supported by the National Natural Science Foundation of China(Grant No.61379138).
For block ciphers,Bogdanov et al.found that there are some linear approximations satisfying that their biases are deterministically invariant under key difference.This property is called key difference invariant bias....
the National Natural Science Foundation of China(Grant No.61379138).
For block ciphers,Bogdanov et al.found that there are some linear approximations satisfying that their biases are deterministically invariant under key difference.This property is called key difference invariant bias....