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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 [ edit ]
FIREFLY key - (NSA) keys used in an NSA system based on public key cryptography. Key derivation function (KDF) - function used to derive a key from a secret value, e.g. to derive KEK from Diffie-Hellman key exchange. [citation needed] key encryption key (KEK) - key used to protect MEK keys (or DEK/TEK if MEK is not used).
To set up a secure call, a new Traffic Encryption Key (TEK) must be negotiated. For Type 1 security (classified calls), the SCIP signalling plan uses an enhanced FIREFLY messaging system for key exchange. FIREFLY is an NSA key management system based on public key cryptography. At least one commercial grade implementation uses Diffie-Hellman ...
The CF, also referred to as Tier 0, is the foundation of EKMS. Traditional paper-based keys, and keys for Secure Telephone Unit – Third Generation , STE, FNBDT, Iridium, Secure Data Network System (SDNS), and other electronic key are managed from an underground building in Finksburg, Maryland which is capable of the following:
As a "paperless encryption key system" OTAR was originally adopted specifically in support of high speed data communications because previously known "paperless key" systems such as supported by Diffie-Hellman key exchange, [3] or Firefly key exchange technology [4] (as used in the now obsolete STU-III "scrambled" telephone) [5] were not ...
Firefly protocol may refer to: Firefly (cache coherence protocol) , a cache coherence protocol used in the DEC Firefly workstation Firefly (key exchange protocol) , a cryptographic protocol developed by NSA
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Key management: getting keys securely to thousands of cipher devices in the field, perhaps the most difficult part of implementing an encryption system. One NSA goal is benign fill , a technology for distributing keys in a way that the humans never have access to plaintext key.