Telecommunications terms starting with K

76 terms

K Smoke- Smoke in various concentrations can cause significant problems for people with respiratory ailments.
K Factor The relative measure of a sensors ability to distinguish one object from another.
K-type patch bay A patching facility designed for patching and monitoring of balanced digital data circuits that support data rates up to 1 Mb/s.
KA9Q A popular implementation of TCP/IP and associated protocols for amateur packet radio systems.
Kalman filter A computational algorithm that processes measurements to deduce an optimum estimate of the past, present, or future state of a linear system by using a…
KDC Abbreviation for key distribution center.
kelvin (K) A unit of thermodynamic temperature, taken as one of the base units of the International System of Units (SI).
Kelvin Temperature Scale An absolute temperature scale in which a change of 1 Kelvin equals a change of 1 degree Celsius; 0°K is the lowest temperature on the Kelvin scale.
Kendall effect A spurious pattern or other distortion in a facsimile record copy caused by unwanted modulation products arising from the transmission of a carrier…
Kennelly-Heaviside layer Synonym E region.
Kermit An early generation protocol [a file-transfer and terminal-emulation program] developed for transfer of asynchronous data files, designed to help minimize…
Kernel A module of a program that forms a logical entity or performs a unit function. Note: The most vulnerable portion of code in a secure operating system is a…
Kerr electro-optic effect The creation of birefringence in a liquid that is not otherwise birefringent, by subjecting the liquid to an electric field.
key A block, often used in a series, which projects beyond the edge of the enframement of an opening and is joined with the surrounding masonry.
key agreement A key establishment protocol whose secret key is a function of information contributed by two or more participants, so that no party can predetermine the…
key authentication The assurance of the legitimate participants in a key agreement that no other entity possesses the shared-secret key. [After X9.42]
Key Bundle The three cryptographic keys (Key1, Key2, Key3) that are used with a Triple Data Encryption Algorithm mode.
key component One of two or more parameters that have the format of a cryptographic key that is added modulo-1 with one or more like parameters to form a cryptographic…
key confirmation The assurance of the rightful participants in a key-establishment protocol that the intended recipient(s) of the shared key actually possess the shared…
key distribution center (KDC) [A] COMSEC facility generating and distributing key in electrical form. [INFOSEC-99]
key encrypting key A key that is used exclusively for encrypting and decrypting keys. [After X9.28] 2. Key that encrypts or decrypts other key for transmission or storage.
key encrypting key pair In public-key cryptography, two key encrypting keys used together to encrypt other keys. [After X9.28]
Key Escrow A deposit of the private key of a subscriber and other pertinent information pursuant to an escrow agreement or similar contract binding upon the…
Key Establishment The process by which cryptographic keys are securely distributed among cryptographic modules using manual transport methods (e.g.
key generation center A facility within a group, which facility performs the function of generating keys for any specific key exchange transaction. [After X9.28]
key generator A device, including associated alarms and self-tests, for generating cryptographic keys (and where needed, initialization vectors). [After X9.17]
key granularity The number of individuals represented by a key, e.g., the finest granularity is one individual represented by one key; a coarser granularity is a node key.
key integrity The assurance that a key (a) is always used in the proper order and key space, and (b) has not been altered. [After X9.65]
key list Printed sets of key settings for a specific cryptonet. Keylists may be produced in list, pad, or printed tape format. [INFOSEC-99]
Key Loader A self-contained unit that is capable of storing at least one plaintext or encrypted cryptographic key or key component that can be transferred, upon…
Key Management The activities involving the handling of cryptographic keys and other related security parameters (e.g.
key management facility The physically protected enclosure (e.g., room or device) and its contents where cryptographic elements (i.e.
key offset The process of applying a count value to a cryptographic key using the Boolean exclusive-OR function. [After X9.17] 2. The count so added.
key pair A set of security credentials you use to prove your identity electronically. A key pair consists of a private key and a public key.
key pair updating The recertification or replacement of a certificate authority's public/private key pair.
