`Revision 2
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`Glossary of Key Information
`Security Terms
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`Richard Kissel, Editor
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`CELLSPIN
`EX. 2016, Page 1
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`NISTIR 7298
`Revision 2
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`Glossary of Key Information Security
`Terms
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`Richard Kissel, Editor
` Computer Security Division
`Information Technology Laboratory
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`May 2013
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`U.S. Department of Commerce
`Rebecca Blank, Acting Secretary
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`National Institute of Standards and Technology
`Patrick D. Gallagher, Under Secretary of Commerce for Standards and Technology and Director
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`CELLSPIN
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`National Institute of Standards and Technology Interagency or Internal Report 7298r2
`222 pages (May 2013)
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`Certain commercial entities, equipment, or materials may be identified in this document in order to
`describe an experimental procedure or concept adequately. Such identification is not intended to imply
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`recommendation or endorsement by NIST, nor is it intended to imply that the entities, materials, or
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`equipment are necessarily the best available for the purpose.
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`There may be references in this publication to other publications currently under development by NIST
`in accordance with its assigned statutory responsibilities. The information in this publication, including
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`concepts and methodologies, may be used by Federal agencies even before the completion of such
`companion publications. Thus, until each publication is completed, current requirements, guidelines,
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`and procedures, where they exist, remain operative. For planning and transition purposes, Federal
`agencies may wish to closely follow the development of these new publications by NIST.
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`Organizations are encouraged to review all draft publications during public comment periods and
`provide feedback to NIST. All NIST Computer Security Division publications, other than the ones
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`noted above, are available at http://csrc.nist.gov/publications.
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`National Institute of Standards and Technology
`Attn: Computer Security Division, Information Technology Laboratory
`100 Bureau Drive (Mail Stop 8930) Gaithersburg, MD 20899-8930
`Email: secglossary@nist.gov
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`CELLSPIN
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`NIST IR 7298 Revision 2, Glossary of Key Information Security Terms
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`Cryptographic Alarm –
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`Cryptographic Algorithm –
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`Cryptographic Ancillary
`Equipment –
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`Cryptographic Binding –
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`Cryptographic Boundary –
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`Cryptographic Component –
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`Circuit or device that detects failures or aberrations in the logic or
`operation of crypto-equipment. Crypto-alarm may inhibit
`transmission or may provide a visible and/or audible alarm.
`SOURCE: CNSSI-4009
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`A well-defined computational procedure that takes variable inputs,
`including a cryptographic key, and produces an output.
`SOURCE: SP 800-21; CNSSI-4009
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`Equipment designed specifically to facilitate efficient or reliable
`operation of cryptographic equipment, without performing
`cryptographic functions itself.
`SOURCE: CNSSI-4009
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`Associating two or more related elements of information using
`cryptographic techniques.
`SOURCE: CNSSI-4009
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`An explicitly defined continuous perimeter that establishes the
`physical bounds of a cryptographic module and contains all the
`hardware, software, and/or firmware components of a cryptographic
`module.
`SOURCE: FIPS 140-2
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`Hardware or firmware embodiment of the cryptographic logic. A
`cryptographic component may be a modular assembly, a printed
`wiring assembly, a microcircuit, or a combination of these items.
`SOURCE: CNSSI-4009
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`Cryptographic Equipment –
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`Equipment that embodies a cryptographic logic.
`SOURCE: CNSSI-4009
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`Cryptographic Hash Function –
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`A function that maps a bit string of arbitrary length to a fixed length
`bit string. Approved hash functions satisfy the following properties:
`1) (One-way) It is computationally infeasible to find any input which
`maps to any pre-specified output, and
`2) (Collision resistant) It is computationally infeasible to find any
`two distinct inputs that map to the same output.
`SOURCE: SP 800-21
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`Cryptographic Ignition Key (CIK) – Device or electronic key used to unlock the secure mode of crypto-
`equipment.
`SOURCE: CNSSI-4009
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`CELLSPIN
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