Network component for a communication network, communication...

Details Network component for a communication network, communication... Network component for a communication network, communication...

H - Electricity

04

L

H04L 9/28 (2006.01) H04L 9/00 (2006.01) H04L 9/14 (2006.01)

Patent

CA 2560356

This invention relates to a network component (11-16) for a communication network (1) in which multiple communication interfaces (31-37) are connected for mutual data exchange via a transmission network (20) and in which said network component (11-16) can be placed between at least one assigned communication interface (31-37) and the transmission network (20). The network component (11-16) according to the invention comprises a first memory facility (41) for storing at least one preset coding key (K1, K2, K3), a decrypter (51) for decrypting the encrypted data received via the transmission network (20) using the stored at least one coding key (K1, K2, K3) as well as a data selector (52) for the selective transfer of data between the transmission network (20) and the at least one assigned communication interface (31-37). Said data selector (52) is designed to automatically prevent transfer of encrypted data received via the transmission network (20) to the at least one assigned communication interface (31-37) if the decrypter (51) cannot decrypt the encrypted data using the at least one coding key (K1, K2, K3). The invention further relates to a respective communication network and a respective method of providing a data connection among at least two communication interfaces that can be connected via a transmission network.

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