Home / Standards / GB/T 40018-2021 GB/T 40018-2021 Active Information security technology—Certificate request and application protocol based on multiple channels 信息安全技术 基于多信道的证书申请和应用协议 Standard Type GBT ICS 35.040 CCS L80 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 国家标准委 Drafting Unit N/A