为评估Windows Server 2003 中加密文件系统(EFS)可能出现的安全漏洞,本文说明了EFS的组成和工作原理,分析了加密文件的安全性。事实证明EFS 能保证数据的机密性。 关键词:机密性,EFS,安全 中图分类号:TP393 Abstract: For evaluating the security loopholes which occur probably using Encrypting File System(EFS) in Windows Server 2003, the components and principle of the EFS were explained, the security of cryptographic file was analyzed.It has been shown that EFS can guarantee the confidentiality of information. Key words: confidentiality,EFS,security