Unveiling the Neutral Difference and Its Automated Search

Table 10

The neutral differences for 4-round differential, as shown in Table 9.

No.	Neutral diff.
1		1.00
2		1.00
3		0.99
4		1.00
5		0.89
6		0.99
7		0.99
8		0.99
9		0.99
10		0.99
11		0.99
12		0.98
13		0.98
14		0.97
15		0.96
16		0.94
17		0.94
18		0.94
19		0.95
20		0.93
21		0.92
22		0.92
23		0.90
24		0.81
25		0.91
26		0.80
27		0.90
28		0.86
29		0.86
30		0.83
31		0.82
32		0.84
33		0.81
34		0.77
35		0.78
36		0.74
37		0.73
38		0.73
39		0.74
40		0.68
41		0.66
42		0.60
43		0.57
44		0.65
45		0.55
46		0.51
47		0.48
48		0.39
49		0.46
50		0.44
51		0.41
52		0.47
53		0.43
54		0.43
55		0.45
56		0.50
57		0.48
58		0.44
59		0.42
60		0.41
61		0.40
62		0.40

The 2nd to 35th neutral differences were proposed in [6]. The empirical results of the neutral probabilities are obtained from right pairs.