Glossary · Nouns · K
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TermTypeDefinitionClassificationsUpdated
Ketonurianounexcessive amounts of ketone bodies in the urine as in diabetes mellitus or starvationverified
Ketosis-Resistant DiabetesnounMWEa mild form of diabetes mellitus that develops gradually in adultsverified
Ketosis-Resistant Diabetes MellitusnounMWEa mild form of diabetes mellitus that develops gradually in adultsverified
Kettlenouna large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on itverified
Kettle HolenounMWEin geology, a hollow -- typically filled by a lake -- that results from the melting of a mass of ice trapped in glacial depositsverified
Kettledrumnouna large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on itverified
keynounA parameter used in conjunction with a cryptographic algorithm that determines its operation. Examples applicable to this Standard include: 1. The computation of a digital signature from data, and 2. The verification of a digital signature.Credential
Key BundlenounMWEThe three cryptographic keys (Key1, Key2, Key3) that are used with a Triple Data Encryption Algorithm (TDEA) mode.CredentialRestricted
key controlnounMWEA type of internal control designed to detect errors or fraud in financial statements.ControlRegulated
Key Distribution CenternounMWECOMSEC facility generating and distributing key in electronic form.SystemRegulatedCUI
Key EscrownounMWE1. The processes of managing (e.g., generating, storing, transferring, auditing) the two components of a cryptographic key by two key component holders. 2. A key recovery technique for storing knowledge of a cryptographic key, or parts thereof, in the custody of one or more third parties called "escrow agents," so that the key can be recovered and used in specified circumstances.ProcessRegulatedCUI
Key Escrow SystemnounMWEA system that entrusts the two components comprising a cryptographic key (e.g., a device unique key) to two key component holders (also called "escrow agents").SystemRegulatedCUI
Key EstablishmentnounMWEThe process by which cryptographic keys are securely established among cryptographic modules using manual transport methods (e.g., key loaders), automated methods (e.g., key transport and/or key agreement protocols), or a combination of automated and manual methods (consists of key transport plus key agreement).ProcessRestrictedCUI
Key ExchangenounMWEProcess of exchanging public keys (and other information) in order to establish secure communications.Process
Key ExpansionnounMWERoutine used to generate a series of Round Keys from the Cipher Key.ProcessRegulated
Key fobnounMWEA small portable device equipped with chip technology allowing the holder the ability to access network systems, such as those used for payments, and to store personal data.PhysicalRegulatedPII
Key Generation MaterialnounMWERandom numbers, pseudo-random numbers, and cryptographic parameters used in generating cryptographic keys.DataRegulatedCUI
Key ListnounMWEPrinted series of key settings for a specific cryptonet. Key lists may be produced in list, pad, or printed tape format.ArtifactRegulatedCUI
Key LoadernounMWEA self-contained unit that is capable of storing at least one plaintext or encrypted cryptographic key or a component of a key that can be transferred, upon request, into a cryptographic module.PhysicalRegulatedCUI
Key LoggernounMWEA program designed to record which keys are pressed on a computer keyboard used to obtain passwords or encryption keys and thus bypass other security measures.Threat
Key ManagementnounMWEThe activities involving the handling of cryptographic keys and other related security parameters (e.g., IVs and passwords) during the entire life cycle of the keys, including their generation, storage, establishment, entry and output, and zeroization.ProcessRegulatedCUI
Key Management DevicenounMWEA unit that provides for secure electronic distribution of encryption keys to authorized users.PhysicalRestricted
Key Management InfrastructurenounMWEAll parts – computer hardware, firmware, software, and other equipment and its documentation; facilities that house the equipment and related functions; and companion standards, policies, procedures, and doctrine that form the system that manages and supports the ordering and delivery of cryptographic material and related information products and services to users.SystemRegulatedCUI
key pairnounMWETwo mathematically related keys having the properties that (1) one key can be used to encrypt a message that can only be decrypted using the other key, and 2) even knowing one key, it is computationally infeasible to discover the other key.CredentialRestricted
