patent: 4851650 (1989-07-01), Kitade
patent: 4891503 (1990-01-01), Jewell
patent: 4947027 (1990-08-01), Golightly

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