IC memory card with security check

Details IC memory card with security check IC memory card with security check

1998-02-17

2000-10-03

Hajec, Donald

Registers

Systems controlled by data bearing records

Credit or identification card systems

235382, 235492, 713193, G06K 500, G06K 1906, H04L 900

Patent

active

061260703

ABSTRACT:
An IC memory card for use with a host information processing has an interface with the host information processor, a common memory having one or more IC memories and a security circuit for prohibiting access to the common memory if address data input from the host processor does not coincide with preset data. The IC memory card may further provide with an attribute memory which stores a security data and attribute information about the IC card wherein the security circuit checks not only the address data but also the data read out from the attribute memory to enhance the security.

REFERENCES:
patent: 4882474 (1989-11-01), Anderl et al.
Jose Zoreda and Jose Oton, Smart Cards, pp. 5, 6, and 39-45, 1994.

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