DIN EN 319412-5-2018 电子签名和基础设施(ESI). 证书配置文件. 第5部分: QC声明(英文版本EN 319412-5 V2.2.1 (2017-11)的核准本作为德国标准)
Electronic Signatures and Infrastructures (ESI) - Certificate Profiles - Part 5: QCStatements (Endorsement of the English version EN 319 412-5 V2.2.1 (2017-11) as a German standard)
This European Standard (EN) has been developed by the European Standardization Organization ETSI (European Telecommunication Standardization Institute) and specifies requirements in the telecommunications sector.