About Hong Kong Certification Authority (HKCA)

Hong Kong Certification Authority (HKCA) is a trusted Certificate Authority recognised by the Digital Policy Office, delivering world‑class digital certificate solutions for individuals and organisations in Hong Kong and beyond.

🔒 Security You Can

Our certificates use industry‑leading encryption to protect digital transactions and communications at the highest security standards.

✓ Government Approved

Officially approved by the Digital Policy Office for identity validation and authentication in digital transactions.

🌐 Broad Compatibility

Fully compatible with all major browsers, operating systems, and platforms for smooth and reliable integration.

🎯 Professional Support

Our dedicated technical support team provides expert assistance with implementation, troubleshooting, and certificate management.

Types of Digital Certificates

Digital Certificates

Provides trusted digital identity certificates with strong authentication and encryption technologies. It supports individuals, organisations, and servers, helping to secure everyday electronic transactions.

Digital Certificates for Individuals and Organisations

Digital Certificates (Personal)
Secure digital identity for individuals.
Digital Certificates (Organisational)
Trusted identity authentication for organisations.
Digital Certificates(Encipherment)
Encryption certificates for protecting sensitive data.

Digital Certificates (Server)

A range of server certificates with different
verification levels and domain options to
protect websites and servers.

DV d-Cert (Server)
DV d-Cert (Server) with “Wildcard” feature
DV d-Cert (Server) with “Multi-domain” feature
OV d-Cert (Server)
OV d-Cert (Server) with “Wildcard” feature
OV d-Cert (Server) with “Multi-domain” feature
EV d-Cert (Server)
EV d-Cert (Server) with “Multi-domain” feature

HKCA Digital Certificate (Specific Application Scenarios)

Tailored digital certificates designed for
specific use cases and industry needs.

d-Cert (Organisational Role) Coming Soon
Bank-Cert Coming Soon
g-Cert Coming Soon
iAM Smart-Cert Coming Soon

Application and Usage

New d-Cert Application

New applicants must complete and submit the online application through the d‑Cert Subscriber Portal, together with the required supporting documents and application fees.

Install your d-Cert

Follow the instructions in the relevant Digital Certificate User Guide to install your certificate in supported internet browsers.

Search and Download d-Cert

Search and download certificates to verify digital signatures you receive or to send encrypted messages securely.

Resources

📜 Certification Practice Statement (CPS)

The Certification Practice Statement (CPS) outlines the policies, procedures, and security standards followed by HKCA in issuing and managing digital certificates. It helps users, relying parties, and system integrators understand how certificates are verified, issued, renewed, suspended, and revoked, ensuring transparency and trust in HKCA’s certification services.

📋 Repository / Certificate Revocation List (CRL)

The repository provides access to essential certificate information and trust resources. Users can view published certificates, check the validity status of certificates through the Certificate Revocation List (CRL), and obtain the necessary materials to support certificate verification and secure system operations.

📥Root and intermediate certificates

HKCA Root and Intermediate certificates are available for download to establish trust chains in browsers, servers, applications, and security systems. Installing these certificates ensures that HKCA‑issued digital certificates are properly recognised and trusted during authentication and encrypted communications.

Use Cases

Online Banking

Securing Retail Online Banking

Industry:
Finance & Banking

Digital certificates are used to provide strong customer authentication, digitally signed payment instructions, and encrypted account statements and messages.

Benefits:
Secure, phishing‑resistant access; legally binding transactions through non‑repudiation; and strong protection of customer data, especially for high‑value transactions.

E-Government Services

Secure Digital Identity for Citizens and Businesses

Industry:
E-Government

Enable citizens and businesses to log in securely, submit online forms, and sign applications, filings, and contracts using legally recognised digital signatures.

Benefits:
Faster and paperless services, verified identities and data integrity, reduced fraud, and lower administrative effort.

Healthcare Provider e-Services

Trusted Digital Security for Healthcare

Industry:
Healthcare

Issue digital certificates to healthcare professionals and staff for secure system access, encrypted and signed emails, and digitally signed medical documents such as orders, prescriptions, consent forms, and medical certificates.

Benefits:
Protected patient confidentiality, clear accountability through non‑repudiation, and efficient, audit‑ready clinical workflows.