Gartner Research

A Guidance Framework for Deploying PKI

Published: 15 March 2017

ID: G00322320

Analyst(s): Erik Wahlstrom


This guidance framework leads technical professionals through the strategy definition process for public-key infrastructure deployments, with the goal of ensuring that new PKI deployments are effective, successful and aligned to business risk assessments.

Table Of Contents

Problem Statement

The Gartner Approach

The Guidance Framework

  • Step 1: Risk Assessment
  • Step 2: Segmentation Model — Dedicated or Shared PKI
    • Segmentation Model Considerations
  • Step 3: Types of PKI
    • Type 1: External-Facing PKI
    • Type 2: Internal or Enterprise PKI
    • Type 3: Specialized PKI
    • Type 4: No PKI
  • Step 4: Policy and Trust Models
    • Governance
    • Trust Models
    • Registration
  • Step 5: PKI Instances
  • Step 6: Public/Private-Key-Based Functions
    • Authentication/Authorization
    • Encryption
    • Digital Signatures
  • Step 7: Sourcing, Placement and Distribution Model
    • Cloud PKI
    • Managed PKI
    • In-House PKI
    • Joining a Relevant Trust Consortium or Community of Interest
  • Step 8: PKI Operations and Security
    • RA Operations
    • CA Operations
  • Step 9: Key and X.509 Certificate Management
    • Strength of Algorithms and Keys
    • Key Management
    • X.509 Certificate Management
    • Key Storage
    • Long-Term Archival
  • Step 10: Certificate Status Checking and Certificate Transparency
    • Certificate Revocation Lists
    • Online Status Check (OCSP and SCVP)
    • No Status Checking
    • Revocation of Root Certificates
    • Certificate Transparency

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