Home / Standards / GB/T 32907-2016 GB/T 32907-2016 Active Information security technology—SM4 block cipher algorthm 信息安全技术 SM4分组密码算法 Standard Type GBT ICS 35.040 CCS L80 Status 现行 Issue Date 2016-08-29 Implementation 2017-03-01 Responsible Dept 国家标准委 Drafting Unit N/A