what is Asymmetric cryptosystem


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This is an information system utilizing an algorithm or series of algorithms
which provide a cryptographic key pair consisting of a private key and a corresponding public
key. The keys of the pair have the properties that (1) the public key can verify a digital signature
that the private key creates, and (2) it is computationally infeasible to discover or derive the
private key from the public key. The public key can therefore be disclosed without significantly
risking disclosure of the private key. This can be used for confidentiality as well as for
authentication.




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