Method for the transmission of management data

Details Method for the transmission of management data Method for the transmission of management data

2007-02-12

2011-10-11

Flynn, Nathan (Department: 2431)

Cryptography

Key management

Key distribution

C713S172000

Reexamination Certificate

active

08036387

ABSTRACT:
This invention relates to a method for the transmission of management data to at least one multimedia unit or a group of multimedia units. This method is characterized in that said management data is sent in the form of at least one authorization message encrypted by means of at least one synchronization key (SK), the sending of said at least one authorization message being repeated cyclically and intended for said multimedia unit or said group of multimedia units, and in that the synchronization key is modified at least during each cycle.

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