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ISO/IEC 18014-4:2015

Information technology — Security techniques — Time-stamping services — Part 4: Traceability of time sources

Apr 15, 2015

General information

90.20     Apr 15, 2026

ISO/IEC

ISO/IEC JTC 1/SC 27

International Standard

35.030  

English  

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Scope

ISO/IEC 18014:2015
- defines the functionality of the time assessment authority (TAA),
- describes an overall architecture for providing the time to the time-stamping authority (TSA) and to guarantee the correctness of it through the use of the TAA, and
- gives technical guidelines for the TAA to provide, and to provide assurance in, a trusted time source to the TSA.

Life cycle

NOW

PUBLISHED
ISO/IEC 18014-4:2015
90.20 Standard under periodical review
Apr 15, 2026

National adoptions

SRPS ISO/IEC 18014-4:2018  
ISS

Information technology — Security techniques — Time-stamping services — Part 4: Traceability of time sources

90.20   Standard under periodical review

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