[1]朱天楠[],施勇[],薛质[][]. 基于Xposed的Android透明文件加密系统的研究[J].计算机技术与发展,2017,27(02):64-68.
　ZHU Tian-nan[],SHI Yong[],XUE Zhi[][]. Research on Android Transparent Encryption File System Based on Xposed[J].,2017,27(02):64-68.
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 基于Xposed的Android透明文件加密系统的研究()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
27
期数:
2017年02期
页码:
64-68
栏目:
安全与防范
出版日期:
2017-02-10

文章信息/Info

Title:
 Research on Android Transparent Encryption File System Based on Xposed
文章编号:
1673-629X（2017)02-0064-05
作者:
 朱天楠[1]; 施勇[1]; 薛质[1][2]
 1.上海交通大学信息安全工程学院；2.上海市信息安全综合管理技术研究重点实验室
Author(s):
 ZHU Tian-nan[1] ; SHI Yong[1];  XUE Zhi[1][2]
关键词:
 ; 隐私安全; Xposed框架; 透明加密; Android
Keywords:
 ; privacy security; Xposed; encrypt on-the-fly; Android
分类号:
TP309
文献标志码:
A
摘要:
 随着移动处理器技术水平的高速发展,智能设备的计算能力不断加强,人们对智能手机的依赖性也不断增加.通过安装各类应用,手机可以具有丰富的功能,但使用过程中往往会需要记录用户的隐私数据,保护存储在智能设备上的用户隐私数据不被恶意应用随意获取的需求日益加大.结合当前流行的透明文件加密技术与Android自身的一些特点,提出了一种基于Xposed框架的透明文件加解密方案.其以SharedUserId和开发者签名信息为标识自动生成密钥,将各个APP的数据以不同的密钥加密处理,这样即使在恶意APP获取到了Root权限,仍能保护各APP的隐私数据不被非法获取,从而提升了Android设备的安全性.该过程自动完成,无需应用开发者和用户参与,无需改变开发与使用习惯.
Abstract:
 With the constant progress of SOC technology,mobile devices are more and more powerful,and the people reties increasingly on them.Richer applications enhance the capability of mobile devices,but malicious APP which aim to steal users’ private information are also spring up.To protect users’ privacy,an encrypted on-the-fly solution based on Xposed is proposed which is combination of a popular Hook framework on Android.This solution uses SharedUserId and developer’s signature as identity to calculate the secret key for encryption,so that every different APP has a different key.Hence even the malicious app runs as root user,it still cannot obtain other APP private data which improves the security of Android devices.The process is done automatically,without application developers and users to participate in,don’t need to change the habit of development and use.

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更新日期/Last Update: 2017-05-11