single-key cryptography

См. также в других словарях:

• Public-key cryptography — In an asymmetric key encryption scheme, anyone can encrypt messages using the public key, but only the holder of the paired private key can decrypt. Security depends on the secrecy of that private key …   Wikipedia

• Transient-key cryptography — is a form of public key cryptography wherein keypairs are generated and assigned to brief intervals of time instead of to individuals or organizations. In a transient key system, private keys are used briefly and then destroyed, which is why it… …   Wikipedia

• private key cryptography — UK US noun [uncountable] business, computing a way of keeping Internet messages secret in which a single key (=letter or number) changes the message into code and back again Thesaurus: codes and codificationhyponym communicating by email or text… …   Useful english dictionary

• private key cryptography — UK / US noun [uncountable] business, computing a way of keeping Internet messages secret in which a single key (= letter or number) changes the message into code and back again …   English dictionary

• 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 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 (lock) — A cut key A key is an instrument that is used to operate a lock. A typical key consists of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that… …   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 signature — For use in cryptography, see Key signature (cryptography). Key signature A major / F♯ minor with three sharps placed after the clef. In musical notation, a key signature is a series of sharp or …   Wikipedia

• Key distribution center — In cryptography, a key distribution center (KDC) is part of a cryptosystem intended to reduce the risks inherent in exchanging keys. KDCs often operate in systems within which some users may have permission to use certain services at some times… …   Wikipedia

• Quantum cryptography — Quantum cryptography, or quantum key distribution (QKD), uses quantum mechanics to guarantee secure communication. It enables two parties to produce a shared random bit string known only to them, which can be used as a key to encrypt and decrypt… …   Wikipedia