Provable Security of DES-Like Block Ciphers Against Differential Cryptanalysis with Different Round Functions

Document Type : Original Article

Authors

1 Shahid Beheshti Uni

2 Azad / Karaj Dep. Uni

3 Shiraz Uni

Abstract

Until now, with assumption of equality of round functions of DESlike Block ciphers, several articles presented the Upper bound of the maximum differential probability. In this paper, we will present the upper bound on maximum differential probability for DES-like block ciphers with different round functions.

Keywords