Protected communication system

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Having particular address related cryptography

Reexamination Certificate

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Reexamination Certificate

active

10021052

ABSTRACT:
A protected communication system, wherein an information device utilizing memory device and operation device is connected via the network. Enciphering and deciphering of transmitting or receiving data is automatically processed according to unique enciphering method and deciphering method determined by the ordered pair of sender and receiver at each information device.

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