Certificate authority
OISTE
OISTE operates 4 root certificate(s) trusted for TLS by at least one major root store (CCADB owner: OISTE; country: CH). See fingerprints, expiry and Chrome, Mozilla, Apple and Microsoft status.
Details
- CCADB CA owner
- OISTE
- Country
- CH
- Country (CCADB)
- Switzerland
- Roots
- 4
- Roots trusted for TLS
- Chrome 4 · Mozilla 4 · Apple 2 · Microsoft 2
- Intermediates under its roots
- 23 (16 valid)
- Auditor
- Auren
- CAA
oiste.org
CAA records
The CCADB lists 4 CAA issuer domain(s) recognized by the currently valid intermediate certificates of OISTE. One issue record with any of them lets OISTE issue for your domain. Domains that contain the CA's name come first, the rest by how many valid intermediates recognize them.
Copy-ready record(s) for the first 3 domain(s):
example.com. CAA 0 issue "oiste.org"
example.com. CAA 0 issue "certifyid.com"
example.com. CAA 0 issue "hightrusted.com"| Domain | Valid intermediates |
|---|---|
oiste.org | 10 |
certifyid.com | 10 |
hightrusted.com | 10 |
wisekey.com | 10 |
For issuewild, iodef or DNS-provider formats, use the CAA record generator: CAA Generator
Root certificates (CCADB)
OISTE has 4 root certificate(s) in the CCADB TLS report. Together they have signed 23 intermediate CA certificates, 16 of them still valid.
Roots this CA owner has in the CCADB TLS Server Authentication report, with current status in each root store.
- trusted for TLS
- included with limits (NotBefore / no TLS bit)
- removed or blocked
- not included
| Root certificate | Key | Expires | Ch | Mo | Ap | MS | Intermediates |
|---|---|---|---|---|---|---|---|
| OISTE Server Root ECC G1 | ECDSA P-384 | 2048-05-24 | Included | Included | Not included | Not included | 3 (3) |
| OISTE Server Root RSA G1 | RSA 4096 | 2048-05-24 | Included | Included | Not included | Not included | 3 (3) |
| OISTE WISeKey Global Root GB CA | RSA 2048 | 2039-12-01 | Included | Included | Included | Included | 15 (9) |
| OISTE WISeKey Global Root GC CA | ECDSA P-384 | 2042-05-09 | Included | Included | Included | Included | 2 (1) |
Audits
Audit data the CCADB records for the TLS roots of OISTE. Auditor(s): Auren. The most recent audit period ended on 2026-05-08.
| Audit | Scheme | Period | Statement | Report |
|---|---|---|---|---|
| Standard audit | WebTrust | 2025-05-09 – 2026-05-08 | 2026-07-28 | cpacanada.ca |
| Network security | WebTrust | 2025-05-09 – 2026-05-08 | 2026-07-28 | cpacanada.ca |
| TLS Baseline Requirements | WebTrust | 2025-05-09 – 2026-05-08 | 2026-07-28 | cpacanada.ca |
| TLS EV Guidelines | WebTrust | 2025-05-09 – 2026-05-08 | 2026-07-28 | cpacanada.ca |
CP/CPS documents
Certificate Policy and Certification Practice Statement links that OISTE has disclosed in the CCADB for its TLS roots, with effective dates:
- Markdown CP/CPS: https://raw.githubusercontent.com/OISTE/repository/refs/heads/main/OWGTMCPS.md (effective 2026-08-31)
- Document repository: https://www.oiste.org/repository
Report a certificate problem
To report a mis-issued certificate, a compromised private key or other abuse, use the channels OISTE lists in the CCADB (replace [at] and [dot] in addresses):
cps[at]wisekey[dot]com
Incident reports
CAs in Mozilla's root program file compliance incident reports in Mozilla's Bugzilla (product CA Program, component CA Certificate Compliance). This search lists the bugs whose title contains the words “OISTE”:
ACME directories (CCADB)
DV ACME directory URLs that OISTE has disclosed in the CCADB for its valid certificates:
https://acme.certifyid.com/directory?type=dv
FAQ
What CAA record allows OISTE to issue certificates?
Publish example.com. CAA 0 issue "oiste.org". The CCADB lists 4 recognized domain(s) for OISTE: oiste.org, certifyid.com, hightrusted.com, wisekey.com.
Who audits OISTE?
Auren, according to the CCADB. The latest TLS Baseline Requirements audit (WebTrust) covers 2025-05-09 to 2026-05-08; the statement is dated 2026-07-28.
How do I report a problem certificate to OISTE?
Use the channel(s) listed in the CCADB: cps[at]wisekey[dot]com.
How many root certificates does OISTE have?
4 in the CCADB TLS report. Trusted for TLS: Chrome 4, Mozilla 4, Apple 2, Microsoft 2. They have signed 23 intermediates, 16 of them still valid.