NDLI: Formal Certification of Non-interferent Android Bytecode (DEX Bytecode)

Content Provider	IEEE Xplore Digital Library
Author	Gunadi, H.
Copyright Year	2015
Description	Author affiliation: Res. Sch. of Inf. Syst. & Eng., Australian Nat. Univ., Canberra, ACT, Australia (Gunadi, H.)
Abstract	The Android operating system is now used in the majority of mobile devices. Each application in Android runs in an instance of the Dalvik virtual machine, which is a register-based virtual machine (VM). Most applications for Android are developed using Java, compiled to Java bytecode and then translated to DEX bytecode using the dx tool in the Android Software Development Kit. In this work, I aim to develop a type-based method for certifying non-interference properties of DEX bytecode, following a methodology that has been developed for Java bytecode certification by Barthe et al. To this end, I develop a formal operational semantics of the Dalvik VM, a type system for DEX bytecode, and prove the soundness of the type system with respect to a notion of non-interference. I then study the translation process from Java bytecode to DEX bytecode, as implemented in the dx tool in the Android SDK. I show that an abstracted version of the translation from Java bytecode to DEX bytecode preserves the non-interference property. More precisely, I show that if the Java bytecode is typable in Barthe et al's type system (which guarantees non-interference) then its translation is typable in our type system. This result opens up the possibility to leverage existing bytecode verifiers for Java to certify non-interference properties of Android bytecode.
Starting Page	202
Ending Page	205
File Size	141466
Page Count	4
File Format	PDF
ISBN	9781467385817
DOI	10.1109/ICECCS.2015.36
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-12-09
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Java Androids Humanoid robots Security Smart phones Operating systems Virtual machining Type System Android Static Analysis
Content Type	Text
Resource Type	Article

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