【摘要】 文章针对学科试题库安全与保密问题,提出了适用于学科试题库的安全保密系统,并证明了该系统的安全性。该系统具有身份识别、访问权限控制、信息加密、解密以及管理功能。更多还原

【Abstract】 This article analyzed problems of security and defense in subject test lib and then put forward a security and defense system of subject test lib,and proved security of this system.In addition to functions such as identification,controlled rights,information encryption and decryption this system.更多还原