Research Article
Hardware Obfuscation Based Watermarking Technique for IPR Ownership Identification
Table 1
Comparative analysis of area overhead and probability of coincidence (PC).
| Benchmark circuit | Baseline | [58] | [59] | Watermark 1 K8:4D8:3C8 | Watermark 16 K64:4D64:3C64 | Area (μm2) | Area (μm2) | % overhead | Area (μm2) | % overhead | Area (μm2) | % overhead | Area (μm2) | % 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 |
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