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CA Owner · Taiwan, Republic of China

Chunghwa Telecom

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Identity
CountryCCADBA text value provided by the CA Owner representing the physical address of their organization.
🇹🇼 Taiwan, Republic of China
Documentation
Policy DocsCCADBNotes about the documentation, such as which language the documents are in, or additional documents that need to be listed, as configured by the CA Owner.
Doc RepositoryCCADBThe URL to the document repository pertaining to this certificate, as configured by the CA Owner.
Problem ReportingCCADBCCADB-published contact mechanisms for certificate problem reports and CA incident reports.
CCADB-published contact mechanisms for certificate problem reports and CA incident reports.
Chunghwa Telecom
report_abuse[at]cht[dot]com[dot]tw
Mozilla CA Program — Known Bugzilla Cases (38)
Filter cases
#2055120 ASSIGNED Ca Certificate Compliance Incident Self Reported Incident Ccadb Disclosure Issue 2 comments Opened 2026-07-15 Still Open
Chunghwa Telecom: Incomplete disclosure of CRL URLs in CCADB
AI Summary
#2052090 ASSIGNED Trust Bit Disablement Incident 2 comments Opened 2026-07-02 Still Open
Remove the Email (S/MIME) trust bit for ePKI Root Certification Authority
AI Summary
#2025231 RESOLVED Delayed Revocation 8 comments Opened 2026-03-23 · Closed 2026-04-24
Chunghwa Telecom: Test Website certificate not revoked
AI Summary
#2012274 RESOLVED Self Reported Incident Certificate Misissuance Revocation Issue 14 comments Opened 2026-01-24 · Closed 2026-03-08
Chunghwa Telecom: Issuance of certificate using keys previously reported as compromised
AI Summary
#2009048 RESOLVED Self Reported Incident Audit Finding 7 comments Opened 2026-01-07 · Closed 2026-02-19
Chunghwa Telecom: Delayed disclosure to Bug 2008803 GTLSCA Audit Incident Report #4 - Missing evaluation for third parties
AI Summary
#2009046 RESOLVED Self Reported Incident Audit Finding 8 comments Opened 2026-01-07 · Closed 2026-02-19
Chunghwa Telecom: Delayed disclosure to Bug 2008799 GTLSCA Audit Incident Report #3 - Missing vulnerability scan
AI Summary
#2009045 RESOLVED Self Reported Incident Audit Finding 10 comments Opened 2026-01-07 · Closed 2026-02-19
Chunghwa Telecom: Delayed disclosure to Bug 2008788 GTLSCA Audit Incident Report #2 - Domain validation records without the TLS BR version
AI Summary
#2009043 RESOLVED Delayed Revocation 7 comments Opened 2026-01-07 · Closed 2026-02-19
Chunghwa Telecom: Delayed disclosure to Bug 2008782 GTLSCA Audit Incident Report #1 - mass certificate revocation plan
AI Summary
#2008803 RESOLVED Self Reported Incident Audit Finding 8 comments Opened 2026-01-06 · Closed 2026-02-12
Chunghwa Telecom: Findings in 2025 WebTrust Audit - GTLSCA Audit Incident Report #4 - Missing evaluation for third parties
AI Summary
#2008799 RESOLVED Self Reported Incident Audit Finding 7 comments Opened 2026-01-06 · Closed 2026-02-19
Chunghwa Telecom: Findings in 2025 WebTrust Audit - GTLSCA Audit Incident Report #3 - Missing vulnerability scan
AI Summary
#2008788 RESOLVED Self Reported Incident Audit Finding 10 comments Opened 2026-01-06 · Closed 2026-02-11
Chunghwa Telecom: Findings in 2025 WebTrust Audit - GTLSCA Audit Incident Report #2 - Domain validation records without the TLS BR version
AI Summary
#2008782 RESOLVED Ca Certificate Compliance 7 comments Opened 2026-01-06 · Closed 2026-02-18
Chunghwa Telecom: Findings in 2025 WebTrust Audit - GTLSCA Audit Incident Report #1 - mass certificate revocation plan
AI Summary
#2008260 RESOLVED Self Reported Incident 17 comments Opened 2025-12-31 · Closed 2026-02-19
Chunghwa Telecom: Delayed audit disclosure for GTLSCA
AI Summary
