The Study And Implement Of A Encryption/Decryption System Based On The Windows File System Filter Manager

This thesis presents a brief introduction of the study about information security home and abroad, analyses the advantage and disadvantage of various kinds of technology in this field, and advances a solution—The Study and Implement of a Encryption/Decryption System Based on the Windows File System Filter ManagerThis thesis introduces some basic theories which are necessary in The Study and Implement of a Encryption/Decryption System Based on the Windows File System Filter Manager, including windows Executive Components, the mechanism of kernel and Cache,Virtual Memory Manager and discusses the working principle of filter driver, etc. Based on these theories, the thesis analyses the key technology which needs to be mastered in project research and some techniques are presented, such as: sets the encryption marks into the file, the management and control of the Cache, the communication between user mode and kernel mode and the identification of remote access, etc.Based on th above theories and techniques, this thesis expounds the idea and implement of The Study and Implement of a Encryption/Decryption System Based on the Windows File System Filter Manager using the latest Microsoft filter mode as mini file system filter, and specializes some specific problems and solutions.Success in this research will bring great economic and social benefits for information industry.