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The Trade-Off Between Performance and Security of virtualized trusted execution environment on Android

Computer Systems Science & Engineering 2023年第9期46卷 3059-3073页

作者： Thien-Phuc Doan Ngoc-Tu Chau Jungsoo Park Souhwan Jung Soongsil University Seoul06978Korea

Nowadays,with the significant growth of the mobile market,security issues on the Android Operation System have also become an urgent *** execution environment(TEE)technologies are considered an option for satisfying the inviolable property by taking advantage of hardware ***,for Android,TEE technologies still contain restrictions and *** first issue is that non-original equipment manufacturer developers have limited access to the functionality of hardware-based *** issue of hardware-based TEE is the cross-platform *** every mobile device supports different TEE vendors,it becomes an obstacle for developers to migrate their trusted applications to other Android devices.A software-based TEE solution is a potential approach that allows developers to customize,package and deliver the product *** by that idea,this paper introduces a VTEE model,a software-based TEE solution,on Android *** research contributes to the analysis of the feasibility of using a virtualized TEE on Android devices by considering two metrics:computing performance and *** experiment shows that the VTEE model can host other software-based TEE services and deliver various cryptography TEE functions on theAndroid *** security evaluation shows that adding the VTEE model to the existing Android does not addmore security issues to the traditional ***,this paper shows applicable solutions to adjust the balance between computing performance and security.

关键词： Mobile security trusted execution model virtualized trusted execution environment hypervisor

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