The Research on File Encryption Method Based on File Content Partitioning Restructuring

With the development of information technology and the application of information technology jumped into popularity, the electronic document was used as a form of information transmission and data storage, more and more electronic documents are facing the risk of being illegally acquired and viewed. In order to solve this problem, this paper proposes a novel file content protection method, which based on the file content partitioning restructuring. This method strengthens the file content protection and improves the documents security. But it also greatly increases the speed of encryption and decryption process.