Digital Certificates

Issued by Digi-Sign under ETO for use to validate and authenticate
the identity of the party to a transaction, be it an individual or organisation

Digital Certificates

Issued by Digi-Sign under ETO for use to validate and authenticate
the identity of the party to a transaction, be it an individual or organisation

Digital Certificates

Issued by Digi-Sign under ETO for use to validate and authenticate
the identity of the party to a transaction, be it an individual or organisation

Digital Certificates

Issued by Digi-Sign under ETO for use to validate and authenticate
the identity of the party to a transaction, be it an individual or organisation

Issued by Tradelink’s wholly-owned subsidiary, Digi-Sign Certification Services Limited (Digi-Sign), the first and only commercial Recognized Certification Authority in Hong Kong under the Electronic Transactions Ordinance (ETO), our wide range of digital certificates can be applied to validate and authenticate the identity of the party to a transaction, be it an individual or organisation.

You can rely on us

1M + digital certificate issued with zero faults

Make sure you comply fully with local regulations

HK's only commercial Recognized Certification Authority

Accredited ISO9001 certification for quality customer service since 2004

Digital Certificates

A digital certificate is a form of electronic record that serves as an identification of who you are in conducting online transactions. It can be installed in your PCs and other storage devices where appropriate, and can be used in a range of services such as Government e-services and online banking. Under the ETO, only a recognized certification authority can issue recognized certificates.

Recognized Certificates
  • Issued by Digi-Sign under a Public Key Infrastructure (PKI) in compliance with section 22 of the ETO (Cap. 553) of the Laws of Hong Kong
  • Support digital signatures used to confirm a signatory's identity, guarantee the document's integrity and ensure non-repudiation by origin of the document
  • Governed by the Certification Practice Statement that Digi-Sign publishes on its website from time to time
  • 11 classes of Recognized Certificates available, including:
    Recognised Certificates
    Personal ID-Cert Class 1
    • For individuals aged 18+
    • Used for identity proof and digital signatory
    Recognised Certificates
    Organizational ID-Cert Class 2 and 5
    • For authorised employees/members of organisations
    • Used for identity proof and digital signatory
    • Apply through authorised delegate (Class 2) or authorised representative (Class 5)
    Recognised Certificates
    Encipherment ID-Cert Class 3
    • For authorised individuals and organisations
    • Used for encryption and decryption of electronic messages
    Recognised Certificates
    Governmental ID-Cert Class 6 and 7
    • For authorised employees/members of government agencies
    • Used for signing (Class 6) and encryption purpose (Class 7)
    Recognised Certificates
    Personal ID-Cert Class 8 and Organizational ID-Cert Class 9
    • Same as Personal ID Cert Class 1 & Organizational ID-Cert Class 5
    • Signing certificate mutually recognised under the "Arrangement of mutual recognition of electronic signature certificates issued by Hong Kong and Guangdong"
    Recognised Certificates
    Personal (Banking) ID-Cert Class 10 and Organizational (Banking) ID-Cert Class 11
    • For individual and corporate customers of banks
    • Support digital signing for e-cheque and other banking services
    Recognised Certificates
    Personal (Remote) ID-Cert Class 12
    • For individual aged 18+ with valid travel documents
    • Support remote digital signing provided by Remote Signing Service Provider (RSSP)
Premium Certificates
  • Customised certificate service that complies with the technology and security measures adopted under the Recognized Certificate Authority hierarchy
  • Provide equal trustworthiness as recognized certificates but without the need for a costly in-house PKI deployment
  • Support integration with existing operations, workflows and internal applications within an organisation
  • Service set up is easy and quick
Success case highlights

Provided a Smart Warrant Card System with the use of ID-Cert to a Government department

We provided a customised Smart Warrant Card System to a Government department with more than 40,000 staff. The system enables the Government department to issue Government ID-Cert Class 6 & 7 for identity authentication and secure encryption for all its staff with a self-management web portal for certificate management. Our solution ensures a secure message exchange environment within the authorised communities of our client and facilitates departmental portal access rights with the self-management web portal.

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