CAJ | 학술논문

针对移动硬盘的加密系统分区无法被正确辨识而导致误格式化的问题，应用文件系统过滤驱动技术，结合硬盘主引导程序及分区表机理，对现有的基于虚拟磁盘的移动硬盘加解密方案进行了改进，在加密分区包含可运行操作系统的情况下，增加了盘符自动隐藏及恢复的功能。以开源加密软件Truecrypt为例，利用安装了视窗操作系统的固态移动硬盘进行测试。结果表明，在不影响加密操作系统正常运行的同时，盘符自动隐藏及恢复功能避免了用户的误格式化操作，从而提高了移动硬盘加密系统分区的安全性和隐蔽性。
침대이동경반적가밀계통분구무법피정학변식이도치오격식화적문제，응용문건계통과려구동기술，결합경반주인도정서급분구표궤리，대현유적기우허의자반적이동경반가해밀방안진행료개진，재가밀분구포함가운행조작계통적정황하，증가료반부자동은장급회복적공능。이개원가밀연건Truecrypt위례，이용안장료시창조작계통적고태이동경반진행측시。결과표명，재불영향가밀조작계통정상운행적동시，반부자동은장급회복공능피면료용호적오격식화조작，종이제고료이동경반가밀계통분구적안전성화은폐성。
For the problem of accidentally formatting encrypted system partitions within mobile hard disks, which is caused by misidentification of the running operating system, the authors improved the virtual disk encryption and decryption program for mobile hard disks, using file system filter driver technology and the mechanism of master boot program and partition table. Auto-hide-and-recover feature was added to the program in case that the encrypted partition contained an operating system. Taking Truecrypt for example, and using solid-state mobile hard disks which installed Windows system for test, the result shows that auto-hide-and-recover feature can avoid users from formatting the encrypted partition by mistake while the encrypted system can run properly. The result indicates that the improved program can enhance the security and concealment of encrypted system partitions within mobile hard disks.