Table 5 Accuracy of the partial output difference neural distinguishers for 6-round SPECK32

Ebrahimi et al. (2021)

None

{12,13,14,28}

8

65.2

None

{12,13,14,15,28,29}

12

66.8

None

{5,12,13,14,15,21,28,29}

16

68.8

This paper

Symmetry difference

{12,13,28,29}

4

66.7

Symmetry difference

{12,13,14,28,29,30}

6

67.3

Symmetry difference

{5,12,13,14,21,28,29,30}

8

67.3

Symmetry difference

{5,12,13,14,15,21,28,29,30,31}

10

68.8