IET Information Security / 2024 / Article / Tab 9 / Research Article
MILP/MIQCP-Based Fully Automatic Method of Searching for Differential-Linear Distinguishers for SIMON-Like Ciphers Table 9 Twenty-round DL distinguisher for SIMON64 with theoretical correlation
and experimental correlation
, where the theoretical probability of the differential part, the theoretical correlation of the DL part, and the theoretical correlation of the linear part are
, and
, respectively.
Differential part (optimal differential trail) 0 0000000000100000000000000000000000000000100010001000000000000000 7 0000000000001000100000000000000000000000000000100000000000000000 DL part −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 1.0 −1.0 −1.0 −1.0 1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 8 −1.0 −1.0 −1.0 −1.0 −0.0 −1.0 −1.0 −1.0 −0.0 −1.0 1.0 −0.0 −1.0 −1.0 −1.0 −0.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 1.0 −1.0 −1.0 −1.0 1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 9 −0.5 −1.0 −0.0 −0.25 −1.0 −1.0 −0.0 −0.25 1.0 −0.0 −0.5 −1.0 1.0 −0.0 −0.5 −1.0 1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −0.5 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −0.0 −1.0 −1.0 −1.0 −0.0 −1.0 1.0 −0.0 −1.0 −1.0 −1.0 −0.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 10 −0.0 −0.0625 −0.4688 −1.0 −0.0 −0.0625 0.4688 −0.0 −0.0 −0.75 −1.0 −0.0 −0.25 −0.75 1.0 −0.0 −1.0 −1.0 −1.0 −1.0 −0.75 −1.0 −1.0 −1.0 −0.75 −1.0 −0.25 −0.4688 −1.0 −1.0 −0.25 −0.4688 −0.5 −1.0 −0.0 −0.25 −1.0 −1.0 −0.0 −0.25 1.0 −0.0 −0.5 −1.0 1.0 −0.0 −0.5 −1.0 1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −1.0 −0.5 −1.0 −1.0 −1.0 11 −0.0623 −0.6426 −0.0 −0.0039 0.1556 −0.0 −0.0 −0.0469 0.875 −0.0 −0.0625 −0.4688 −0.7656 −0.0 −0.25 −1.0 0.875 −1.0 −0.4688 −0.6426 −1.0 −1.0 −0.4688 −0.6426 −0.125 −0.1556 −0.5393 −1.0 −0.0625 −0.1556 −0.0 −0.0156 −0.0 −0.0625 −0.4688 −1.0 −0.0 −0.0625 0.4688 −0.0 −0.0 −0.75 −1.0 −0.0 −0.25 −0.75 1.0 −0.0 −1.0 −1.0 −1.0 −1.0 −0.75 −1.0 −1.0 −1.0 −0.75 −1.0 −0.25 −0.4688 −1.0 −1.0 −0.25 −0.4688 12 −0.0 −0.00006 0.0195 −0.0 −0.0 −0.0007 −0.1342 −0.0 −0.0 −0.1868 −0.4129 −0.0 −0.0313 −0.4688 −0.6426 −0.0 −0.2637 −0.2727 −0.6321 −1.0 −0.1868 −0.2727 −0.0513 −0.0445 −0.1241 −0.6321 −0.0078 −0.0195 −0.0 −0.0039 −0.0040 −0.0837 −0.0623 −0.6426 −0.0 −0.0039 0.1556 −0.0 −0.0 −0.0469 0.875 −0.0 −0.0625 −0.4688 −0.7656 −0.0 −0.25 −1.0 0.875 −1.0 −0.4688 −0.6426 −1.0 −1.0 −0.4688 −0.6426 −0.125 −0.1556 −0.5393 −1.0 −0.0625 −0.1556 −0.0 −0.0156 13 0.0003 −0.0 −0.0 0.0054 −0.0 −0.0 −0.0022 0.1355 −0.0 −0.0008 −0.1133 −0.2144 −0.0 −0.0173 −0.09 0.1978 −0.6659 −0.0441 −0.0530 −0.0163 −0.0117 −0.0153 −0.1237 −0.0004 −0.0008 −0.0 −0.0010 −0.00006 −0.0033 −0.0 −0.0 −0.00006 0.0195 −0.0 −0.0 −0.0007 −0.1342 −0.0 −0.0 −0.1868 −0.4129 −0.0 −0.0313 −0.4688 −0.6426 −0.0 −0.2637 −0.2727 −0.6321 −1.0 −0.1868 −0.2727 −0.0513 −0.0445 −0.1241 −0.6321 −0.0078 −0.0195 −0.0 −0.0039 −0.0040 −0.0837 14 −0.0 −0.00002 −0.0 −0.0 0.0046 −0.0 −0.0 −0.0088 −0.0257 −0.0 −0.00014 −0.0109 0.0352 −0.0 −0.0048 −0.0038 −0.0027 −0.0030 −0.0007 −0.0086 −0.0 −0.0002 −0.00001 −0.0 −0.0 0.0003 −0.0 −0.0 0.0054 −0.0 −0.0 −0.0022 0.1355 −0.0 −0.00080 −0.1133 −0.2144 −0.0 −0.0173 −0.0900 0.1978 −0.6659 −0.0441 −0.0530 −0.0163 −0.0117 −0.0153 −0.1237 −0.0004 −0.0008 −0.0 −0.0010 −0.00006 −0.0033 −0.0 Linear part 0000000000000000000000000000000000000000000000000100000000000000 15 0000000000000000010000000000000000000000000000000001000000000000 16 0000000000000000000100000000000000000000000000000100010000000000 17 0000000000000000010001000000000000000000000000000000000100000000 18 0000000000000000000000010000000000000000000000000100010001000000 19 0000000000000000010001000100000000000000000000000001000000010000 20 0000000000000000000100000001000000000000000000000100000001000100
Note : The experimental correlation of the first 14 (
) rounds is
under
sample sizes and 100 random keys, the experimental correlation of the 6 rounds at the bottom is
under
sample sizes and 100 random keys. According to piling-up lemma, the experimental correlation is
.