CINC Decision SetA group of decisions available to control forces, including determining operational state, DEFCON, hostile intent, authorizing engagement, selecting…
CINCNORADCommander-in-Chief, North American Aerospace Defense Command.
CINCSACCommander-in-Chief, US Strategic Air Command (Now see CINCSTRAT).
CINCSTRATCommander-in-Chief, US Strategic Command.
Cipher KeySecret, cryptographic key that is used by the Key Expansion routine to generate a set of Round Keys; can be pictured as a rectangular array of bytes…
Cipher SuiteNegotiated algorithm identifiers. Cipher suites are identified in human readable form using a pneumonic code.
Cipher SystemA cryptographic system in which cryptography is applied to plain text elements of equal length.
cipher text1. Enciphered information. [INFOSEC-99] Note: Cipher text is the result obtained from enciphering plain or encoded text. 2.
cipher text auto-keyCryptographic logic that uses previous cipher text to generate a key stream. [INFOSEC-99]
CiphertextUnintelligible text or signals produced through the use of cipher systems.
ciphertext stringIn cryptography, ciphertext that is formed by encrypting concatenated encryption elements. [After X9.23]
ciphertext substringIn cryptography, a segment of a ciphertext string. [After X9.23]
ciphonyThe process of enciphering audio information, resulting in encrypted speech. [INFOSEC-99] Note: "Ciphony" is a contraction of "ciphered telephony ."
CircuitA device, or system of devices, that allows electrical current to flow through it and allows voltage to occur across positive and negative terminals.
circuit identification codeInformation identifying a circuit between a pair of exchanges, for which signaling is being performed (14 bits in the ISDN user part). [T1.110-1987]
circuit kilometersThe route kilometers of revenue producing circuits in service, determined by measuring the length in terms of kilometers, of the actual path followed by…
circuit noise levelAt any point in a transmission system, the ratio of the circuit noise at that point to an arbitrary level chosen as a reference.
circuit reliability (CiR)The percentage of time a circuit was available for use in a specified period of scheduled availability.
circuit restorationThe process by which a communications circuit is established between two users after disruption or loss of the original circuit.
circuit routing: In open systems architecture, the logical path of a message in a communications network based on a series of gates at the physical network layer in the…
circuit switchingA method of routing traffic through a switching center, from local users or from other switching centers, whereby a connection is established between the…
circuit switching unit (CSU)Equipment used for routing messages over common-user circuits that interconnect a source data terminal equipment (DTE) to a sink DTE for information…
circuit transfer modeIn ISDN applications, a transfer mode by means of permanent allocation of channels or bandwidth between connections.
circuit-switched data transmission serviceA data transmission service requiring the establishment of a circuit-switched connection before data can be transferred from source data terminal…
Circular Error Probable (CEP)An indicator of the delivery accuracy of a weapon system, used as a factor in determining probable damage to a target.
circular polarizationIn electromagnetic wave propagation, polarization such that the tip of the electric field vector describes a helix.
circulatorA passive junction of three or more ports in which the ports can be accessed in such an order that when power is fed into any port it is transferred to…
circumfix operatorAn "operator" that surrounds its "operand", like the angle operator, or parentheses, or a hug.
CIRISCompletely Integrated Reference Instrumentation System
CIRRISCryogenic Infrared Radiance Instrumentation for Shuttle.
CISThe CIS is the National Cancer Institute's link to the public, interpreting and explaining research findings in a clear and understandable manner, and…
CITISContractor Integrated Technical Information Service.
