Cryptanalytic Performance Appraisal of Improved CCH2 Proxy Multisignature Scheme

Table 2

Number	Substring	CCH1	Frequency1	CCH2	Frequency2	Proposed technology	Frequency3
		Frequency (in %)	Frequency	Frequency (in %)	Frequency	Frequency (in %)	Frequency
1	N	10.9477	201	10.9477	201	10.9477	201
2	I	10.512	193	10.512	193	10.512	193
3	T	9.3137	171	9.3137	171	9.3137	171
4	E	8.5512	157	8.5512	157	8.5512	157
5	S	6.9172	127	6.9172	127	6.9172	127
6	R	5.3377	98	5.3377	98	5.3377	98
7	A	4.3028	79	4.3028	79	4.3028	79
8	O	4.085	75	4.085	75	4.085	75
9	C	3.8126	70	3.8126	70	3.8126	70
10	D	3.8126	70	3.8126	70	3.8126	70
11	U	3.5403	65	3.5403	65	3.5403	65
12	F	3.268	60	3.268	60	3.268	60
13	P	3.268	60	3.268	60	3.268	60
14	G	3.2135	59	3.2135	59	3.2135	59
15	L	3.2135	59	3.2135	59	3.2135	59
16	H	3.159	58	3.159	58	3.159	58
17	Y	2.9412	54	2.9412	54	2.9412	54
18	M	2.0697	38	2.0697	38	2.0697	38
19	X	1.9063	35	1.9063	35	1.9063	35
20	V	1.6885	31	1.6885	31	1.6885	31
21	W	1.3617	25	1.3617	25	1.3617	25
22	J	0.817	15	0.817	15	0.817	15
23	B	0.817	15	0.817	15	0.817	15
24	K	0.5447	10	0.5447	10	0.5447	10
25	Q	0.4902	9	0.4902	9	0.4902	9
26	Z	0.1089	2	0.1089	2	0.1089	2