From eIDAS to NIS2, DORA to GDPR, European and global regulations increasingly require organizations to implement strong cryptographic controls. PKI is at the heart of meeting these requirements.
Regulatory compliance is no longer a checkbox exercise. For organizations operating in Europe and beyond, a growing body of legislation now explicitly requires strong cryptographic controls, identity verification, and data protection mechanisms. Public Key Infrastructure (PKI) sits at the centre of all three.
Digital certificates enable encrypted communications, authenticated identities, and verifiable digital signatures. These are the exact capabilities that regulators demand when they write about "appropriate technical measures" or "state of the art security." Without a well-managed PKI, meeting compliance obligations becomes significantly harder and, in some cases, impossible.
This chapter maps the most important regulations to specific PKI requirements, helping you understand not just what the law says, but how your certificate infrastructure needs to support it. Whether you are a CISO building a compliance roadmap or a PKI architect designing for auditability, the sections below give you a practical framework to work from. For a broader strategic perspective, see our chapter on building a CLM strategy.
eIDAS defines Qualified Certificates as the highest assurance level for digital certificates. They must be issued by Qualified Trust Service Providers (QTSPs) who are audited and supervised by national authorities. These certificates carry legal weight equivalent to handwritten signatures across all EU member states.
Organizations (not just individuals) can use Qualified Electronic Seals to guarantee the origin and integrity of documents. This requires PKI infrastructure capable of issuing and managing seal certificates that meet strict technical standards defined in ETSI norms.
eIDAS 2.0 reintroduces Qualified Website Authentication Certificates (QWACs), requiring browsers to recognize them. For organizations, this means managing a distinct certificate type with specific issuance and renewal requirements alongside standard TLS certificates.
You cannot demonstrate compliance over assets you do not know exist. A comprehensive, continuously updated certificate inventory is the foundation. Every certificate, regardless of issuing CA or deployment location, must be discovered, catalogued, and monitored.
Define certificate policies that encode regulatory requirements: minimum key lengths, approved algorithms, maximum validity periods, naming conventions, and allowed CAs. Then enforce them automatically so that non-compliant certificates cannot be issued.
Every certificate operation (issuance, renewal, revocation, policy change) should be logged with timestamps, user identities, and approval chains. These audit trails are what you present to regulators and auditors. Automated reporting dashboards reduce the burden of producing evidence on demand.
Manual processes introduce human error and create compliance gaps. Automating certificate enrollment, renewal, and deployment through protocols like ACME, SCEP, and EST ensures that certificates are always current, correctly configured, and issued according to policy.
Regulations evolve, and so do cryptographic standards. A compliance-ready PKI must be able to rapidly migrate to new algorithms (for example, post-quantum cryptography) without disrupting operations. This means avoiding hard-coded algorithm choices and maintaining flexibility in your certificate templates.
The Payment Card Industry Data Security Standard requires strong encryption for cardholder data in transit (Requirement 4) and robust key management practices (Requirement 3.5-3.7). Every certificate protecting payment data must be tracked, rotated on schedule, and issued by a trusted CA.
SOC 2 audits evaluate controls relevant to security, availability, processing integrity, confidentiality, and privacy. Encryption controls, including certificate management practices, are a common focus area. Auditors will ask how certificates are inventoried, renewed, and revoked.
The U.S. National Institute of Standards and Technology provides recommendations for key management. While not a regulation in Europe, many organizations reference NIST guidelines when designing their PKI architecture and certificate lifecycle policies.
Regulation-aware policy engine — Evertrust CLM lets you define certificate policies mapped to specific regulations (eIDAS, NIS2, DORA, GDPR). Non-compliant certificate requests are automatically blocked before issuance.
Complete audit trails — Every certificate operation is logged with full context: who requested it, who approved it, which policy was applied, and when it was deployed. Export audit reports in formats ready for regulatory review.
Multi-CA governance — Manage certificates from public CAs, private CAs, and QTSPs in a single platform. Evertrust PKI enforces consistent policies regardless of the issuing authority, giving you unified compliance visibility.
Compliance dashboards — Real-time dashboards show your compliance posture at a glance: certificates approaching expiration, policy violations, weak algorithms in use, and coverage gaps across your infrastructure.
