Sign with a qualified digital signature using a national eID

sproof eID Hub

Philipp Gernerth

Last modified: September 8, 2026
sproof eID Hub

At a glance

sproof sign allows you to use the eID Hubto use your national eID (Qualified Trust Service Provider), such as ID-Austria, directly in sproof sign. This module explains how to obtain such an eID if you do not already have one.

Step-by-Step Instructions

The process for obtaining an eID takes place outside of sproof sign and varies by country and provider.

The following table shows you which providers are available in your country.

COUNTRYPROVIDEROFFICIAL LINK
AustriaID-Austriaprimesign MOBILEid-austria.gv.at/de/registrieren
primesign.cryptas.com/de/sofort-signieren
BelgiumBelgium ID Cardbrussels.be/id-card
BulgariaEvrotrustevotrust.com/personal/
CroatiaCroatian ID Cardeoi.hr
Czech RepublicCzech ID Cardchcidatovku.gov.cz/uvod
EstoniaEstonia ID Card, Mobile ID, Smart IDid.ee/en/id-card/
id.ee/en/mobile-id/
id.ee/en/article/smart-id/
FinlandFinnish ID Carddvv.fi/en/citizen-certificate-on-id-card
FranceCertEurope USBcerteurope.fr/certificat-qes-signature/
GermanyD Trust (SignMe) German ID card Yes QES signaturesign-me.de/
ausweisapp.bund.de/home
ℹ️ You cannot register for “yes” directly. It works automatically if you:
1. Have an online banking account with a participating bank (e.g., Sparkassen, Volksbanken, Raiffeisenbanken).
2. Select the “Identification via Bank / yes” option with a partner (e.g., a contractual partner).
3. You then simply log in using your regular banking credentials.
ItalySPID QES signatureInfoCertspid.gov.it/en/
infocert.it/
LatviaeSignature eIDLatvian eSignature Mobileeparaksts.lv/en/Produkti/Privatpersonam/eid/eid_apraksts
eparaksts.lv/en/Produkti/Privatpersonam/mid/apraksts
LithuaniaMobile IDZealIDmobile-id.lt/en/
my.zealid.com/en
NorwayBuypassbuypass.com/products/buypass-id-mobile
PolandSimplySignsklep.certum.pl/simplysign.html
PortugalAutenticação ID Cardautenticacao.gov.pt/
RomaniacertMEcertSIGN USBcertme.ro/personal
SpainUanatacaweb.uanataca.com/es/servicios/certificados-digitales
UkraineDIIAdiia.gov.ua/

Example 1: ID-Austria (Austria)

ID Austria is Austria’s national electronic identity system and the successor to the “Handy-Signatur.” The entire process of registration, personal identification, and activation of the “ID Austria” app is managed by the Austrian authorities.

You can find detailed instructions and start the registration process on the official website: id-austria.gv.at/de/registrieren

Example 2: German ID Card (Germany)

  1. Check the requirements: You will need:
    1. An ID card with an activated online identification function (eID). For ID cards issued on or after July 2017, this function is usually activated by default.
    2. Your personal 6-digit PIN. (Note: The 5-digit “transport PIN” from your PIN letter must first be changed to this 6-digit PIN using the AusweisApp.)
    3. An NFC-enabled smartphone.
  2. Install the software: Download the “AusweisApp Bund” app to your smartphone. You can find the official source and instructions on the official website: ausweisapp.bund.de/home
  3. Identifizierung durch einen Vertrauensdiensteanbieter (QES-Provider): Die AusweisApp dient rein der sicheren Identifizierung. Die rechtsgültige Signatur wird im Hintergrund von einem zertifizierten Provider (z. B. PrimeSign oder D-Trust) ausgestellt:
    • Directly during the signing process (e.g., PrimeSign): You do not need to create a separate user account. Identification and certificate generation take place automatically in just a few seconds while you scan your ID and enter your PIN.
    • Through an existing account (e.g., D-Trust/sign-me): With some providers, you first create a one-time account that is linked to your eID.

Final step in sproof sign

Once your account with the external provider (e.g., ID-Austria) is fully activated, you can return to sproof sign. If you now need to sign a document with a qualified signature, simply select your provider from the list in the eID Hub and follow the instructions for approval.

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