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 2
Hongkong Post e-Cert CA 2 - 15
Hongkong Post e-Cert CA 2 - 17
Hongkong Post e-Cert CA 2 - 19
Hongkong Post Root CA 3
Hongkong Post e-Cert SSL CA 3 - 17
Hongkong Post e-Cert EV SSL CA 3 - 17
GlobalSign Root CA - R3
Hongkong Post Root CA 3
(Cross certificate 2022)
Hongkong Post Root CA 2
This Root CA is valid for 25 years (5 September 2015 – 5 September 2040) and is
required for verifying the Hongkong Post digital
signature on the Sub CA
Note 1
"Hongkong Post e-Cert CA 2 - 15",
"Hongkong Post e-Cert CA 2 - 17" and
"Hongkong Post e-Cert CA 2 - 19".
Download the "Hongkong Post Root CA 2" certificate
Instructions of installation of CA certificates
Hongkong Post e-Cert CA 2 - 15
This Sub CA
Note 1
is
valid from 5 September 2015 to 5 September 2030 and
is required for verifying the Hongkong Post digital signature on
Bank-Cert (Personal), Bank-Cert (Corporate) and
Bank-Cert (Bank) issued on or after
7 December 2015
.
The words "Hongkong Post e-Cert CA 2 - 15"
will be displayed in the "Issuer" field of the above Bank-Certs.
Download the "Hongkong Post e-Cert CA 2 - 15" certificate
Instructions of installation of CA certificates
Hongkong Post e-Cert CA 2 - 17
This Sub CA
Note 1
is
valid from 12 August 2017 to 12 August 2032 and is
required for verifying the Hongkong Post digital signature
on e-Cert (Personal), e-Cert (Organisational) and e-Cert
(Encipherment) issued on or after
1 February 2019
.
The words "Hongkong Post e-Cert CA 2 - 17"
will be displayed in the "Issuer" field of the above e-Certs.
Download the "Hongkong Post e-Cert CA 2 - 17" certificate
Hongkong Post e-Cert CA 2 - 19
This Sub CA
Note 1
is
valid from 29 July 2019 to 29 July 2034 and is
required for verifying the Hongkong Post digital signature
on iAM Smart-Cert issued on or after
7 October 2020
.
The words "Hongkong Post e-Cert CA 2 - 19"
will be displayed in the "Issuer" field of the above iAM Smart-Certs.
Download the "Hongkong Post e-Cert CA 2 - 19" certificate
Hongkong Post Root CA 3
This Root CA is valid for 25 years (3 June 2017 – 3 June 2042) and is
required for verifying the Hongkong Post digital signature
on the Sub CA
Note 1
"Hongkong Post e-Cert SSL CA 3 - 17" and
"Hongkong Post e-Cert EV SSL CA 3 - 17".
Download the "Hongkong Post Root CA 3" certificate
Instructions of installation of CA certificates
Hongkong Post e-Cert SSL CA 3 - 17
This Sub CA
Note 1
is
valid from 3 June 2017 to 3 June 2032 and is
required for verifying the Hongkong Post digital signature
on e-Cert (Server) issued on or after
1 July 2019
.
The words "Hongkong Post e-Cert SSL CA 3 - 17"
will be displayed in the "Issuer" field of the above e-Certs.
Download the "Hongkong Post e-Cert SSL CA 3 - 17" certificate
Instructions of installation of CA certificates
Hongkong Post e-Cert EV SSL CA 3 - 17
This Sub CA
Note 1
is
valid from 3 June 2017 to 3 June 2032 and is
required for verifying the Hongkong Post digital signature
on Extended Validation e-Cert (Server) issued on or after
21 January 2022
.
The words "Hongkong Post e-Cert EV SSL CA 3 - 17"
will be displayed in the "Issuer" field of the above e-Certs.
Download the "Hongkong Post e-Cert EV SSL CA 3 - 17" certificate
Instructions of installation of CA certificates
Hongkong
Post Root CA 3 (Cross certificate 2022)
This cross certificate "Hongkong Post Root CA 3" is valid from 16 November 2022 to 18 March 2029 signed by "GlobalSign Root CA - R3".
Download the "Hongkong Post Root CA 3" cross certificate
User Guide for installation of the cross certificate
Expired Hongkong Post Root CA 1
The Root CA 1, Sub CA
"Hongkong Post e-Cert CA 1 - 10",
"Hongkong Post e-Cert CA 1 - 14" and
"Hongkong Post e-Cert CA 1 - 15" are expired on
15 May 2023
.
Download the expired "Hongkong Post Root CA 1" certificate
Download the expired "Hongkong Post e-Cert CA 1 - 10" certificate
Download the expired "Hongkong Post e-Cert CA 1 - 14" certificate
Download the expired "Hongkong Post e-Cert CA 1 - 15" certificate
Expired Hongkong Post e-Cert CA 1
This Sub CA
Note 1
expired on
15 May 2013
. It has been
used to issue e-Cert and Bank-Cert in the following periods:-
e-Cert (Personal) issued between
23 June 2003
and
25 February 2010
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.
Download the expired "Hongkong Post e-Cert CA 1" certificate
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
1: Sub CA refers to the subordinate certification
authority certificate which is issued by the respective Root CA
"Hongkong Post Root CA 1" ,
"Hongkong Post Root CA 2" or
"Hongkong Post Root CA 3" and is used
to sign the Hongkong Post Recognized Certificates.
