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Glossary · Nouns · C

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TermTypeDefinitionClassificationsUpdated
Cryptidnounan organism whose existence has been speculated, but has not been discovered by the scientific communityverifiedMay 18, 2026
Crypto OfficernounMWEAn operator or process (subject), acting on behalf of the operator, performing cryptographic initialization or management functions.RoleRegulatedMay 12, 2026
Cryptobiosisnouna state in which an animal's metabolic activities come to a reversible standstillverifiedMay 18, 2026
Cryptococcosisnouna fungal infection characterized by nodular lesions--first in the lungs and spreading to the nervous systemverifiedMay 18, 2026
Cryptocorynenounany plant of the genus CryptocoryneverifiedMay 18, 2026
Cryptogamnounformerly recognized taxonomic group including all flowerless and seedless plants that reproduce by means of spores: ferns, mosses, algae, fungiverifiedMay 18, 2026
Cryptogramnouna piece of writing in code or cipherverifiedMay 18, 2026
Cryptographnouna device for deciphering codes and ciphersverifiedMay 18, 2026
CryptographicnounPertaining to, or concerned with, cryptography.CapabilityMay 9, 2026
Cryptographic AlarmnounMWECircuit 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.EventRegulatedCUIMay 9, 2026
cryptographic algorithmnounMWEA well-defined computational procedure that takes variable inputs, including a cryptographic key, and produces an output.ControlMay 9, 2026
Cryptographic Algorithm or HashnounMWEAn algorithm that employs the science of cryptography, including encryption algorithms, cryptographic hash algorithms, digital signature algorithms, and key agreement algorithms.ControlMay 9, 2026
Cryptographic Ancillary EquipmentnounMWEEquipment designed specifically to facilitate efficient or reliable operation of cryptographic equipment, without performing cryptographic functions itself.PhysicalRegulatedCUIMay 9, 2026
Cryptographic BindingnounMWEAssociating two or more related elements of information using cryptographic techniques.ControlMay 9, 2026
Cryptographic BoundarynounMWEAn 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.ControlRegulatedMay 9, 2026
Cryptographic ComponentnounMWEHardware 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.PhysicalRegulatedCUIMay 12, 2026
Cryptographic EquipmentnounMWEEquipment that embodies a cryptographic logic.PhysicalRegulatedCUIMay 9, 2026
Cryptographic Hash FunctionnounMWEA 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.CapabilityMay 9, 2026
Cryptographic Ignition KeynounMWEDevice or electronic key used to unlock the secure mode of crypto-equipment.CredentialRegulatedCUIMay 9, 2026
Cryptographic InitializationnounMWEFunction used to set the state of a cryptographic logic prior to key generation, encryption, or other operating mode.ProcessMay 9, 2026
Cryptographic KeynounMWEA parameter used in conjunction with a cryptographic algorithm that determines - the transformation of plaintext data into ciphertext data, - the transformation of ciphertext data into plaintext data, - a digital signature computed from data, - the verification of a digital signature computed from data, - an authentication code computed from data, or - an exchange agreement of a shared secret.CredentialMay 9, 2026
Cryptographic LogicnounMWEThe embodiment of one (or more) cryptographic algorithm(s) along with alarms, checks, and other processes essential to effective and secure performance of the cryptographic process(es).CapabilityRegulatedMay 12, 2026
Cryptographic MaterialnounMWECOMSEC material used to secure or authenticate information.CredentialRegulatedCUIMay 9, 2026
Cryptographic ModulenounMWEThe set of hardware, software, firmware, or some combination thereof that implements cryptographic logic or processes, including cryptographic algorithms, and is contained within the cryptographic boundary of the module.SystemRegulatedMay 12, 2026
Cryptographic Module Security PolicynounMWEA precise specification of the security rules under which a cryptographic module will operate, including the rules derived from the requirements of this standard (FIPS 140-2) and additional rules imposed by the vendor.RequirementMay 9, 2026
Cryptographic Module Validation ProgramnounMWEValidates cryptographic modules to Federal Information Processing Standard (FIPS) 140-2 and other cryptography-based standards. The CMVP is a joint effort between National Institute of Standards and Technology (NIST) and the Communications Security Establishment (CSE) of the government of Canada. Products validated as conforming to FIPS 140-2 are accepted by the federal agencies of both countries for the protection of sensitive information (United States) or Designated Information (Canada). The goal of the CMVP is to promote the use of validated cryptographic modules and provide federal agencies with a security metric to use in procuring equipment containing validated cryptographic modules.CapabilityRegulatedCUIMay 9, 2026
