International Journal of Computer Applications
The existing system consisted of files with literally no file security. The main issue of Reading or tapping data is secrecy and confidentiality. Confidentiality has always played an important role in diplomatic and military matters. The main aim of presenting this paper is to encrypt a java file using Rijndael Algorithm. The first aspect that has to be considered in the authors' paper is file security and the need for file security. Key management is also related to Confidentiality. This deals with generating, distributing and storing keys .File security must be implemented so as to eliminate the problems like unauthorized access, execution of commands illicitly, destructive behavior and confidentiality reaches.