Public Key Infrastructure Components (PKI Components)

Registration Authority (RA)
- Verifies the identities of people and organizations applying for certificates.
Certificate Authority (CA)
- Issues, stores, and signs digital certificates.
Central Repository
- A secure location where keys are stored and indexed.
Certificate Management System
- Manages access to stored certificates, certificate issuance, and the certificate lifecycle.
Certificate Policy
- Specifies requirements for PKI procedures and allows third parties to assess the trustworthiness of the PKI.
Validation Authority
- Verifies the validity of digital certificates by checking lists of invalid certificates. It confirms whether a digital certificate was issued by a trusted certificate authority.