Analysis and Improvement of Trusted Path Mechanism in Linux
Linux可信路径安全机制研究及改进*

Based on the analysis of the current trusted path mechanism in Linux, this paper gived an improvement of the mechanism using Secure Attention Key(SAK). The improvement adopted both the method of blocking the access to the terminal and the method of suspending and terminating a few untrusted processes. It is more friendly to the user and easy to be extended, and secures the whole process of login.