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	A covert channel using core alternation
	Li, Yangwei ; Shen, Qingni ; Zhang, Cong ; Sun, Pengfei ; Chen, Ying ; Qing, Sihan
	2012
英文摘要	The improvement in performance gained by the use of multi-core processors led to security problem. In this paper, we present a new covert channel which we called the 'core-alternative channel'. This covert channel could exist in most operating systems and virtualization platforms with multi-core processors. We have developed CCCA (Covert Channels using Core-alternation), a prototype that creates a core-alternative channel and communicates data secretly. We discuss how to mitigate and eliminate this channel. We quantitatively evaluate the threat of core-alternative channel both between processes on Linux and between virtual machines on the Xen hyper visor. We also measured the bandwidth and communication accuracy of this covert channel. ? 2012 IEEE.; EI; 0
语种	英语
DOI标识	10.1109/WAINA.2012.103
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/412830]
专题	软件与微电子学院
推荐引用方式 GB/T 7714	Li, Yangwei,Shen, Qingni,Zhang, Cong,et al. A covert channel using core alternation. 2012-01-01.

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