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.
This article describes why RFC3161 compliant Time Stamp Authority (TSA) servers are needed and what to look for when choosing a Timestamp Authority (TSA) server. ETSI TS 101 861 and TS 102 023 also places important requirements for TSA services providers and these are also considered in this hot topic.