Differential Probability of Modular Addition with a Constant Operand.
Alexis Warner Machado · IACR Cryptology ePrint Archive · 2001
In this article I analyze the function f(X) = A + X (mod 2 ) exclusive-or differential probability. 1 The result, regarding differential cryptanalysis, is a better understanding of ciphers that use f(X) as a primitive operation. A simple O(α ) algorithm to compute the probability is given.