Patent ID: 8027473
Filing Date: 2011-09-27
Classification: H04L

Abstract:
1. In an optical network termination that is in optical communication with an optical line termination and operably coupled to at least one subscriber device, a security system comprising: a dechurner module being adapted to dechurn a portion of downstream data received from the optical line termination, the dechurner module including a signal indicating whether at least a portion of the received downstream data being dechurned is encrypted, wherein the downstream data is received from a deframer module based on an associated ATM Over Passive Optical Network (APON) identifier; and a decryption engine configured to, in response to a determination that at least a portion of the dechurned data is also encrypted, decrypt a digital encryption system, the decryption engine in electrical communication with the dechurner module and being adapted to decrypt the dechurned portion of the downstream data, wherein the optical line termination is configured to receive upstream data and wherein the decryption engine is further configured to encrypt upstream data prior to transmission to the optical line termination.