Gehrmann, Christian and Douglas, Heradon and Kengo Nilsson, Dennis (2011) Are there good Reasons for Protecting Mobile Phones with Hypervisors? In: IEEE Consumer Communications and Networking Conference, 9-12 Jan 2011, Las Vegas, Nevada, USA.
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Official URL: http://www.ieee-ccnc.org/2011/
Security threats on consumer devices such as mobile phones are increasing as the software platforms become more open and complex. Therefore, hypervisors, which bring potential new secure services to embedded systems, are becoming increasingly important. In this paper, we look into how to design a hypervisor-based security architecture for an advanced mobile phone. Key security components of the architecture have been verified through a hypervisor implemented on an emulated ARM platform. We compare the hypervisor security architecture with TrustZone and summarize the major benefits and limitations of the hypervisor approach. In short, hypervisors exhibit several advantages such as support of multiple secure execution domains and monitoring of non-trusted domains; however, this comes at the cost of larger legacy system porting efforts.
|Item Type:||Conference or Workshop Item (Paper)|
|Uncontrolled Keywords:||Security, Virtualization, Embedded Systems, ARM, Hypervisor, TrustZone, Mobile Communications|
|Deposited By:||Christian Gehrmann|
|Deposited On:||18 Jan 2011 08:04|
|Last Modified:||08 Feb 2012 17:05|
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