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QSCD (Qualified Signature Creation Device)

A hardware or remote HSM-based device that stores the signer's private key such that it cannot be extracted, ensuring sole control under eIDAS Article 26(c). USB hardware tokens and remote HSMs operated by Trust Service Providers are common implementations.

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Related terms

Aadhaar e-SignESIGN Act (Electronic Signatures in Global and National Commerce Act)EU Trusted List (EUTL)Long-Term Validation (LTV)OCSP (Online Certificate Status Protocol)Public Key Infrastructure (PKI)Qualified Electronic Signature (QES)TSA timestamp (Timestamp Authority)X.509 certificate

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