Power Analysis Attack Based on Hamming Weight Model without Brute Force Cracking

Table 3

Mapping table of partial plaintext, the HM weight of SBOX output value, and key.

First round			Second round			Third round			Fourth round			Result
Key subset	Selected plaintext	HM weight	Key subset	Selected plaintext	HM weight	Key subset	Selected plaintext	HM weight	Key subset	Selected plaintext	HM weight	The key
0	0	0	251									251
1		1	56	83	2	215						215
2			78		3	56	1	4	56			56
3			115			203		6	203			203
4			146		4	115	1	4	158			158
5			158			158		5	115			115
6			203		5	78						78
7			215		6	146						146
8			243		7	243						243
9		2	6	237	0	22						22
10			11		1	163	2	1	213			213
11			22			213		5	163			163
12			27		2	11	1	3	11			11
13			37			230		5	230			230
14			54		3	95	5	1	206			206
15			61			135		3	135			135
16			64			180		4	95			95
17			68			206		5	180			180
18			95		4	27	12	2	234			234
19			101			64		3	64			64
20			110			182		5	222			222
21			129			222		7	182			182
22			132			234		8	27			27
23			135		5	6	121	2	68			68
24			163			54		3	165			165
25			165			68		4	54	1	3	101
26			180			101			101		4	54
27			182			110		5	204			204
28			195			165		6	6			6
29			204			195		7	195			195
30			206			204		8	110			110