Table 24 Analysis of design overheads for LUT based logic encryption along with % of improvements when compared with proposed logic encryption.

From: Efficient design and analysis of secure CMOS logic through logic encryption

Gate

Area (μm2)

Power (nW)

Delay (ps)

PDP (aJ)

AND

20.34 (76.2%)

819.5 (65.83%)

100 (55%)

81.95 (84.62%)

OR

20.34 (76.2%)

829.3 (63.7%)

100 (55%)

82.93 (83.66%)

NAND

19.18 (80.98%)

754.4 (70.08%)

90 (55.55%)

67.89 (86.70%)

NOR

19.18 (80.98%)

763.6 (68.3%)

99.5 (55.77%)

75.97 (85.98%)

XOR

23.91 (64.82%)

1326 (62.54%)

101 (34.45%)

133.92 (85.31%)

XNOR

23.91 (64.82%)

1393 (60.51%)

119 (47.89%)

165.76 (79.42%)

Average

74%

65.16%

50.61%

84.28%