Android平台下文件透明加密技术的研究与设计  

Research and Design of Transparent Encryption Technology based on Android Platform

作　　者：沈成 李永忠[1] SHEN Cheng;LI Yong-zhong(College of Computer, Jiangsu University of Science and Technology, Zhenjiang Jiangsu 212003,China)

机构地区：[1]江苏科技大学计算机学院,江苏镇江212003

出　　处：《通信技术》2017年第12期2846-2851,共6页Communications Technology

摘　　要：针对目前Android平台数据安全问题,借鉴Windows平台下的钩子透明加密技术和文件过滤驱动透明加密技术,设计实现了Android平台下文件过滤驱动的文件透明加密系统。该系统打破了传统Android应用的开发习惯,通过拦截系统调用,采用主机mac地址转换而成的密钥,将加解密算法写入内核,从根本上保证了用户信息的安全。同时,将身份验证放到屏幕锁环节,提高了用户体验。具体地,描述该系统的总体设计方案和各模块的设计方法,编码过程中使用Android应用开发技术和交叉编译原理。系统测试结果表明,该系统可以有效地透明加密文件,实现对手机文件的隐私保护。In view of the current Android platform data security issues,and by referring to Windows hooks transparent encryption technology and file filter-driven transparent encryption technology,the transparent file encryption system based on file-filter driver under Android platform is designed and implemented.This system breaks the development habits of traditional Android application and,by intercepting system calls and using the key of host MAC address conversion,writes the encryption/decryption algorithm into the kernel,thus to ensure the security of user information fundamentally.Meanwhile,the ID authentication is placed on the screen lock,remarkably improving the user’s experience.Specifically,the overall design scheme of the system and the design method of each module,the Android application development technology and cross-compiling principle in the coding process are described in detail.The system test results show that this system can effectively encrypt files transparently and realize the privacy protection of mobile-phone files.

关 键 词：安卓 透明加密 文件过滤驱动 隐私保护 

分 类 号：TP31[自动化与计算机技术—计算机软件与理论]