key production key Key used to initialize a keystream generator for the production of other electronically generated key. [INFOSEC-99]
key pulsing A system of sending telephone calling signals in which the digits are transmitted by operation of a pushbutton key set.
key security In cryptology, the protection of keys against compromise. [After X9.19]
key service message A message used for transferring keys between subscribers. [After X9.28]
key set A multiline or multifunction user terminal device.
key set identifier A non-secret value that uniquely identifies a key set. [After X9.24]
key storage In cryptology, storage of cryptographic keys in such a manner as (a) to protect them against unauthorized use, disclosure, or tampering, and (b) to erase…
key stream [A] sequence of symbols (or their electrical or mechanical equivalents) produced in a machine or auto-manual cryptosystem to combine with plain text to…
key tag Identification information associated with certain types of electronic key. [INFOSEC-99]
key tape Punched or magnetic tape containing key. Printed key in tape form is referred to as a key list. [INFOSEC-99]
key telephone system (KTS) In a local environment, terminals and equipment that provide immediate access from all terminals to a variety of telephone services without attendant…
Key Transport The secure transport of cryptographic keys from one cryptographic module to another module.
key type A characteristic of a key that distinguishes it as either a key-encrypting key or a data key. [After X9.17]
key updating Irreversible cryptographic process for modifying key. [INFOSEC-99]
key usage vector An identifier that specifies cryptographic services, modes, and key values in which the associated key may be used. [After X9.69]
key validation In public key infrastructure (PKI) systems, the procedure allowing the receiver of a public key to verify that it conforms with the requirements for such…
key variable Deprecated synonym for key.
key-auto-key Cryptographic logic using previous key to produce key. [INFOSEC-99]
key-pulse signal The first signal in an MF (multifrequency) outpulsing format; a control signal used to prepare the customer installation (CI) to receive digits. [T1.
keyboard An input device used to enter data by manual depression of keys, which causes the generation of the selected code element.
keyboard punch : Synonym keypunch.
keyboard recorder A hidden program in a computer that stores user-typed input or other input and sends this data to the originator.
keying The generating of signals by the interruption or modulation of a steady signal or carrier. 2. See chroma keying.
keying material In encryption, the data (e.g., keys, certificates, and initialization vectors) necessary to establish and maintain cryptographic keying relationships.
keying relationship The state existing between two parties such that they share at least one cryptographic key. [After X9.17]
keying variable Deprecated synonym for key.
keypunch Historically, a keyboard-actuated punch that punches holes in a data medium. Synonym keyboard punch.
keystroke verification With respect to data entry via a keyboard, determination of the accuracy of data entry by the re-entry of the same data through the same (or another)…
kHz Abbreviation for kilohertz.
killer app Slang contraction of killer application. A successful and popular software application (often written by a third party), that is generally perceived to be…
Killer Trunk A trunk that is seized repeatedly, but is not held for an appreciable length of time due to a malfunction.
kilohertz (kHz) A unit of frequency denoting one thousand (103) Hz.
kilometer A unit of distance corresponding to 1000m.
Km A dissociation constant that characterizes the binding of an enzyme to a substrate.
knee In video, by convention, the circuitry introducing white compression into the opto-electronic transfer function and thereby modifying the curve for a more…
knife-edge effect In electromagnetic wave propagation, a redirection by diffraction of a portion of the incident radiation that strikes a well-defined obstacle such as a…
knowbot Contraction of knowledge robot. A search tool that automatically seeks relevant online information based on the user's previously identified…
knowledge robot A component of a search engine that collects information from Internet resources. [2832-35] Synonyms droid, infobot, robotic librarian, search robot.
known-plain-text attack 1. An analytical attack in which a cryptanalyst possesses a substantial quantity of corresponding plain text and cipher text. [2382-pt.8] 2.
KT (Knot)- Unit of speed used in navigation, equal to 1 nautical mile (the length of 1 minute latitude) per hour or about 1.15 statue miles per hour, or 0.
KTS Knots