Encrypting information in a communications network

Details Encrypting information in a communications network Encrypting information in a communications network

2007-01-30

2007-01-30

Peeso, Thomas R. (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

C713S166000, C713S193000

Reexamination Certificate

active

10739494

ABSTRACT:
According to one embodiment, an end station is provided for coupling to a communications network and participation in a communications session with another end station using the network. The end station includes encryption circuitry including a first linear feedback shift register (LFSR) and an associated first interconnect mask. The encryption circuitry is operable to generate an output sequence using the first LFSR and the first interconnect mask. A first table contains a plurality of polynomials each corresponding to an available interconnect mask. The end station is operable to receive a key specifying the first interconnect mask and to use the output sequence of the encryption circuitry to encrypt an information stream.

REFERENCES:
patent: 5008938 (1991-04-01), Freeburg et al.
patent: 6560727 (2003-05-01), Pierson et al.
patent: 6707914 (2004-03-01), Bell

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