Research Article

Differential Cryptanalysis on Block Cipher Skinny with MILP Program

Table 3

The DDT of s-box for Skinny-64/192.

ā€‰0x00x10x20x30x40x50x60x70x80x90xa0xb0xc0xd0xe0xf

0x016000000000000000
0x10000000044440000
0x20404044000000000
0x30000000022222222
0x40040002200042200
0x50040002200402200
0x60202200220200220
0x70202200202022002
0x80000440000002222
0x90000440000002222
0xa0000044022220000
0xb0404000000002222
0xc0040002240000022
0xd0040002204000022
0xe0202200202020220
0xf0202200220202002