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== Definition == |
== Definition == |
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− | An '''asymmetric cipher''' is an [[encryption]] scheme using a pair of [[key]]s, one to [[encrypt]] and a second to [[decrypt]] a [[message]]. |
+ | An '''asymmetric cipher''' (also called '''asymmetric encryption system''') is an [[encryption]] scheme using a pair of [[key]]s, one to [[encrypt]] and a second to [[decrypt]] a [[message]]. |
== Overview == |
== Overview == |
Latest revision as of 22:57, 10 October 2019
Definition[]
An asymmetric cipher (also called asymmetric encryption system) is an encryption scheme using a pair of keys, one to encrypt and a second to decrypt a message.
Overview[]
A special class of asymmetric ciphers are public-key ciphers, in which the encrypting key need not be kept secret to ensure a private communication.