Transparent encryption based on network file system filtering driver

This paper introduces the technology of transparent file encryption based on network file system filtering driver and how it works. The method can be used for confidential data of network File System transparent encryption and decryption, and ensure the information security of Network File System. File protected system software based on file system filter driver is security, efficacious, easycost, extensible, maintenance-free and device-independent. A method is given based on the operating system:windows 2000/xp.