Hardware Obfuscation Based Watermarking Technique for IPR Ownership Identification

Table 1

Comparative analysis of area overhead and probability of coincidence (P_C).

Benchmark circuit	Baseline	[58]		[59]		Watermark 1 K8:4D8:3C8		Watermark 16 K64:4D64:3C64
	Area (μm^2)	Area (μm^2)	% overhead	Area (μm^2)	% overhead	Area (μm^2)	% overhead	Area (μm^2)	% overhead
Ethernet	87.462	95.741	9.466	88.511	1.2	87.951	0.56	88.675	1.39
dft	229.643	245.258	6.8	233.983	1.89	230.134	0.214	230.856	0.53
Md5Core	210.335	220.881	5.014	213.237	1.38	210.827	0.234	211.548	0.58
fft8	10.78	11.107	2.87	11.388	5.47	11.229	4	12.011	11.23
Eliptic wave filter	222.756	237.903	6.8	225.985	1.45	225.248	0.221	223.969	0.54
JPEG: inverse discrete cosine transform	189.869	192.052	1.15	191.482	0.85	190.423	0.292	191.082	0.64
		P c = 9.56e − 18		P c = 3.72e − 53		P c = 9.09e − 13		P c = 4.68e − 97