The Cryptomathic Key Management System [KMS] is built around a three-tier architecture with an application server that provides services for a number of client applications; a database server that is used as repository; and a network interface to the Network Service Provider(s) [NSP] that uses a Hardware Security Module [HSM [2]] to s

The TimeStamp Authority [TSA] provides an independent time from a third-party, such as an atomic clock, that is then used to provide a timestamp token. The timestamp token is proof that the electronic data, payment transaction or electronic document, or Adobe® Acrobat® PDF existed at a particular time. The timestamp provides the verifiable evidence and proof required.