Secure access systems utilizing more than one IC card

Details Secure access systems utilizing more than one IC card Secure access systems utilizing more than one IC card

1997-09-08

1999-03-02

Hayes, Gail O.

Cryptography

Cryptanalysis

380 16, 380 20, 380 21, 380 25, 395186, 34082531, 235382, H04L 900, H04N 7167, G06F 704

Patent

active

058781340

ABSTRACT:
A secure access system for controlling access to a plurality of items. The system includes a first IC card reader adapted to receive a first IC card which includes first control information, a second IC card reader adapted to receive a second IC card which includes second control information, and a control integrator receiving the first control information and the second control information and allowing access to a first one of the plurality of items based, at least in part, on both the first control information and said second control information, and to a second one of the plurality of items based, at least in part, on the first control information, without regard to the second control information.

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