This document specifies a secured electronic postal service, referred to as the Electronic Postal Certification Mark (EPCM) service, which provides a chain of evidence, stroed by an administration as a trusted third party, to prove the existence of an electronic event, for a certain content, at a certain date and time, and invoiving one or more indentified parties.
DIN CEN/TS 15121-2-2011由德国标准化学会 DE-DIN 发布于 2011-03。
DIN CEN/TS 15121-2-2011 在中国标准分类中归属于: M80 邮政综合,在国际标准分类中归属于: 03.240 邮政服务。
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