Cryptographic NetnounMWEStations holding a common key.NetworkRegulatedCUIMay 9, 2026
Cryptographic PeriodnounMWETime span during which each key setting remains in effect.MetricMay 12, 2026
Cryptographic ProductnounMWEA cryptographic key (public, private, or shared) or public key certificate, used for encryption, decryption, digital signature, or signature verification; and other items, such as compromised key lists (CKL) and certificate revocation lists (CRL), obtained by trusted means from the same source which validate the authenticity of keys or certificates. Protected software which generates or regenerates keys or certificates may also be considered a cryptographic product.CredentialRestrictedCUIMay 9, 2026
Cryptographic RandomizationnounMWEFunction that randomly determines the transmit state of a cryptographic logic.CapabilityMay 9, 2026
Cryptographic SecuritynounMWEComponent of COMSEC resulting from the provision of technically sound cryptographic systems and their proper use.CapabilityRegulatedCUIMay 12, 2026
Cryptographic StrengthnounMWEA measure of the expected number of operations required to defeat a cryptographic mechanism.MetricMay 12, 2026
Cryptographic SynchronizationnounMWEProcess by which a receiving decrypting cryptographic logic attains the same internal state as the transmitting encrypting logic.ProcessRegulatedMay 12, 2026
Cryptographic SystemnounMWEAssociated information assurance items interacting to provide a single means of encryption or decryption.SystemRegulatedMay 12, 2026
Cryptographic System AnalysisnounMWEProcess of establishing the exploitability of a cryptographic system, normally by reviewing transmitted traffic protected or secured by the system under study.ProcessRegulatedCUIMay 9, 2026
Cryptographic System EvaluationnounMWEProcess of determining vulnerabilities of a cryptographic system and recommending countermeasures.ProcessRegulatedMay 9, 2026
Cryptographic System ReviewnounMWEExamination of a cryptographic system by the controlling authority ensuring its adequacy of design and content, continued need, and proper distribution.ProcessRegulatedCUIMay 9, 2026
Cryptographic System SurveynounMWEManagement technique in which actual holders of a cryptographic system express opinions on the system's suitability and provide usage information for technical evaluations.ProcessInternalMay 12, 2026
Cryptographic TokennounMWEA portable, user-controlled physical device (e.g., smart card or PCMCIA card) used to store cryptographic information and possibly also perform cryptographic functions.CredentialMay 9, 2026
CryptographynounIs categorized as either secret key or public key. Secret key cryptography is based on the use of a single cryptographic key shared between two parties. The same key is used to encrypt and decrypt data. This key is kept secret by the two parties. Public key cryptography is a form of cryptography which makes use of two keys: a public key and a private key. The two keys are related but have the property that, given the public key, it is computationally infeasible to derive the private key [FIPS 140-1]. In a public key cryptosystem, each party has its own public/private key pair. The public key can be known by anyone; the private key is kept secret.CapabilityMay 9, 2026
Cryptologistnoundecoder skilled in the analysis of codes and cryptogramsverifiedMay 18, 2026
cryptologynounThe science that deals with hidden, disguised, or encrypted communications. It includes communications security and communications intelligence.CapabilityMay 9, 2026
Cryptomonadnouncommon in fresh and salt water appearing along the shore as algal bloomsverifiedMay 18, 2026
Cryptophytenouncommon in fresh and salt water appearing along the shore as algal bloomsverifiedMay 18, 2026
Cryptorchidismnounfailure of one or both testes to move into the scrotum as the male fetus developsverifiedMay 18, 2026
Cryptorchidynounfailure of one or both testes to move into the scrotum as the male fetus developsverifiedMay 18, 2026
Cryptorchismnounfailure of one or both testes to move into the scrotum as the male fetus developsverifiedMay 18, 2026
CryptosystemnounA pair of algorithms that take a key and convert plaintext to ciphertext and backCapabilityMay 9, 2026
Crystalnouna solid formed by the solidification of a chemical and having a highly regular atomic structureverifiedMay 18, 2026
Crystal BallnounMWEa glass or crystal globe used in crystal gazing by fortunetellersverifiedMay 18, 2026
Crystal CounternounMWEa counter tube in which an ionizing event increases conductivityverifiedMay 18, 2026
Crystal DetectornounMWEa detector consisting of a fine wire in contact with a galena crystalverifiedMay 18, 2026
Crystal GazingnounMWEstaring into a crystal ball to arouse visions of future or distant eventsverifiedMay 18, 2026
