Home / Standards / GB/T 17964-2008 GB/T 17964-2008 Abolished Information technology - Security Techniques - Modes of operation for a block cipher 信息安全技术 分组密码算法的工作模式 Standard Type GBT ICS 35.040 CCS L80 Status 废止 Issue Date 2008-06-26 Implementation 2008-11-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委