NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

NIST IR 7298 Revision 1, Glossary of Key Information Security Terms
Electronic Key Management System
(EKMS) –
Interoperable collection of systems being developed by services and
agencies of the U.S. government to automate the planning, ordering,
generating, distributing, storing, filling, using, and destroying of
electronic key and management of other types of COMSEC material.
SOURCE: CNSSI-4009
Electronic Messaging Services – Services providing interpersonal messaging capability; meeting
specific functional, management, and technical requirements; and
yielding a business-quality electronic mail service suitable for the
conduct of official government business.
SOURCE: CNSSI-4009
Electronic Signature – The process of applying any mark in electronic form with the intent
to sign a data object. See also digital signature.
SOURCE: CNSSI-4009
Electronically Generated Key – Key generated in a COMSEC device by introducing (either
mechanically or electronically) a seed key into the device and then
using the seed, together with a software algorithm stored in the
device, to produce the desired key.
SOURCE: CNSSI-4009
Emanations Security (EMSEC) – Protection resulting from measures taken to deny unauthorized
individuals information derived from intercept and analysis of
compromising emissions from crypto-equipment or an information
system. See TEMPEST.
SOURCE: CNSSI-4009
Embedded Computer – Computer system that is an integral part of a larger system.
SOURCE: CNSSI-4009
Embedded Cryptographic System –
Cryptosystem performing or controlling a function as an integral
element of a larger system or subsystem.
SOURCE: CNSSI-4009
Embedded Cryptography – Cryptography engineered into an equipment or system whose basic
function is not cryptographic.
SOURCE: CNSSI-4009
Encipher – Convert plain text to cipher text by means of a cryptographic system.
SOURCE: CNSSI-4009
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