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NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

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NIST IR <strong>7298</strong> <strong>Revision</strong> 1, <strong>Glossary</strong> <strong>of</strong> <strong>Key</strong> <strong>Information</strong> <strong>Security</strong> <strong>Terms</strong><br />

Formal <strong>Security</strong> Policy – Mathematically-precise statement <strong>of</strong> a security policy.<br />

SOURCE: CNSSI-4009<br />

Formatting Function – The function that transforms the payload, associated data, and nonce<br />

into a sequence <strong>of</strong> complete blocks.<br />

SOURCE: SP 800-38C<br />

Forward Cipher – One <strong>of</strong> the two functions <strong>of</strong> the block cipher algorithm that is<br />

determined by the choice <strong>of</strong> a cryptographic key.<br />

SOURCE: SP 800-67<br />

Frequency Hopping – Repeated switching <strong>of</strong> frequencies during radio transmission<br />

according to a specified algorithm, to minimize unauthorized<br />

interception or jamming <strong>of</strong> telecommunications.<br />

SOURCE: CNSSI-4009<br />

Full Disk Encryption (FDE) – The process <strong>of</strong> encrypting all the data on the hard disk drive used to<br />

boot a computer, including the computer’s operating system, and<br />

permitting access to the data only after successful authentication with<br />

the full disk encryption product.<br />

SOURCE: SP 800-111<br />

Full Maintenance – Complete diagnostic repair, modification, and overhaul <strong>of</strong> COMSEC<br />

equipment, including repair <strong>of</strong> defective assemblies by piece part<br />

replacement. See limited maintenance.<br />

SOURCE: CNSSI-4009<br />

Functional Testing – Segment <strong>of</strong> security testing in which advertised security mechanisms<br />

<strong>of</strong> an information system are tested under operational conditions.<br />

SOURCE: CNSSI-4009<br />

Gateway –<br />

General Support System –<br />

Interface providing compatibility between networks by converting<br />

transmission speeds, protocols, codes, or security measures.<br />

SOURCE: CNSSI-4009<br />

An interconnected set <strong>of</strong> information resources under the same direct<br />

management control that shares common functionality. It normally<br />

includes hardware, s<strong>of</strong>tware, information, data, applications,<br />

communications, and people.<br />

SOURCE: OMB Circular A-130, App. III<br />

Pg 80

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