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Security Fundamentals & Crypto · Advanced

Certification Practice Statement (CPS)

Document describing how a CA operates and implements its certificate policy.

Definition

The CPS details identity validation, key protection, revocation, auditing, and operational procedures. The Certificate Policy (CP) states what requirements apply, while the CPS states how the CA meets them. RFC 3647 provides the standard framework.

Example

Relying parties read a CA's CPS to understand how it validates organizations before issuing OV certificates.

Exam tip

CP = what rules apply; CPS = how the CA implements them.

Related terms