Key Technology Research On Security Reinforcement Of Mobile Terminal Applications

In recent years, the smart phone industry had get rapid development, especially since Google launched a open-source operating system, named Android. Android based on Linux kernel, entirely designed for mobile terminals. Any person or organization can use the Android operating system freely, this eventually led to explosion of the smart phone market. But behind the booming development, people had generally ignored the security of mobile terminals. The bigger the mobile market size, the more important the security, the more serious the loss caused by the security issues.In the context of the above, this paper aimed at Android operating system, through the analysis of Android security mechanisms, pointed out the security risks, and combining existing software reinforcement technology, proposed a set of security reinforcement technology for mobile application.Main work done by the paper as follows:(1) Analyzed the architecture and security mechanisms of Android system. By analyzing the structure and security mechanisms of Android system, the paper described the security measures that Android system can provide at this stage, and combined with the development and compile process of Android applications, analyzed the threat that these security measures may face.(2) Combined with the characteristics of the Android platform, this paper proposed and realized a new application reinforcement system for Android. Aiming at the characteristics of the Android platform, the paper used the appropriate method to realize application reinforcement scheme.With the encryption technology, obfuscated code technology, JNI technology, dynamic loading technology, Integrity checking technology and database encryption technology, this reinforcement system seeks to protect the interests of application developers and users.