Description: An X.509 certificate is a digital certificate binds a public cryptographic key to an identity for authentication, digital signature, encryption, and secure communications. Source: ITU-T Recommendation X.509 Last modification: 2026-06-09 Identifier: http://data.europa.eu/dr8/egovera/X509Certificate EIRA traceability: TLS/SSL systems, PKI infrastructures, EUDI Wallet trust frameworks, smart cards, digital identity systems EIRA concept: eira:SolutionBuildingBlock Additional identifier: http://data.europa.eu/dr8/egovera/X509Certificate Title: X.509 Certificate Example: Digital identity certificate for authentication and encryption EIF Layer: TechnicalApplication