DS/EN 319 421 V1.1.1:2016

Electronic Signatures and Infrastructures (ESI); Policy and Security Requirements for Trust Service Providers issuing Time-Stamps



The present document specifies policy and security requirements relating to the operation and management practices of
TSPs issuing time-stamps.
These policy requirements are applicable to TSPs issuing time-stamps. Such time-stamps can be used in support of
digital signatures or for any application requiring to prove that a datum existed before a particular time.
The present document can be used by independent bodies as the basis for confirming that a TSP can be trusted for
issuing time-stamps.
The present document does not specify:
• protocols used to access the TSUs;
NOTE 1: A time-stamping protocol is defined in IETF RFC 3161 [i.2] including optional update in
IETF RFC 5816 [i.3] and profiled in ETSI EN 319 422 [5].
• how the requirements identified herein can be assessed by an independent body;
• requirements for information to be made available to such independent bodies;
• requirements on such independent bodies.
NOTE 2: See ETSI EN 319 403 [i.10].

Number of pages: 33

Published: 2016-06-02

Date of approval: 2016-05-26

International relationships :

ICS: 35.240.30 - IT applications in information, documentation and publishing 35.240.99 - IT applications in other fields

Item number: M299624



  • ETSI/TN & TT

Danish committee