Home / Standards / GB/T 21053-2007 GB/T 21053-2007 Abolished Information security techniques - Public key infrastructure - Technology requirement for security classification protection of PKI system 信息安全技术 公钥基础设施 PKI系统安全等级保护技术要求 Standard Type GBT ICS 35.040 CCS L80 Status 废止 Issue Date 2007-08-23 Implementation 2008-01-01 Responsible Dept 国家标准委 Drafting Unit N/A