Sumin Hwang, Hyung-Woo Lee, Journal of Internet Computing and Services, Vol. 20, No. 2, pp. 61-68, Apr. 2019
10.7472/jksii.2019.20.2.61, Full Text:
Keywords: Blockchain, Hyperledger Fabric, Android Mobile App, Malicious Counterfeit App Detection.

Abstract

Although the number of smartphone users is continuously increasing due to the advantage of being able to easily use most of the Internet services, the number of counterfeit applications is rapidly increasing and personal information stored in the smartphone is leaked to the outside. Because Android app was developed with Java language, it is relatively easy to create counterfeit apps if attacker performs the de-compilation process to reverse app by abusing the repackaging vulnerability. Although an obfuscation technique can be applied to prevent this, but most mobile apps are not adopted. Therefore, it is fundamentally impossible to block repackaging attacks on Android mobile apps. In addition, personal information stored in the smartphone is leaked outside because it does not provide a forgery self-verification procedure on installing an app in smartphone. In order to solve this problem, blockchain is used to implement a process of certificated application registration and a fake app identification and detection mechanism is proposed on Hyperledger Fabric framework.

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