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Lexikon


public-key encryption


(PKe, Or "public-key cryptography") An ef="module.php?name=Lexikon&file=search&eid=1&query=encryption">encryption scheme, introduced by Diffie and Hellman in 1976, where each person gets a pair of keys, called the public key and the private key. each person' s public key is published while the private key is kept secret. Messages are encrypted using the intended recipient' s public key and can only be decrypted using his private key. This is often used in conjunction with a ef="module.php?name=Lexikon&file=search&eid=1&query=digital signature">digital signature. The need for sender and receiver to share secret information (keys) via some secure channel is eliminated: all communications involve only public keys, and no private key is ever transmitted or shared. Public-key encryption can be used for ef="module.php?name=Lexikon&file=search&eid=1&query=authentication">authentication, ef="module.php?name=Lexikon&file=search&eid=1&query=confidentiality">confidentiality, ef="module.php?name=Lexikon&file=search&eid=1&query=integrity">integrity and ef="module.php?name=Lexikon&file=search&eid=1&query=non-repudiation">non-repudiation. ef="module.php?name=Lexikon&file=search&eid=1&query=RSA encryption">RSA encryption is an example of a public-key cryptosystem. {alt.security FAQ (http://www.cis.ohio-state.edu/hypertext/faq/bngusenet/alt/security/top.html)}. See also ef="module.php?name=Lexikon&file=search&eid=1&query=knapsack problem">knapsack problem. (1995-03-27)

e="border-width:thin; border-color:#333333; border-style:dashed; padding:5px;" align="left">In addition suitable contents:
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