Seek Digital Library
With the widespread use of computers and Internet as well as electronic commerce, computer security becomes more and more important. In this paper, the authors introduce AES with key dependent S-box, rotor dependent sub-keys and frequency analysis resistance. The AES-KSF algorithm is compared with AES and gives excellent results from the viewpoint of the security characteristics and the statistics of the cipher-text. Also, they apply the randomness test to the AES-KSF algorithm and the results shown that the new design passes all tests which proven its security.