A Trust Service Provider (TSP) is an entity that provides any number of trust services involved with the creation, validation and preservation of e-signatures, e-seals or digital certificates.

Previously we answered the most common questions about the OCSP. Another element involved in the creation and verification of signatures is timestamping. This blog covers how timestamping works, what a Timestamp Authority is, and why timestamping is beneficial to the longevity and legality of digital signatures.

OCSP stands for Online Certificate Status Protocol and is used by Certificate Authorities to check the revocation status of an X.509 digital certificate.