Android屏幕锁解锁在取证上的应用

›› 2013 ›› Issue (6): 79-82.

Android屏幕锁解锁在取证上的应用

钱伟

公安部第三研究所

收稿日期:2013-09-24 修回日期:2013-04-26 出版日期:2013-11-15 发布日期:2013-11-28
通讯作者: 钱伟

Android Screen Lock Crack in Forensics

Received:2013-09-24 Revised:2013-04-26 Published:2013-11-15 Online:2013-11-28

摘要/Abstract

摘要： 移动通信的发展带动了智能终端的普及，随之带来的还有更多的手机犯罪。然而在犯罪手机上取证时往往受到了手机屏幕锁的阻碍。本文研究分析了目前具有最大智能终端市场的Android平台上的屏幕解锁技术；先简单阐述了Android平台的系统架构；然后针对Android智能终端上不同的屏幕锁定方式分别进行研究分析，总结对应加密流程和明文密码规则来简化解锁步骤，提高解密效率；使取证能在更短的时间内完成工作；最后，提出了更多的解锁方式，使取证遇到屏幕锁定时能进行灵活的选择。

关键词:

屏幕锁定, 图案, PIN, 密码

Abstract: With the development of mobile communication is the popularity of smart terminals, as well as mobile crimes. In mobile forensics, screen locks are common obstacles. The present study focuses on the screen unlock techniques on Android platform, which is the most popular smart terminal platform worldwide. After a brief description of the system structure of Android platform, the encrypt procedures and plaintext password rules regarding various screen lock modes on Android smart terminals are summarized, which would simplify crack process and improve the efficiency of forensics. Finally, other approaches to crack screen lock are raised to provide more flexible choices in forensics.

Key words:

screen lock, pattern, PIN, password

钱伟, 陈小兵. Android屏幕锁解锁在取证上的应用[J]. , 2013(6): 79-82.

QIAN Wei, CHEN Xiao-Bing. Android Screen Lock Crack in Forensics[J]. , 2013(6): 79-82.