A Note on Comparing the AES Candidates

The comparison of the AES candidates should take into consideration the security and the e ciency of the ciphers. However, due to di erent design methodology, the ciphers were developed in di erent emphasis of the importance of security and e ciency. In this paper we propose measures to compare the AES candidates under the same security assumptions. These measures reduce the e ect of the di erent design methodologies.