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DAkkS eAttestation signatures

· 2 min read
Jan Wittkamp
CEO @ Memida GmbH

Memida now offers an extended feature for inspection reports that validates PDF, XML, and DCC (digital calibration certificate) files for DAkkS-compliant eAttestation signatures.

An eAttestation is a machine-readable, cryptographically secured electronic confirmation introduced by DAkkS. It combines a digital seal with the digital DAkkS accreditation symbol and allows real-time machine and human verification. This makes it possible to prove the origin and integrity of digital documents—similar to a digital signature from an accredited body. Learn more on the DAkkS website.

New features at a glance

Automatic validation in inspection reports

Memida now automatically checks every inspection report to see whether PDF, XML, or DCC documents contain a valid DAkkS eAttestation signature, ensuring compliance with DAkkS guidelines.

Clear status display

The validation results are displayed clearly:

  • A success message appears when the signature is valid.
  • If validation fails, the affected check step is listed in detail.
info

Status messages only appear for documents that contain a digital accreditation symbol.

StatusSuccess

Transparency for error messages

If validation fails, the affected steps are shown to help you analyze and fix issues quickly.

Memida follows these DAkkS TSPS validation steps:

  • Step 1 (Signature check): Verify the cryptographic integrity of the certificate.
  • Step 2 (Validity period): Ensure the certificate is still within its validity period.
  • Step 3 (Revocation status): Check the certificate via OCSP or CRL.
  • Step 4 (Certification path validation): Confirm that the certification path to the trust anchor (root CA) is valid.
  • Step 5 (Digital official emblem): Validate the structure and details of the digital accreditation symbol in the certificate.
StatusFailed

General improvements

Additional bug fixes and optimizations further improve the stability and performance of Memida.