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Attesting the Trustworthiness of a Credential Issuer

Authors:
Rainer Falk
Steffen Fries

Keywords: cybersecurity; attestation; credential; digital certificate; device authentication, industrial security.

Abstract:
In some industrial environments, authentication credentials as device certificates may be issued locally. However, a locally issued credential may not be as trustworthy as credentials issued by a highly protected centralized security infrastructure. An attestation of the credential issuer can confirm evidence of its trustworthiness. Including such an attestation of the credential issuer within an issued authentication credential allows a relying party to check this information as part of credential validation. This paper proposes to embed such a cryptographically verifiable integrity attestation of a certificate issuer into issued authentication certificates.

Pages: 8 to 12

Copyright: Copyright (c) IARIA, 2025

Publication date: September 28, 2025

Published in: conference

ISSN: 2519-8599

ISBN: 978-1-68558-295-1

Location: Lisbon, Portugal

Dates: from September 28, 2025 to October 2, 2025