Data scrambling system for a shared transmission media

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique

Reexamination Certificate

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Details

C713S171000, C380S044000, C380S210000, C380S262000, C380S273000

Reexamination Certificate

active

10010894

ABSTRACT:
Methods of providing added security for communications between a server and a particular client modem on a shared communication media. The methods provide for passing communications containing scrambled keys to be used to form scrambling seeds for scrambling subsequent messages. In a preferred embodiment, both the server and the client modem generate and pass keys to be used for the communications between the server and that client modem to achieve a dynamic dual key scrambling system.

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