Communication device for providing security in a group communication network
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United States of America Patent
Stats
-
Mar 30, 2010
Grant Date -
Sep 16, 2004
app pub date -
Mar 23, 2004
filing date -
Mar 3, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for providing security in a group communication network provides for receiving an encryption key, encrypting media for transmission to a controller using the received encryption key, the encrypted media being directed to another communication device, and communicating the encrypted media to the controller. In one embodiment, the communicating includes wireless communication. The method and apparatus further provides for receiving encrypted media from a controller and blocking the encrypted media if the communication device is not enabled to receive encrypted-media transmission, or if the media is not encrypted based on an encryption key previously specified by the communication device. In another aspect, the communication device is a push-to-talk (PTT) device.
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