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| 基于读写优化的内核级加密文件系统 | |
| 引用本文： | 裴灿浩,谢长生,黄建忠.基于读写优化的内核级加密文件系统[J].计算机工程,2010,36(15):137-139. |
| 作者姓名： | 裴灿浩 谢长生 黄建忠 |
| 作者单位： | 1. 华中科技大学武汉光电国家实验室,武汉,430074 2. 华中科技大学武汉光电国家实验室,武汉,430074;华中科技大学数据存储教育部重点实验室,武汉,430074 3. 华中科技大学数据存储教育部重点实验室,武汉,430074 |
| 基金项目： | 国家"863"计划基金资助项目，国家自然科学基金资助项目 |
| 摘 要： | 为增强数据的机密性，在对存储读写流程优化的基础上提出一种内核级加密文件系统(KCFS)，该内核级加密文件系统能克服加密应用程序的使用不便利性和用户级加密文件系统的低效性，在内核级文件系统层提供加/解密功能，从而保护存储系统中的数据。对比测试结果表明，KCFS比用户级加密文件系统CFS具有更好的读写性能。 |
| 关 键 词： | 存储安全性 内核级加密文件系统 加密策略 |
Kernel-level Cryptographic File System Based on Read/Write Optimization |
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| PEI Can-hao,XIE Chang-sheng,HUANG Jian-zhong.Kernel-level Cryptographic File System Based on Read/Write Optimization[J].Computer Engineering,2010,36(15):137-139. | |
| Authors: | PEI Can-hao XIE Chang-sheng HUANG Jian-zhong |
| Affiliation: | (1. Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074; 2. Key Lab of Data Storage System, Ministry of Education, Huazhong University of Science and Technology, Wuhan 430074) |
| Abstract: | In order to strengthen the confidentiality of data, this paper proposes a kind of Kernel-level Cryptographic File System(KCFS) combining the optimized data read/write flow. The kernel-level cryptographic file system can overcome the inconvenience of encryption application and the low efficiency of user-level encryption file system, so as to provide the encryption/decryption function in the kernel-level file system, protecting the data stored in the storage system. The result of comparative experiment shows that KCFS can reach better read/write performance compared to user-level encryption file, such as CFS. |
| Keywords: | storage security Kernel-level Cryptographic File System(KCFS) encryption policy |
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