结合非直接传输和随机码本的无载体试题伪装

陆海, 邵利平

Coverless Test Paper Disguise Combined with Non-direct Transmission and Random Codebook

LU Hai, SHAO Li-ping

应用科学学报 . 2018, (2): 331 -346 . DOI: 10.3969/j.issn.0255-8297.2018.02.012