METHOD AND APPARATUS FOR KEY MANAGEMENT IN AN END-TO-END ENCRYPTION SYSTEM
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United States of America Patent
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N/A
Issued Date -
Jun 25, 2009
app pub date -
Dec 19, 2007
filing date -
Dec 19, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method executed by a first network entity in communication with a second network entity. The method comprises maintaining a first key bank containing a key designated as an active key for the first network entity; maintaining a second key bank containing a key designated as a standby key for the first network entity; encrypting data for transmission to the second network entity using the active key for the first network entity; attempting to detect a match between (i) a representation of the standby key for the first network entity and (ii) a representation of a standby key for the second network entity received from the second network entity; and upon detecting a match, causing the active key for the first network entity to designate thereafter the key contained in the second key bank.
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