Processes, data elements and documents in commerce, industry and administration — Long term signatur...
This document specifies the elements defined in the international standards of ISO/ITU-T, ETSI and IETF RFC that enable at least a proof of existence of data objects and digital signatures and the preservation of the validity status of digital signatures over a long period of time used in validation.
It provides the definitions of the proof of existence (PoE) attributes and clarification of the…