Key PatternnounMWEan ornamental pattern consisting of repeated vertical and horizontal lines, often in reliefverified
Key Production KeynounMWEKey used to initialize a keystream generator for the production of other electronically generated key.CredentialRestrictedCUI
Key RecoverynounMWEMechanisms and processes that allow authorized parties to retrieve the cryptographic key used for data confidentiality.ProcessRestrictedCUI
key resourcenounMWEA publicly or privately controlled asset necessary to sustain continuity of government and/or economic operations, or an asset that is of great historical significance.PhysicalRegulated
Key risk indicatornounMWEA subset of risk indicators that are highly relevant and possess a high probability of predicting or indicating important risk Scope Note: See also Risk Indicator.Metric
Key StreamnounMWESequence of symbols (or their electrical or mechanical equivalents) produced in a machine or auto-manual cryptosystem to combine with plain text to produce cipher text, control transmission security processes, or produce key.DataRestrictedCUI
Key TagnounMWEIdentification information associated with certain types of electronic key.ArtifactRegulatedCUI
Key TapenounMWEPunched or magnetic tape containing key. Printed key in tape form is referred to as a key list.PhysicalRegulatedCUI
Key TransportnounMWEThe secure transport of cryptographic keys from one cryptographic module to another module.ProcessRegulated
Key WrapnounMWEA method of encrypting keying material (along with associated integrity information) that provides both confidentiality and integrity protection using a symmetric key algorithm.ControlRestricted
Key-Encryption-KeynounKey that encrypts or decrypts other key for transmission or storage.CredentialRestricted
Keyboardnouna device consisting of a set of keys on a piano, organ, typewriter, typesetting machine, computer or the likeverified
Keyboard BuffernounMWEa buffer that keeps track of key strokes until the computer is ready to respond to themverified
Keycardnouna plastic card that has a magnetically coded strip that is scanned in order to operate a mechanismverified
Keyed-hash based message authentication codenounMWEA message authentication code that uses a cryptographic key in conjunction with a hash function.ControlRegulated
Keying MaterialnounMWEKey, code, or authentication information in physical, electronic, or magnetic form.CredentialRestrictedCUI
Keystroke MonitoringnounMWEThe process used to view or record both the keystrokes entered by a computer user and the computer’s response during an interactive session. Keystroke monitoring is usually considered a special case of audit trails.ProcessRegulatedCUI
Keytarnouna modern instrument featuring the neck of a guitar and an electronic keyboard; played by supporting with a shoulder strap. The neck has various controls- for instance vibrato, sustain and pitch bend- that affect the quality of the notes played on the keyboardverified
Khalifnounthe civil and religious leader of a Muslim state considered to be a representative of Allah on earthverified
Khalifahnounthe civil and religious leader of a Muslim state considered to be a representative of Allah on earthverified
Khamsinnounan oppressively hot southerly wind from the Sahara that blows across Egypt in the springverified
Khannounan inn in some eastern countries with a large courtyard that provides accommodation for caravansverified
Khanatenouna Turko-Mongol word used to describe a political entity ruled by a Khan or Khagan. Equivalent to tribal chiefdom, principality, kingdom or even empireverified
Khatnounthe leaves of the shrub Catha edulis which are chewed like tobacco or used to make teaverified
Khichurinouna dish of rice and hard-boiled eggs and cooked flaked fish, often smoked haddock, native to Indiaverified
Khimarnouna headscarf worn by observant Muslim women that hangs down to just above the waistverified
Khukurinouna curved steel Nepalese knife with a razor-sharp edge used in combat by the Gurkhasverified
Kinounin Chinese philosophy, the circulating life energy that is thought to be inherent in all thingsverified
Kia QuennounMWEa form of foot torture used by the Chinese in which the victim's foot was placed between three pieces of bamboo and systematically squeezedverified
Kiaatnouna deciduous South African tree having large odd-pinnate leaves and profuse fragrant orange-yellow flowersverified
Kick StarternounMWEa starter (as on a motorcycle) that is activated with the foot and the weight of the bodyverified
Kick-Startnouna starter, as on a motorcycle, that is activated with the foot and the weight of the bodyverified