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ExtSFR: scalable file recovery framework based on an Ext file system

机译：extRSFR：基于EXT文件系统的可伸缩文件恢复框架

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摘要

As the technologies based on the Internet of Things, the Cloud, Big Data, and mobile technology have recently become the engine of the next-generation fusion environment, the use of consumer electronics with Linux/Unix-based operating systems which include mobile and embedded operating systems has been gradually increasing. As these technologies are applied in the real world, digital forensics and post-processing techniques in the next-generation environment are required for security/privacy perspective. In this paper, an Ext2/3/4 file system's file recovery framework which is suitable for the next-generation environment is proposed. Also, Ext4 used from small to large size file systems in recent consumer electronics such as home appliances, mobile devices, home-office devices, entertainment devices, etc. The proposed framework takes the various Ext4 file systems created in the loT/Cloud/Big Data/mobile environment into account, and it is configured to accommodate not only Ext4 used mainly in the recent environment but also Ext2/3 legacy environment. Additionally, the proposed framework is implemented as a prototype and validated it by comparing it with the existing commercial technologies, showing that the accuracy and efficiency of the prototype of the proposed framework for large file system recovery rates are superior to those of the existing technologies.
机译：作为基于事物互联网的技术，云，大数据和移动技术最近成为下一代融合环境的发动机，利用包括Linux / UNIX的操作系统的消费电子产品，包括移动和嵌入式操作系统一直在逐步增加。由于这些技术应用于现实世界，因此安全/隐私视角需要下一代环境中的数字取证和后处理技术。在本文中，提出了适用于下一代环境的ext2 / 3/4文件系统的文件恢复框架。此外，在最近的消费电子产品（如家电，移动设备，家庭办公设备，娱乐设备等）中，ext4从小到大型文件系统。所提出的框架需要在批次/云/大中创建的各种Ext4文件系统数据/移动环境考虑，并且它被配置为容纳主要用于最近环境中的EXT4，而且还适用于ext2 / 3遗留环境。此外，所提出的框架被实现为原型并通过将其与现有的商业技术进行比较来验证，表明大型文件系统恢复率的提出框架的原型的准确性和效率优于现有技术的精度和效率。

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