Methods for establishing a secure point-to-point call on a trunked network
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United States of America Patent
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May 13, 2014
Grant Date -
Jul 5, 2012
app pub date -
Dec 31, 2010
filing date -
Dec 31, 2010
priority date (Note) -
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Abstract
Methods for establishing secure point-to-point communications in a trunked radio system include receiving, at a trunking controller, a request from a source endpoint for a traffic channel for confidential communications between the source endpoint and a destination endpoint using a shared unique first symmetric key. The trunking controller provides keying material related to the symmetric key over the secured control channel to at least one of the source or destination endpoints and assigns a traffic channel. Moreover, in response to the request, the controller assigns a traffic channel. The keying material enables the unique first symmetric key to be securely established between the source and destination endpoints.
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