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The Electronic Key Management System ( EKMS) is a United States National Security Agency led program responsible for Communications Security ( COMSEC) key management, accounting, and distribution. Specifically, EKMS generates and distributes electronic key material for all NSA encryption systems whose keys are loaded using standard fill devices ...
Over-the-air rekeying ( OTAR) refers to transmitting or updating encryption keys ( rekeying) in secure information systems by conveying the keys via encrypted electronic communication channels ("over the air"). [1] It is also referred to as over-the-air transfer (OTAT), or over-the-air distribution (OTAD), [2] depending on the specific type ...
A key management system (KMS), also known as a cryptographic key management system (CKMS) or enterprise key management system (EKMS), is an integrated approach for generating, distributing and managing cryptographic keys for devices and applications. They may cover all aspects of security - from the secure generation of keys over the secure ...
Firefly is a U.S. National Security Agency public-key key exchange protocol, used in EKMS, the STU-III secure telephone, and several other U.S. cryptographic systems. References. RFC 2522; Communications Security Custodian Guide, USAREUR Pamphlet 380-40
The U.S. state of Alabama is served by six area codes. When the North American Numbering Plan was first defined in 1947, Alabama was a single numbering plan area (NPA), with area code 205. This configuration existed until 1995 when area code 334 was added for the southeastern part of the state. In 1998, area code 256 was assigned for northern ...
data encryption key (DEK) used to encrypt the underlying data. derived key - keys computed by applying a predetermined hash algorithm or key derivation function to a password or, better, a passphrase. electronic key - (NSA) key that is distributed in electronic (as opposed to paper) form. See EKMS.
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In later phases of EKMS, the random data functionality is included in an NSA key processor (KP). Keys could now be generated by individual commands instead of coming from NSA by courier. A common handheld fill device (the AN/CYZ-10 ) was introduced to replace the plethora of devices used to load keys on the many third generation systems that ...