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Public Key Infrastructure (PKI)

Framework for issuing, managing, and validating digital certificates.

Definition

Framework for issuing, managing, and validating digital certificates.

Why it matters

Foundational to digital signatures and encrypted document exchange.

Related PDFHQ workflows

Relevant for protect/sign/validate workflow education.

Related Knowledge

Digital Signature

Cryptographic signature proving integrity and signer authenticity.

Encryption

Cryptographic protection applied to document content and permissions.

Certificate Revocation List (CRL)

Published list of revoked certificates that should no longer be trusted.

Certificate Chain

Ordered trust path from signer certificate to trusted root authority.

Timestamp

Trusted time assertion proving when data existed or was signed.

X.509 Certificate

Standard certificate format used in most PKI signature ecosystems.