related key

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• Related-key attack — In cryptography, a related key attack is any form of cryptanalysis where the attacker can observe the operation of a cipher under several different keys whose values are initially unknown, but where some mathematical relationship connecting the… …   Wikipedia

• related key — noun : a key having important tones in common with another key and hence admitting of ready modulation; especially : a key whose tonic chord is a triad of tones in the original key (as, for C major, the keys F major, G major, A minor, D minor,… …   Useful english dictionary

• Closely related key — Circle of fifths showing major and minor keys. In music, a closely related key is one sharing many common tones with an original key, as opposed to a distantly related key (or close key and distant key ). In music harmony, such a key shares all,… …   Wikipedia

• Key (music) — Scale degree names[1] (C major scale). In music theory, the term key is used in many different and sometimes contradictory ways. A common use is to speak of music as being in a specific key, such as in the key of C major or in the key of F sharp …   Wikipedia

• Key schedule — In cryptography, the so called product ciphers are a certain kind of ciphers, where the (de )ciphering of data is done in rounds . The general setup of each round is the same, except for some hard coded parameters and a part of the cipher key,… …   Wikipedia

• Key Biscayne — is an island located in Miami Dade County, Florida, United States, between the Atlantic Ocean and Biscayne Bay. It is the southernmost of the barrier islands along the Atlantic coast of Florida, and lies south of Miami Beach and southeast of… …   Wikipedia

• Key performance indicator — Key Performance Indicators (KPI) are financial and non financial metrics used to help an organization define and measure progress toward organizational goals [ [http://management.about.com/cs/generalmanagement/a/keyperfindic.htm Key Performance… …   Wikipedia

• Key management — is a term used to describe two different fields; (1) cryptography, and (2) physical key management (or electronic key management) within building or campus access control.In cryptography, key management includes all of the provisions made in a… …   Wikipedia

• Key disclosure law — Key disclosure laws, also known as mandatory key disclosure, is legislation that require individuals to surrender cryptographic keys to law enforcement. The purpose is to allow access to material for confiscation or digital forensics purposes and …   Wikipedia

• Key authentication — is a problem that arises when using public key cryptography. It is the process of assuring that the public key of person A held by person B does in fact belong to person A .In traditional symmetric key cryptography, this problem wasn t an issue… …   Wikipedia

• key — key1 [kē] n. pl. keys [ME keye < OE cæge, akin to OFris kei, kēia, to secure, guard] 1. an instrument, usually of metal, for moving the bolt of a lock and thus locking or unlocking something 2. any of several instruments or mechanical devices… …   English World dictionary