Research Article

A Key Selected S-Box Mechanism and Its Investigation in Modern Block Cipher Design

Table 4

The difference distribution tables of , , , and S-boxes.

Input differenceOutput difference

Difference distribution table of
16000000000000000
0000002202420220
0000020204042020
0242200200002200
0000024200002024
0000022042022200
0000400004040004
0242220000000220
0004002202020220
0202020220202020
0040220020200220
0000420200002024
0400022002022200
0202004020200004
0040200220202200
0404000040400000

Difference distribution table of
16000000000000000
0402240020000002
0240000220000420
0024020022020200
0024402000200020
0000022400042002
0002222020002040
0200022202220200
0020022202220020
0222200000420002
0000000442202002
0020002022022202
0200402002002202
0420000220000240
0002200002222220
0000022002204004

Difference distribution table of
16000000000000000
0222200000204020
0222002020220002
0222202220000200
0400000022042200
0220020202200202
0002002422200020
0000022002422200
0020000200022242
0040022022002020
0200402002000024
0002020020400420
0004022400002002
0022220002020202
0000420222002002
0200222020040020

Difference distribution table of
16000000000000000
0222200024002000
0004022400000220
0020200400022022
0202000000222402
0222020020002022
0020200020222220
0202202020022002
0200424002000200
0000042222000004
0222000220220020
0220004020200022
0000002204402200
0002240020220020
0200200002222022
0040020202020400