message key

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• Key (cryptography) — In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm or cipher. Without a key, the algorithm would produce no useful result. In encryption, a key specifies the… …   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 generation — is the process of generating keys for cryptography. A key is used to encrypt and decrypt whatever data is being encrypted/decrypted.Modern cryptographic systems include symmetric key algorithms (such as DES and AES) and public key algorithms… …   Wikipedia

• Key exchange — is any method in cryptography by which cryptographic keys are exchanged between users, allowing use of a cryptographic algorithm. If Alice and Bob wish to exchange encrypted messages, each must be equipped to decrypt received messages and to… …   Wikipedia

• Message discipline — is the concept that politicians and other public policy advocates should talk about what is relevant to achieve their aims, and not allow themselves to be sidetracked either by their own thoughts or the questions of press or audience. When a… …   Wikipedia

• Key-schedule — En cryptographie, le key schedule (préparation des clés) consiste à créer des sous clés à partir de la clé principale pour un algorithme de chiffrement par bloc. Le terme est également employé dans le cadre des fonctions de hachage… …   Wikipédia en Français

• Key Schedule — En cryptographie, le key schedule (préparation des clés) consiste à créer des sous clés à partir de la clé principale pour un algorithme de chiffrement par bloc. Le terme est également employé dans le cadre des fonctions de hachage… …   Wikipédia en Français

• Key server (software licensing) — Key server for software licensing is a colloquial or generic description that refers to a centralized computer software system which provides tokens, or keys, to client computers in order to enable licensed software to run on them.In 1989,… …   Wikipedia

• Message authentication code — In cryptography, a message authentication code (often MAC) is a short piece of information used to authenticate a message. A MAC algorithm, sometimes called a keyed (cryptographic) hash function, accepts as input a secret key and an arbitrary… …   Wikipedia

• Key size — In cryptography, key size or key length is the size measured in bits[1] of the key used in a cryptographic algorithm (such as a cipher). An algorithm s key length is distinct from its cryptographic security, which is a logarithmic measure of the… …   Wikipedia

• Key derivation function — KDF redirects here. For the Nazi organization, see Kraft durch Freude In cryptography, a key derivation function (or KDF) is a function which derives one or more secret keys from a secret value and/or other known information such as a password or …   Wikipedia