Public Key Infrastructure (PKI)
The system of hardware, software, policies, and standards that manage digital certificates and public-key encryption. Provides the trust architecture underpinning all cryptographic electronic signatures: key pairs, Certificate Authorities, X.509 certificates, and revocation mechanisms.
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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)QSCD (Qualified Signature Creation Device)Qualified Electronic Signature (QES)TSA timestamp (Timestamp Authority)X.509 certificate