Constructing The On/Off Covert Channel On Xen

被引：2
|
作者：
Xia Yetian [1 ]
Zi Xiaochao [1 ]
Yao Lihong [1 ]
Pan Li [1 ]
Li Jianhua [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Informat Secur, Shanghai 200030, Peoples R China
来源：
PROCEEDINGS OF THE 2012 EIGHTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL INTELLIGENCE AND SECURITY (CIS 2012) | 2012年
关键词：
Xen; Cloud Computing; Covert Channel; Information Hiding;
D O I：
10.1109/CIS.2012.133
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Virtualization technology is the basis of cloud computing. Multiple virtual machines on a single physical host are isolated from each other. However, covert channel breaks the isolation and leaks sensitive information covertly. In this paper, we construct one type of classic covert timing channel, the on/off channel, on the Xen hypervisor using shared memory. And then we evaluate its bit rate and transmission accuracy. The results show that this type of covert channel is a threat to virtualization technology.
引用
收藏
页码：568 / 572
页数：5
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