#2007765 ASSIGNED Root Inclusion 5 comments Opened 2025-12-26 Still Open
Add Chunghwa Telecom CHT TrustRoot CA
AI Summary
#2005762 RESOLVED Delayed Revocation 9 comments Opened 2025-12-12 · Closed 2026-02-05
Chunghwa Telecom: Failure to respond to CPR within 24 hours
AI Summary
#2005567 RESOLVED Ca Certificate Compliance 16 comments Opened 2025-12-11 · Closed 2026-02-03
Chunghwa Telecom: CA Certificates Published in PEM format
AI Summary
#1959278 RESOLVED Delayed Revocation 12 comments Opened 2025-04-08 · Closed 2025-06-24
Chunghwa Telecom: Delayed revocation for bug 1951415
AI Summary
#1956910 RESOLVED Certificate Misissuance 12 comments Opened 2025-03-27 · Closed 2025-07-16
Chunghwa Telecom: OV TLS Server certificate issuance by GTLSCA without proper validation
AI Summary
#1951415 RESOLVED Certificate Misissuance Delayed Revocation 31 comments Opened 2025-03-03 · Closed 2025-05-08
Chunghwa Telecom: Failure to check restrictive CAA record during Migration
AI Summary
#1947034 RESOLVED Policy Document Issue Self Reported Incident 10 comments Opened 2025-02-09 · Closed 2025-04-11
Chunghwa Telecom: outdated and stale policy documents disclosed to the CCADB
AI Summary
#1946418 RESOLVED Audit Delay Incident 7 comments Opened 2025-02-06 · Closed 2025-03-14
Chunghwa Telecom: Delayed to Submit Annual CCADB Self-Assessment 2024 by GTLSCA.
AI Summary
#1946414 RESOLVED Self Reported Incident Incident 16 comments Opened 2025-02-06 · Closed 2025-04-09
Chunghwa Telecom: Failure to Submit Annual CCADB Self-Assessment 2023 by GTLSCA.
AI Summary
#1917224 RESOLVED Audit Delay Self Reported Incident 20 comments Opened 2024-09-06 · Closed 2025-06-03
Chunghwa Telecom: Delayed Annual Audit Report 2024
AI Summary
#1917195 RESOLVED Self Assessment 1 comment Opened 2024-09-06 · Closed 2026-02-13
Chunghwa Telecom: HiPKI CCADB Self Assessment Framework 2024
AI Summary
#1917193 RESOLVED Self Assessment 3 comments Opened 2024-09-06 · Closed 2026-02-13
Chunghwa Telecom: ePKI CCADB Self Assessment Framework 2024
AI Summary
#1916392 RESOLVED Self Reported Incident Revocation Issue 18 comments Opened 2024-09-03 · Closed 2025-02-12
Chunghwa Telecom: TLS Certificates Contains two LocalityName Values in SubjectDN by GTLSCA
AI Summary
#1904038 RESOLVED Self Reported Incident Revocation Issue 17 comments Opened 2024-06-21 · Closed 2025-04-18
Chunghwa Telecom: “Test Website - Valid" URL disclosed to CCADB is expired
AI Summary
#1903066 RESOLVED Delayed Revocation 62 comments Opened 2024-06-17 · Closed 2025-02-12
Chunghwa Telecom: Delayed Revocation with Controversial Extension (2.5.29.9, SubjectDirectoryAttributes)
AI Summary
#1899466 RESOLVED Delayed Revocation 20 comments Opened 2024-05-29 · Closed 2024-09-13
Chunghwa Telecom: Controversial Values within Extension (2.5.29.9, subjectDirectoryAttributes)
AI Summary
#1892419 RESOLVED Delayed Revocation 19 comments Opened 2024-04-19 · Closed 2025-02-12
Chunghwa Telecom: Delayed Revocation Due to GTLSCA EKU Misissuance
AI Summary
#1891438 RESOLVED Trust Bit Disablement 26 comments Opened 2024-04-15 · Closed 2026-02-13
Chunghwa Telecom: Postpone removal of ePKI Root CA's websites trust bit
AI Summary
#1887096 RESOLVED Ca Certificate Compliance Certificate Misissuance Closure Request 34 comments Opened 2024-03-22 · Closed 2024-09-06
Chunghwa Telecom: Wrong Extended Key Usage setting by GTLSCA
AI Summary
#1614444 RESOLVED Ca Certificate Compliance Audit Finding 2 comments Opened 2020-02-10 · Closed 2024-06-30
Chunghwa Telecom: ALV failures on intermediate certificates
AI Summary
#1563417 RESOLVED Root Inclusion 30 comments Opened 2019-07-03 · Closed 2022-11-14
Add Chunghwa Telecom's HiPKI Root CA -G1 Certificate
AI Summary
