1. In information assurance, comparing an activity, a process, or a product with the corresponding requirements or specifications.
Note: Examples of verification are comparing a specification with a security policy model or comparing object code with source code. [2382-pt.8]
2. [The] process of comparing two levels of an information system (IS) specification for proper correspondence (e.g., security policy model with… (Read More →)

Information used by a verifier to verify an identity claimed through exchange AI [10181-2].

Development of a system or part of a system where the transformation from one representation to another is mathematically proven, or demonstrated to be consistent by an argument of equivalent value [CESG].

In telephone systems, a service provided by a unit that is inserted on each end of a transmission circuit for the purpose of verifying supervisory signals on the circuit. See automatic ringdown circuit.

1. The entity that verifies the authenticity of a digital signature. [After X9.31]
2. An entity which is or represents the entity requiring an authenticated identity. A verifier includes the functions necessary for engaging in authentication exchanges [10181-2].

An extremely secure cryptographic approach to enciphering messages, wherein each character of a message gets assigned a random character from the key; the one-time keypad is physically delivered to the receiver and then is destroyed.
Note: The Vernam cypher requires the prospective user to first courier the megabyte key to the intended message partner. The Vernam cypher is the only… (Read More →)

There is a version element associated with each Virtual Channel Description, Virtual Channel Map, and Master SI table. A version is changed when any element, attribute, or linked file is modified. Since it expected that the System Information is stable once a network has been established, this allows for the ITF Device to monitor only one file, the Master SI… (Read More →)

In an optical fiber, the angle formed by the extreme bound meridional rays accepted by the fiber, or emerging from it, equal to twice the acceptance angle; the angle formed by the largest cone of light accepted by the fiber or emitted from it. [FAA]

A Web search engine that locates very precisely a few Web pages of particular interest according to the character strings or subject entered as the search topic.

Synonym transverse redundancy check.