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Computing (FOLDOC) dictionary
Public Key Infrastructure
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cryptography, communications (PKI) A system of public keyencryption using digital certificates from CertificateAuthorities and other registration authorities that verify
and authenticate the validity of each party involved in an
electronic transaction.
PKIs are currently evolving and there is no single PKI nor
even a single agreed-upon standard for setting up a PKI.
However, nearly everyone agrees that reliable PKIs are
necessary before electronic commerce can become widespread.