Information technology. Security techniques. Time-stamping services - Traceability of time sources Ingestion-build-52208 BS EN 3155-032 assists aerospace

BS EN 3155-032 assists aerospace industries as well as testing agencies in manufacturing and testing aerospace products with respect to their proper dimensions

Smoke and heat control ventilation systems are used in buildings or construction works where the particular (large) dimensions

BS EN 1230-2 specifies whether a paper or board sample contains substances which may be transmitted through the air space to a test substance and affect its taste

This International Standard specifies a procedure for the determination of the water retention value (WRV) of all kinds of pulp

BS EN 17190 is the European standard that discusses the solar reflectance index for flexible sheets for waterproofing

Information technology. Security techniques. Time-stamping services - Traceability of time sources Ingestion-build-52208 BS EN 3155-032 assists aerospace1 Scope This part of ISO IEC 18014 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.