摘要
本文研究字段一级的数据库加密的密钥问题,我们给出四种字段密钥产生方法,并说明它们都优于Denning的方法。
In this paper we study the problem of database encryption keys at the field level. We give four methods for generating field keys and show that they are all superior to Denning's methods.
出处
《计算机学报》
EI
CSCD
北大核心
1989年第2期106-111,共6页
Chinese Journal of Computers
