Cryptanalysis and Performance Evaluation of Enhanced Threshold Proxy Signature Scheme Based on RSA for Known Signers

Table 8

Histogram analysis for the KUOCHEN threshold proxy signature schemes.

Number	Substring	Frequency (in %)	Frequency
1	N	11.3387	631
2	I	8.841	492
3	E	8.6253	480
4	T	8.4636	471
5	S	7.8886	439
6	R	7.044	392
7	O	4.8697	271
8	A	4.6361	258
9	C	4.4205	246
10	U	3.8455	214
11	G	3.2884	183
12	P	3.2165	179
13	L	3.1626	176
14	F	3.0189	168
15	H	2.9111	162
16	D	2.8392	158
17	M	2.6954	150
18	Y	1.8509	103
19	X	1.4196	79
20	W	1.2579	70
21	J	1.15	64
22	V	1.0422	58
23	B	0.9164	51
24	K	0.7907	44
25	Q	0.3953	22
26	Z	0.0719	4