Hongkong Post e-Cert
Home Contact Us Sitemap 繁體中文 简体中文 Text Mode
A A A


Certizen Limited

Hongkong Post

Level Double-A conformance, W3C WAI Web Content Accessibility Guidelines 2.0

 

Hongkong Post CA Root Certificate

Each of the e-Certs issued by Hongkong Post bears a digital signature supported by a Hongkong Post CA root certificate that proves the authenticity of the e-Cert. The common browser software installed on your computer supports storage and use of such root certificates. To allow your browser to recognize the e-Certs issued by Hongkong Post, the following Hongkong Post CA root certificates should be installed in your browser on your computer:-

Hongkong Post Root CA 1

This Root CA is valid for 20 years (15 May 2003 – 15 May 2023) and is required for verifying the Hongkong Post digital signature on the Sub CANote 1 "Hongkong Post e-Cert CA 1 - 10" and the expired Sub CA “Hongkong Post e-Cert CA 1”.

Hongkong Post e-Cert CA 1 - 10

This Sub CANote 1 is valid from 9 January 2010 to 15 May 2023 and is required for verifying the Hongkong Post digital signature on e-Cert (Personal), e-Cert (Organisational), e-Cert (Encipherment) and e-Cert (Server) issued on or after 26 February 2010.

The words "Hongkong Post e-Cert CA 1 - 10" will be displayed in the "Issuer" field of the above e-Certs.

Expired Hongkong Post e-Cert CA 1

This Sub CANote 1 expired on 15 May 2013. It has been used to issue e-Cert and Bank-Cert in the following periods:-

  1. e-Cert (Personal) issued between 23 June 2003 and 25 February 2010
  2. e-Cert (Organisational), e-Cert (Encipherment), e-Cert (Server), Bank-Cert (Personal) and Bank-Cert (Corporate) issued between 12 January 2004 and 25 February 2010.

The words "Hongkong Post e-Cert CA 1" will be displayed in the "Issuer" field of the above e-Certs and Bank-Certs.

Retired Hongkong Post CA Root Certificates

The CA root certificates "Hongkong Post Root CA" and "Hongkong Post e-Cert CA" have been retired and revoked on 31 March 2005.

Download retired CA certificates

Note 1: Sub CA refers to the subordinate certification authority certificate which is issued by the Root CA "Hongkong Post Root CA 1" and is used to sign the Hongkong Post Recognized Certificates.

Apply for e-Cert
Usage of e-Cert
e-Cert User Guide