• A set of roles, policies, hardware, software, and procedures needed to create, store, use, distribute, manage, and revoke digital certificates, and to manage public key encryption. The purpose of a PKI is to facilitate the secure electronic transfer of information for a range of network activities such as ecommerce, Internet banking, and confidential email. It is required for activities where simple passwords constitute an inadequate authentication method and where more rigorous proof is required to confirm the identity of the parties involved and to validate the information being transferred. ← Wikipedia

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