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IT Center Blog

Schlagwort: ‘Nutzerzertifikate’

New Certification Authority: From Sectigo to Harica

April 4th, 2025 | by
Clipboard with paper on which several boxes are ticked off

Source: Own illustration

The time has come! Since April 1, 2025, user certificates (S/MIME) can again be requested in the RA-Portal. After our previous certificate provider, Sectigo, terminated its contract on January 10, 2025, we now have a new provider. The German Research Network (DFN) and GÉANT have contracted a new provider for public-key certificates. The choice fell on the Greek trusted provider HARICA (Hellenic Academic & Research Institutions Certification Authority). HARICA is a certification authority of the Greek university network GUnet, is specially optimized for research institutions and meets the highest security standards.

 

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Requesting User Certificates via the RA Portal – Info for End Users

August 18th, 2023 | by
Drawing signed sheet and shield with lock

Source: Freepik

As of August 15, 2023, you can request user certificates from GÉANT/TCS in the RA portal. The DFN-PKI Global used so far will cease operation on August 30, 2023.

User certificates function like a digital ID card. They are personal, which means that you can uniquely identify yourself as a user. You can use them to sign documents or e-mails and thus prove that you personally digitally signed a document or sent an e-mail.

You need a user certificate for your e-mail address? You already have a user certificate from DFN-PKI Global? How do you proceed now? In this blog post we would like to provide clarity and answer these and other questions on the subject.

 

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Requesting User Certificates (S/MIME) via the RA Portal – Info for IT Admins

August 16th, 2023 | by
Drawing of a certificate on a tablet and office supplies

Source: Freepik

Yesterday, August 15, 2023, the RA portal (ra-portal.itc.rwth-aachen.de) was additionally enabled for the issuance of user certificates in the GÉANT/TCS (PKI). From August 30, 2023, it will no longer be possible to apply for new user certificates via DFN-PKI Global, as it will cease operation. Until August 29, 2023, there will thus be parallel operation with the well-known “DFN-PKI Global” service. All certificates issued until then will nevertheless retain their validity status for a maximum of 3 years after certificate issuance. In this blog post you can find out what tasks will now arise for IT administrators. Read the rest of this entry »

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