Table 12.

Comparisons with similar schemes in the literature

	PRNG–EHSHM	Ref. 2022 [16]	Ref. 2021 [17]	Ref. 2021 [18]
Chaos properties
Chaotic map	Hénon-Sine	Piece-wise linear	Duffing and	4D-Hyperchaotic
	map	Chaotic map	2D-Logistic map	map
Lyapunov exponent	$✓$	$✓$	$✓$	$✓$
Attractor trajectory	$✓$	−	−	$✓$
Bifurcation diagram	$✓$	$✓$	$✓$	$✓$
Histogram	$✓$	−	−	−
Sensitivity at initialization	$✓$	−	−	−
Security analysis
Key space	$✓$	−	$✓$	$✓$
Key sensitivity	$✓$	$✓$	$✓$	−
NPCR and/or UACI	$✓$	−	−	$✓$
Floating frequency	$✓$	−	−	−
Histogram	$✓$	−	−	$✓$
Correlation	$✓$	$✓$	$✓$	$✓$
Autocorrelation	$✓$	$✓$	$✓$	−
Information entropy	$✓$	$✓$	$✓$	$✓$
Statistical analysis
NIST 800-22	$✓$	$✓$	$✓$	$✓$
Other	−	−	−	−
Implementation
MATLAB	$✓$	$✓$	$✓$	$✓$
Microcontroller	$✓$	$✓$	−	$✓$