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Public Key Infrastructure

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

Public Key Infrastructure

A public key infrastructure, often shortened to PKI, is a system of digital certificates, certification authorities (CAs) and other registration authorities (RAs) that verify and authenticate the validity of each party involved in an electronic transaction through the use of public key cryptography.