Crystal LatticenounMWEa 3-dimensional geometric arrangement of the atoms or molecules or ions composing a crystalverifiedMay 18, 2026
Crystal MicrophonenounMWEa microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltageverifiedMay 18, 2026
Crystal OscillatornounMWEan oscillator that produces electrical oscillations at a frequency determined by the physical characteristics of a piezoelectric quartz crystalverifiedMay 18, 2026
Crystal PickupnounMWEa cartridge in which an output voltage is produced by the vibration of a piezoelectric crystalverifiedMay 18, 2026
Crystal RectifiernounMWEa semiconductor that consists of a p-n junctionverifiedMay 18, 2026
Crystal SetnounMWEan early radio receiver using a crystal detectorverifiedMay 18, 2026
Crystal TeanounMWEevergreen shrub of eastern North America having white or creamy bell-shaped flowers and dark green hairy leaves used for tea during American RevolutionverifiedMay 18, 2026
Crystal VioletnounMWEa green crystal (violet in water) used as a dye or stain or bactericide or fungicide or anthelmintic or burn treatmentverifiedMay 18, 2026
Crystalline LensnounMWEbiconvex transparent body situated behind the iris in the eyeverifiedMay 18, 2026
Crystallisationnounthe formation of crystalsverifiedMay 18, 2026
Crystallitenounany of numerous minute rudimentary crystalline bodies of unknown composition found in glassy igneous rockverifiedMay 18, 2026
Crystallizationnouna mental synthesis that becomes fixed or concrete by a process resembling crystal formationverifiedMay 18, 2026
Crystallized FruitnounMWEfruit cooked in sugar syrup and encrusted with a sugar crystalsverifiedMay 18, 2026
Crystallized GingernounMWEstrips of gingerroot cooked in sugar syrup and coated with sugarverifiedMay 18, 2026
Crystallizingnounthe formation of crystalsverifiedMay 18, 2026
Crystallographernouna specialist in crystallographyverifiedMay 18, 2026
Crystallographynounthe branch of science that studies the formation and structure of crystalsverifiedMay 18, 2026
Ctenenouna locomotor organ consisting of a row of strong cilia whose bases are fusedverifiedMay 18, 2026
Ctenophorenounbiradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes having for locomotion eight rows of cilia arranged like teeth in a combverifiedMay 18, 2026
Ctenophore FamilynounMWEa family of ctenophoresverifiedMay 18, 2026
Ctenophore GenusnounMWEa genus of ctenophoresverifiedMay 18, 2026
Cu FtnounMWEthe volume equal to a cube one foot on each sideverifiedMay 18, 2026
Cu innounMWEthe volume equal to a cube one inch on each sideverifiedMay 18, 2026
Cub SharknounMWEa most common shark in temperate and tropical coastal waters worldwideverifiedMay 18, 2026
Cubage UnitnounMWEa unit of measurement of volume or capacityverifiedMay 18, 2026
Cubature UnitnounMWEa unit of measurement of volume or capacityverifiedMay 18, 2026
Cubbynouna small secluded roomverifiedMay 18, 2026
Cubbyholenouna small secluded roomverifiedMay 18, 2026
Cube RootnounMWEa number that when multiplied three times equals a given numberverifiedMay 18, 2026
Cubebnountropical southeast Asian shrubby vine bearing spicy berrylike fruitsverifiedMay 18, 2026
Cubeb CigarettenounMWEa cigarette containing cubebverifiedMay 18, 2026
Cubeb VinenounMWEtropical southeast Asian shrubby vine bearing spicy berrylike fruitsverifiedMay 18, 2026
Cubic CentimeternounMWEa metric unit of volume equal to one thousandth of a literverifiedMay 18, 2026
Cubic CentimetrenounMWEa metric unit of volume equal to one thousandth of a literverifiedMay 18, 2026
Cubic Content UnitnounMWEa unit of measurement of volume or capacityverifiedMay 18, 2026
Cubic DecimeternounMWEa metric unit of capacity, formerly defined as the volume of one kilogram of pure water under standard conditionsverifiedMay 18, 2026
Cubic DecimetrenounMWEa metric unit of capacity, formerly defined as the volume of one kilogram of pure water under standard conditionsverifiedMay 18, 2026
Cubic FootnounMWEthe volume equal to a cube one foot on each sideverifiedMay 18, 2026
Cubic InchnounMWEthe volume equal to a cube one inch on each sideverifiedMay 18, 2026
Cubic KilometernounMWEa unit of capacity equal to the volume of a cube one kilometer on each edgeverifiedMay 18, 2026
Cubic KilometrenounMWEa unit of capacity equal to the volume of a cube one kilometer on each edgeverifiedMay 18, 2026
Cubic MeasurenounMWEa unit of measurement of volume or capacityverifiedMay 18, 2026
Cubic MeternounMWEa metric unit of volume or capacity equal to 1000 litersverifiedMay 18, 2026
Cubic MetrenounMWEa metric unit of volume or capacity equal to 1000 litersverifiedMay 18, 2026
Cubic MillimeternounMWEa metric measure of volume or capacity equal to a cube 1 millimeter on each edgeverifiedMay 18, 2026
Cubic MillimetrenounMWEa metric measure of volume or capacity equal to a cube 1 millimeter on each edgeverifiedMay 18, 2026
Cubic YardnounMWEa unit of volume (as for sand or gravel)verifiedMay 18, 2026