Process and apparatus for authenticating or certifying at least

Details Process and apparatus for authenticating or certifying at least Process and apparatus for authenticating or certifying at least

1983-04-20

1985-10-01

Trafton, David L.

Registers

Systems controlled by data bearing records

Banking systems

235380, 235492, G06F 1530

Patent

active

045448337

ABSTRACT:
Process and device for authenticating or certifying at least one item of information contained in a memory of a portable electronic carrier, such as a credit card. To certify an item of information (I) recorded in a memory (M) of a card (C), the process consists in causing processing circuits (TC) of the card (C) to execute a program (P) which takes into account the address of the information (I) in the memory (M). The address is communicated to the card (C) externally. The execution of the program (P) leads to a result (R) which is compared with a result (R') calculated in identical fashion by a transaction apparatus (l) to which the card (C) is connected, agreement between the results establishing the authentication of the information.

REFERENCES:
patent: 4193061 (1980-03-01), Zoltai
patent: 4278837 (1981-07-01), Best
patent: 4453074 (1984-06-01), Weinstein

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