About

PKI is short for Public Key Infrastructure… a framework for creating a secure method for exchanging information based on public key cryptography. The foundation of a PKI is the certificate authority (CA), which issues digital certificates that authenticate the identity of organizations and individuals over a public system such as the Internet. The certificates are also used to sign messages , which ensures that messages have not been tampered with. For more on how certificates and public keys are used, see digital certificate.

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