Integrated circuit card

Details Integrated circuit card Integrated circuit card

1989-02-21

1991-01-15

Buczinski, Stephen C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 24, 380 25, 380 29, 34082531, 34082534, 235379, 235380, G06K 1900, H04L 906

Patent

active

049859200

ABSTRACT:
An integrated circuit (IC) card is provided with an external memory having a much larger memory capacity than that of a usual internal memory packaged inside the IC card together with a processor. The external memory can be managed only by the processor through an external IC card accepted by a terminal machine.

REFERENCES:
patent: 4529870 (1985-07-01), Chaum
patent: 4575621 (1986-03-01), Dreifus
patent: 4672182 (1987-06-01), Hirokawa
patent: 4697072 (1987-09-01), Kawana
patent: 4827512 (1989-05-01), Hirokawa et al.
"Fujitsu Card System" by Fujitsu Limited, Aug. 1982.
"Japanese Contribution to the TC68/SC5/WG5" Meeting in Amsterdam, Jun. 4, 1986.

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