Due to an error in Java 17+4 and higher, the certificate OSCP check is no longer working in a reliable way.
Please ignore eventual “certificate revoked” messages you may see at the Participant Information page - most likely they are wrong.
A bug was filed at Oracle. See phase4#124 for technical details and the updates.
This article outlines the details of the Peppol PKI.
It shows how the PKI is structured and where it is used.
See the page on Peppol Certificate update for the specifics on this process.
OpenPeppol PKI v3 - since 2018
The PKI is called "OpenPeppol PKI v3" and the root certificates are valid from 2018 to 2028.
The structure is very similar to the previous V2 one, but the STS CA is not present any more. So this is how it looks like:
The migration process was as follows:
February 2018: the new root certificates are available for download in
16 April 2018: the certificate issuing process will begin and members are urged to request their PKI v3 certificate
31 August 2018: OpenPeppol will no longer issue the old certificate types
3 September 2018: the new certificates can be used in production
For details and further information, please see the
DRAFT - Introduction to the revised PKI Certificate infrastructure and issuing process
PKI Certificate Migration 2018
The following list contains the migration status of the different software components I'm aware of.
Please send additional information to me, so I can add it here.
Peppol Directory done:
Supports both PKIs in parallel - both in test and production.
phoss SMP done:
version 5.0.4 and later do support both PKI v2 and PKI v3 in parallel.
Certificate usage in Peppol
This section tries to give a rough overview where certificates are used for what purpose.
Uses the Peppol SMP certificate to sign responses to
Uses the Peppol SMP certificate as a client certificate when communicating with the SML
(for service group creation and deletion)
Requires the public part of the Peppol AP certificate for usage in the public
endpoints (the information that is queried from the outside).
Optionally uses the Peppol SMP certificate as a client certificate when communicating with the
Peppol Directory (for business card updates and deletions)
Verifies that the response from the SMP server was signed by a valid Peppol SMP certificate
AP Server (receiving documents)
Requires an SSL certificate for https usage.
This SSL certificate is NOT issued by Peppol but must be issued by a trusted third party.
This SSL certificate should not be self-signed!
Verifies that the incoming document was signed with a Peppol AP certificate.
AP Client (sending documents)
Signs the AS4 message with the Peppol AP certificate.
Includes the public part of the certificate into the AS4 message.
- The SMK requires requests to contain an SMP Pilot Certificate to perform writing operations (mTLS)
- The SML requires requests to contain an SMP Production Certificate to perform writing operations (mTLS)
- The test Peppol Directory requires requests to contain an SMP Pilot Certificate to perform writing operations (mTLS)
- The production Peppol Directory requires requests to contain an SMP Production Certificate to perform writing operations (mTLS)
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