Identifier

Intelligent Transportation System Data Bus

Integrated Development Environment

Developed in Switzerland and licensed for non-commercial use in PGP. IDEA uses a 128 bit user supplied key to perform a series of nonlinear mathematical transformations on a 64 bit data block. Compare the length of this key with the 56 bits in DES or the 80 bits in Clipper.

[The] process an information system (IS) uses to recognize an entity. [INFOSEC-99]

The discrete identification, friend or foe code assigned to a particular aircraft, ship, or other vehicle for identification by electronic means. [JP1]

A form of notification information that consists of the documentation of the actual sequence of intermediate networks traversed by a signaling message. The documentation of the sequence of networks traversed may also include the origination and destination networks. The documentation that the message traversed a given network is performed by that network itself. Intermediate networks that are not ISNI-capable are… (Read More →)

A system using electromagnetic transmissions to which equipment carried by friendly forces automatically responds, for example, by emitting pulses, thereby distinguishing themselves from enemy forces. [JP 1-02]
Note: The secondary surveillance radar (SSR) system used in modern air traffic control systems is an outgrowth of the military IFF system used during World War II. The IFF equipment carried by modern… (Read More →)

1. In telecommunications and data processing systems, one or more characters used to identify, name, or characterize the nature, properties, or contents of a set of data elements.
2. A string of bits or characters that names an entity, such as a program, device, or system, in order that other entities can call that entity.
3. In programming languages, a… (Read More →)

A unique piece of information which is recognized as denoting a particular entity within a security domain. The identity information is only unique within the domain [ECMA138].