public-key infrastructure
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system that can issue, distribute and verify digital certificates
~22 min read
Encyclopedic overview
Diagram of a public key infrastructure
A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption.
Excerpted from Wikipedia’s “public-key infrastructure” article, available under the CC BY-SA 4.0 licence.