private key cryptography

private key cryptography
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 messagehyponym

Useful english dictionary. 2012.

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  • 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 (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

  • private key — noun The unpublished key in a cryptographic system that uses two keys. See Also: public key, public key cryptography …   Wiktionary

  • 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

  • public key cryptography — noun a method of encryption of electronic data sent from one person to another which relies on two authentication keys, one public and one private, the two keys being connected by an algorithm which makes the combination unique, neither key being …  

  • 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 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

  • 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

  • Cryptography — Secret code redirects here. For the Aya Kamiki album, see Secret Code. Symmetric key cryptography, where the same key is used both for encryption and decryption …   Wikipedia

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