标准摘要
[中文适用范围]： 时间评估权威（TAA）定义了时间评估功能，并提供整体架构以保证向时间戳权威（TSA）提供的正确时间。 [外文原描述]： 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.
英文名称Information technology - Security techniques - Time-stamping services - Part 4: Traceability of time sources