QES Certificates

QES certificates describe qualified-signature material available through a connected device or provider path.

Why certificates matter

Certificate metadata helps customer systems present signing choices, route workflows, and understand which qualified-signature identity is available.

Typical fields

• certificate identifier
• subject name
• issuer
• validity period
• signing capability
• related device

Guidance

Treat certificate state as operational and refresh it when devices reconnect or when signing workflows report certificate-state changes.