message+encryption+key

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• Cellular Message Encryption Algorithm — Infobox block cipher name = CMEA caption = designers = James A. Reeds III publish date = 1991 derived from = derived to = key size = 64 bits block size = 16 64 bits structure = rounds = 3 cryptanalysis = 338 chosen plaintexts break all block… …   Wikipedia

• 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

• 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

• encryption —    The process of encoding information in an attempt to make it secure from unauthorized access, particularly during transmission. There verse of this process is known as decryption.    Two main encryption schemes are in common use:    • Private… …   Dictionary of networking

• Glossary of cryptographic key types — This glossary lists types of keys as the term is used in cryptography, as opposed to door locks. Terms that are primarily used by the U.S. National Security Agency are marked (NSA). For classification of keys according to their usage see… …   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

• encryption — n. the process of converting messages in ordinary language, or other information into a secret coded form that cannot be interpreted without knowing the secret method for interpretation, called the key. Note: Encryption is used commonly to allow… …   The Collaborative International Dictionary of English

• 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

• Encryption — Encrypt redirects here. For the film, see Encrypt (film). This article is about algorithms for encryption and decryption. For an overview of cryptographic technology in general, see Cryptography. In cryptography, encryption is the process of… …   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