Encryption device and decryption device for information conveyed

Details Encryption device and decryption device for information conveyed Encryption device and decryption device for information conveyed

1996-12-17

1999-07-06

Cangialosi, Salvatore

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 46, 380 49, H04L 900

Patent

active

059206276

ABSTRACT:
An encryption device can be used to encrypt information units conveyed by cells that are broadcast from an optical broadcast node to network units by a passive optical network. Each cell conveys at least one information unit and each information unit is addressed to a respective subscriber terminal. The device includes an encryption system that receives in clear at least one key from at least one decryption device located in a network unit. Applications include ATM telecommunication networks.

REFERENCES:
patent: 5247576 (1993-09-01), Bright
patent: 5257311 (1993-10-01), Naito et al.
patent: 5442702 (1995-08-01), van Ooijen et al.

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