G

Glossary G
gateway

Gateway

An intermediate system (interface, relay) that attaches to two (or more) computer networks that have similar functions but dissimilar implementations and that enables either one-way ...

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GCM

Galois/Counter Mode

GCM is a mode of operation of the AES algorithm. An algorithm for authenticated encryption with associated data, and its specialization, GMAC, for generating a message ...

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Global-performance-metric

Global Performance Metric

For a predictor, the number of accurate predictions over a long period. See NIST SP 800-90B for more information. 

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GLobal-positioning-system

GPS

Global Positioning SystemA system for determining position by comparing radio signals from several satellites. See NIST SP 800-101 Rev. 1  and NIST SP 800-72 under Global Positioning System for more information.  ...

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Gray Box Testing

Gray Box Testing

A test methodology that assumes some knowledge of the internal structure and implementation detail of the assessment object. Also known as gray box testing. See CNSSI 4009-2015 under ...

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