Validating client-receivers

Details Validating client-receivers Validating client-receivers

2004-06-22

2010-12-28

Orgad, Edan (Department: 2439)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

Reexamination Certificate

active

07861082

ABSTRACT:
In a subscriber television system having a headend, a server, and plurality of client-receivers, the server, which is remote from the headend, is adapted to receive a validation-message from one or more client-receivers. The validation-message includes content and an authentication-token. The server validates that the sender of the validation-message is a valid client-receiver of the subscriber television system using an authentication-token and a validator that is known to both the server and to at least one of the client-receivers.

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