Process and apparatus for the simultaneous and remote reading an

Details Process and apparatus for the simultaneous and remote reading an Process and apparatus for the simultaneous and remote reading an

1988-03-14

1989-03-28

Pitts, Harold I.

Registers

Systems controlled by data bearing records

Banking systems

235280, G06F 1530

Patent

active

048166510

ABSTRACT:
Process for simultaneously reading and certifying, useing a processing device, an information present at an address in a memory of an electronic medium, in particular a removable and portable medium such as a memory card. The process uses a random number, generated in the processing device, as an encoding key for the address and the information read. Thus the information is certified if the sent address and the received address are identical. Preferably the encoding algorithm is the DES.

REFERENCES:
patent: 4453074 (1984-06-01), Weinstein
patent: 4544833 (1985-10-01), Ugon

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