#1532436 RESOLVED Ca Certificate Compliance Certificate Misissuance Closure Request 57 comments Opened 2019-03-04 · Closed 2023-02-22
Chunghwa Telecom: Test certificate with unregistered domain name
AI Summary
#1483068 RESOLVED Audit Document 5 comments Opened 2018-08-13 · Closed 2022-12-08
Chunghwa Telecom Audit Statements
AI Summary
#1341604 RESOLVED Root Inclusion Certificate Misissuance 73 comments Opened 2017-02-22 · Closed 2022-11-14
Add Renewed Chunghwa Telecom eCA root certificate (ePKI Root Certification Authority - G2)
AI Summary
#448794 RESOLVED Root Inclusion 19 comments Opened 2008-08-01 · Closed 2022-11-14
Add Chunghwa Telecom eCA root certificate
AI Summary
Certificates (32)
Filter by type
Certificate Type Trust Source agreement Capabilities Valid Until Actions
CHT TrustRoot CA - G1
Root
AppleChromeMicrosoftMozilla
 — 2040-08-25
CHT Trust TLS CA - G1
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2028-08-25
CHT Trust TLS CA - G1
Intermediate
AppleChromeMicrosoftMozilla
 — 2029-03-10
ePKI Root Certification Authority
Root
AppleChromeMicrosoftMozilla
 ✓
TLSCode Signing
 2034-12-20
ePKI Root Certification Authority - G2
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2034-12-20
ePKI Root Certification Authority - G2
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2034-12-20
ePKI Root Certification Authority
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2034-12-20
ePKI Root Certification Authority - G2
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2034-12-20
ePKI Root Certification Authority - G2
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2034-12-20
HiPKI Root CA - G1
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2034-12-19
Public Certification Authority
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2027-05-16
Public Certification Authority
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2027-05-16
Public Certification Authority - G2
Intermediate
AppleChromeMicrosoftMozilla
 i
TLSCode Signing
 2034-12-11
Public Certification Authority - G2
Intermediate
AppleChromeMicrosoftMozilla
 i
TLSCode Signing
 2034-12-11
中華電信憑證管理中心
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2025-08-30
ePKI Root Certification Authority - G2
Root
AppleChromeMicrosoftMozilla
 ✓
TLS
 2037-12-31
CHT SMIME CA - G1
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2037-12-29
CHT SMIME CA - G1
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2037-12-29
CHT SMIME CA - G1
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2037-12-29
ePKI EV SSL Certification Authority - G1
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2030-02-04
ePKI Root Certification Authority
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2034-12-20
ePKI Root Certification Authority
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2034-12-20
ePKI Timestamping CA - G1
Constrained
 Intermediate
AppleChromeMicrosoftMozilla
 i — 2037-12-29
Public Certification Authority - G2
Intermediate
AppleChromeMicrosoftMozilla
 i
TLSCode Signing
 2034-12-11
Public Certification Authority - G4
Intermediate
AppleChromeMicrosoftMozilla
 i — 2037-12-31
政府伺服器數位憑證管理中心 - G1
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2031-08-19
ePKI Root Certification Authority - G4
Root
AppleChromeMicrosoftMozilla
 ✓
2047-11-03
CHT SMIME CA - G2
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2038-12-21
Public Certification Authority - G4
Intermediate
AppleChromeMicrosoftMozilla
 i — 2042-11-03
HiPKI Root CA - G1
Root
AppleChromeMicrosoftMozilla
 ✓
TLSEV
 2037-12-31
HiPKI EV TLS CA - G1
Revoked
 Intermediate
AppleChromeMicrosoftMozilla
 — 2037-12-31
HiPKI OV TLS CA - G1
Intermediate
AppleChromeMicrosoftMozilla
 i
TLS
 2037-12-31

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