Method and apparatus for controlling access to digital signals

Details Method and apparatus for controlling access to digital signals Method and apparatus for controlling access to digital signals

H - Electricity

04

L

H04L 9/28 (2006.01) H04N 7/167 (2006.01)

Patent

CA 2137616

A method and apparatus are provided for controlling access to digital signals sent via a first communication path and retransmitted over a second communication path. The digital signals, having been encrypted by a first encryption scheme and sent over the first communication path, are received and decrypted. The decrypted signals are then retransmitted over the second communication path using a second encryption scheme that differs from the first encryption scheme.

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