CitrixThe server system that allows District employees to use applications such as ArcGIS and Pictometry software via the Intranet.
civisionThe application of cryptography to television signals. 2. Television signals that have been enciphered to preserve the confidentiality of the transmitted…
CLAn abbreviation used on climate outlook maps issued by CPC to indicate areas where equal chances of experiencing below-normal, normal, and above-normal…
claddingOf an optical fiber, one or more layers of material of lower refractive index, in intimate contact with a core material of higher refractive index. 2.
cladding diameterIn the cross section of a realizable optical fiber, ideally circular, but in practice assumed to a first approximation to be elliptical, the average of…
cladding modeAn undesired mode that is confined to the cladding of an optical fiber by virtue of the fact that the cladding has a higher refractive index than the…
cladding mode stripperIn an optical fiber, anything used to convert cladding modes to radiation modes, thus removing them from the fiber.
claims-aware applicationA Microsoft ASP .NET application that performs authorization based on the claims that are present in an Active Directory Federation Services (ADFS)…
classArticle I, section 3 of the Constitution requires the Senate to be divided into three classes for purposes of elections.
class bodyThe body of a class definition. The body groups the definitions of a class's members - fields, methods and nested classes.
class constantA variable defined as both final and static.
class d addressSynonym (in Internet protocol) multicast address.
class headerThe header of a class definition. The header gives a name to the class and defines its access.
class inheritanceWhen a super class is extended by a sub class, a class inheritance relationship exists between them.
class of emissionThe set of characteristics of an emission, designated by standard symbols, e.g.
class of officeA ranking, assigned to each switching center in a communications network, determined by the center switching functions, interrelationships with other…
class of serviceA designation assigned to describe the service treatment and privileges given to a particular terminal. 2.
class scopePrivate variables defined outside the methods within a class have class scope. They are accessible from all methods within the class, regardless of the…
classic Administrative templatesA collection of .adm files that provides Group Policy setting information for the items that appear in the Classic Administrative Templates folder in the…
Classificationpatents are classified (organized) in the U.S. by a system using a 3 digit class and a 3 digit subclass to describe every similar grouping of patent art.
Classification or CategorizationThe process of organizing pieces of information into topical categories. Usually, these are hierarchical trees, with the most general topics at the top…
classification systemA system in which related material is filed under a major subject and its subheadings See also chain index, file classification system, subject…
Classified InformationInformation that has been determined pursuant to Executive Order (E.O.) 13292 or any predecessor order to require protection against unauthorized…
classified recordIn government, a document containing information, the disclosure of which would harm the national security See also confidential record, privileged…
classifyingact of analyzing and determining the subject content of a document and then selecting the subject category under which it will be filed and/or indexed See…
Classless Inter-Domain Routing (CIDR)A type of network routing that uses the network mask instead of the address class to determine the destination network.
Classless Inter-Domain Routing (CIDR) block(CIDR)An Internet protocol address allocation and route aggregation methodology. See Also http://en.wikipedia.org/wiki/CIDR_notation.
Classless Interdomain RoutingAn IP address and routing management method that allocates IP addresses in a way that reduces the number of routes stored on any individual router, while…
classmarkA designator used to describe the service feature privileges, restrictions, and circuit characteristics for lines or trunks that access a switch.
classpathThe path searched by the compiler and interpreter for class definitions. The class path may be set by a command-line argument to either, or via an…
clearTo cause one or more storage locations to be in a prescribed state, usually that corresponding to a zero or that corresponding to the yyspace character.
clear channelIn radio broadcasting, a frequency assigned for the exclusive use of one entity. 2.
clear channel capability (CCC)A characteristic of a transmission path in which the bit position allocated for customer data may represent any combination of zeros and ones.
clear collisionContention that occurs when a DTE and a DCE simultaneously transfer a clear request packet and a clear indication packet specifying the same logical…
clear confirmation signalA call control signal used to acknowledge reception of the data-terminal-equipment (DTE) clear request by the data circuit-terminating equipment (DCE) or…
clear keyThe key that is stored unencrypted on the disk volume. This key is used to freely access the volume master key, and in turn, the full volume encryption…
clear message1. A message that (a) is sent in the forward direction and the backward direction, (b) contains a circuit-released signal or circuit-released…
clear textUnencrypted, non-machine dependent, ASCII text in readable form.