JSA - JIS X 5094
Technical requirements for TAA to certify UTC-traceability
| Organization: | JSA |
| Publication Date: | 20 March 2019 |
| Status: | active |
| Page Count: | 25 |
| ICS Code (IT applications in transport): | 35.240.60 |
| ICS Code (IT Security): | 35.030 |
scope:
This Standard
- 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.
NOTE The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.
ISO/IEC 18014-4 : 2015 Information technology - Security techniques - Time-stamping services - Part 4 : Traceability of time sources (MOD)
In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standards and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/IEC Guide 21-1.
Document History
