"无线局域网产品使用的 SMS4 密码算法"(PDF) (in Simplified Chinese). State Cryptography Administration of the People's Republic of China. Archived from the original(PDF) on 2007-07-10.
"无线局域网产品使用的 SMS4 密码算法"(PDF) (in Simplified Chinese). State Cryptography Administration of the People's Republic of China. Archived from the original(PDF) on 2007-07-10.