Differential Power Analysis for Data Encryption Standard

Along with the society relies on more and more greatly to the computer, people also attach more and more importance to the security problem in the application. The cryptography is continuously safeguarding the safe effectively protective screen of system. Owing to the fact that to break the key using mathematics technology is very difficult, people put forward the side-channel attack method in recent years. The major content of this paper is the research of differential power analysis.