OpenTrust TSA : A Reliable Time Source for Unchallengeable Electronic Transactions

From a technical standpoint, the TimeStamping Authority incorporates numerous characteristics, many of which are common to all OpenTrust platform components. These include:
  • Operating environment based on standard technologies
  • Integrated administration interface in web mode (http/s) with support for strong authentication (X.509 v3 certificates)
  • TSA server redundancy via use of load balancer (not supplied)
  • HSM support on Bull/Evidian & nCipher PCI cards for private key protection
  • NTP standard support as time source
  • Integrated time synchronization device
  • Traceability and integrated audit functionality


In today's world, both businesses and individuals are seeking ways to increase productivity and reactivity. Consequently, electronic documents and transactions are now commonplace and it is necessary to ensure traceability, authenticity and auditability of all computerized events and transactions. OpenTrust TSA is a technically advanced TimeStamping authority, a fundamental part of all electronic transaction and proof management infrastructures.

As with all OpenTrust products, OpenTrust TSA is standards-compliant and is designed to be simple to install, configure and integrated into corporated information systems.