Scrambling apparatus

Details Scrambling apparatus Scrambling apparatus

1992-08-12

1993-12-21

Cain, David C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 25, 380 43, 380 46, H04K 100

Patent

active

052727530

ABSTRACT:
A scrambling apparatus includes an IC card connector for receiving an IC card in which at least either scramble control information or unscramble control information is written in advance, a reading circuit for reading the stored contents of the IC card and a control system for controlling the operation of the apparatus. The scrambling apparatus may also include an IC card connector for receiving a data storing IC card, a data writing circuit for writing scramble control information, unscramble control information and the information related to the operations of the apparatus into the IC card.

REFERENCES:
patent: 5067154 (1991-11-01), Hosobuchi et al.
patent: 5148481 (1992-09-01), Abraham et al.
patent: 5185798 (1993-02-01), Hamada et al.

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