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About: Key exchange     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Rule106652242, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatCryptographicProtocolsyago:Abstraction100002137yago:Communication100033020yago:Direction106786629yago:Message106598915yago:Protocol106665108yago:Rule106652242 New Facet based on Instances of this Class

Key exchange (also key establishment) is a method in cryptography by which cryptographic keys are exchanged between two parties, allowing use of a cryptographic algorithm. If the sender and receiver wish to exchange encrypted messages, each must be equipped to encrypt messages to be sent and decrypt messages received. The nature of the equipping they require depends on the encryption technique they might use. If they use a code, both will require a copy of the same codebook. If they use a cipher, they will need appropriate keys. If the cipher is a symmetric key cipher, both will need a copy of the same key. If it is an asymmetric key cipher with the public/private key property, both will need the other's public key.