OTAR

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Over the Air Rekeying

OTAR (Over-The-Air-Rekeying) is the common name for the method of changing encryption keys in a two-way radio system over the radio channel (“over the air”).
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OTAR

Abbreviation for over-the-air rekeying .

over the air rekeying (OTAR)

Changing traffic encryption key or transmission security key in remote crypto-equipment by sending new key directly to the remote crypto-equipment over the communication path it secures. [NIS]

Define OTAR