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- Over_the_Air_Rekeying abstract "Over the Air Rekeying (OTAR) is the common name for the method of changing or updating encryption keys in a two-way radio system over the radio channel (“over the air”). It is also referred to as Over-the-Air Transfer (OTAT), depending on the specific type and use of key being changed. Although the acronym refers specifically to radio transmission means, the technology is also employed via land line and cable.Many of the newer NSA cryptographic systems that use a 128-bit electronic key, such as the ANDVT, KY-58, KG-84A/C, and KY-75, are capable of obtaining new or updated keys via the circuit they protect or other secure communications circuits. This process is known as over-the-air rekey (OTAR) or over-the-air transfer (OTAT). The use of OTAR/OTAT drastically reduces the distribution of physical keying material and the physical process of loading cryptographic devices with key tapes. A station may have nothing to do with actual physical key changeovers on a day-to-day basis. The electronic key would normally come from the Net Control Station (NCS). The added feature of OTAT is that the key can be extracted from an OTAT-capable cryptographic system using a fill device, such as the KYK-13 or KYX-15/KYX-15A. The key is then loaded into another cryptographic system as needed.OTAR technology was operationally introduced to the US Department of Defense via the Navy in 1991 through 1993. Lieutenant Commander David Winters, an American naval officer stationed in London, early recognized the necessity for these advances and personally oversaw development and deployment of the innovative procedures required. His methods were quickly adopted and spread Navy wide.Shortly thereafter, when joint US forces became heavily tasked in the Middle-East and Eastern Europe, Commander Winters was dispatched to the combat zones where he introduced these same capabilities to the Air Force, Army, and other Allied forces. This revolutionized US and associated military telecommunications security by eliminating the previous requirements for risky, expensive wide-spread distribution of paper code keys.It thereby extinguished vulnerability to physical theft and loss previously exploited by the infamous Jonathan Walker spy ring. Elimination of this vulnerability, although little appreciated outside the security community at the time, was an innovation of inestimable impact.Winters's contributions were quietly recognized and mentioned in official history, military awards and by his election in 2003 to membership in the elite British Special Forces Club.".
- Over_the_Air_Rekeying wikiPageID "2375255".
- Over_the_Air_Rekeying wikiPageLength "3092".
- Over_the_Air_Rekeying wikiPageOutDegree "13".
- Over_the_Air_Rekeying wikiPageRevisionID "702140611".
- Over_the_Air_Rekeying wikiPageWikiLink 128-bit.
- Over_the_Air_Rekeying wikiPageWikiLink ANDVT.
- Over_the_Air_Rekeying wikiPageWikiLink Category:Military_radio_systems.
- Over_the_Air_Rekeying wikiPageWikiLink Category:National_Security_Agency_encryption_devices.
- Over_the_Air_Rekeying wikiPageWikiLink Fill_device.
- Over_the_Air_Rekeying wikiPageWikiLink KG-84.
- Over_the_Air_Rekeying wikiPageWikiLink KY-58.
- Over_the_Air_Rekeying wikiPageWikiLink KY-75.
- Over_the_Air_Rekeying wikiPageWikiLink KYK-13.
- Over_the_Air_Rekeying wikiPageWikiLink KYX-15.
- Over_the_Air_Rekeying wikiPageWikiLink Key_(cryptography).
- Over_the_Air_Rekeying wikiPageWikiLink National_Security_Agency.
- Over_the_Air_Rekeying wikiPageWikiLink Rekeying.
- Over_the_Air_Rekeying wikiPageWikiLinkText "Over the Air Rekeying".
- Over_the_Air_Rekeying wikiPageWikiLinkText "over the air rekeying".
- Over_the_Air_Rekeying wikiPageWikiLinkText "updating encryption keys".
- Over_the_Air_Rekeying wikiPageUsesTemplate Template:Crypto-stub.
- Over_the_Air_Rekeying wikiPageUsesTemplate Template:Reflist.
- Over_the_Air_Rekeying subject Category:Military_radio_systems.
- Over_the_Air_Rekeying subject Category:National_Security_Agency_encryption_devices.
- Over_the_Air_Rekeying hypernym Name.
- Over_the_Air_Rekeying type Communication.
- Over_the_Air_Rekeying comment "Over the Air Rekeying (OTAR) is the common name for the method of changing or updating encryption keys in a two-way radio system over the radio channel (“over the air”). It is also referred to as Over-the-Air Transfer (OTAT), depending on the specific type and use of key being changed.".
- Over_the_Air_Rekeying label "Over the Air Rekeying".
- Over_the_Air_Rekeying sameAs Q7113464.
- Over_the_Air_Rekeying sameAs m.077gfz.
- Over_the_Air_Rekeying sameAs Q7113464.
- Over_the_Air_Rekeying wasDerivedFrom Over_the_Air_Rekeying?oldid=702140611.
- Over_the_Air_Rekeying isPrimaryTopicOf Over_the_Air_Rekeying.