Local Logic Camouflaging Based IC Circuit Protection Method

Ran YANG; Wenchao GAO

doi:10.11999/JEIT210577

Volume 43 Issue 9

Sep. 2021

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Article Navigation > Journal of Electronics & Information Technology > 2021 > 43(9): 2466-2473

Ran YANG, Wenchao GAO. Local Logic Camouflaging Based IC Circuit Protection Method[J]. Journal of Electronics & Information Technology, 2021, 43(9): 2466-2473. doi: 10.11999/JEIT210577

Citation:

Ran YANG, Wenchao GAO. Local Logic Camouflaging Based IC Circuit Protection Method[J]. Journal of Electronics & Information Technology, 2021, 43(9): 2466-2473. doi: 10.11999/JEIT210577

Ran YANG, Wenchao GAO. Local Logic Camouflaging Based IC Circuit Protection Method[J]. Journal of Electronics & Information Technology, 2021, 43(9): 2466-2473. doi: 10.11999/JEIT210577

Citation:

Ran YANG, Wenchao GAO. Local Logic Camouflaging Based IC Circuit Protection Method[J]. Journal of Electronics & Information Technology, 2021, 43(9): 2466-2473. doi: 10.11999/JEIT210577

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Local Logic Camouflaging Based IC Circuit Protection Method

doi: 10.11999/JEIT210577 cstr: 32379.14.JEIT210577

Ran YANG¹,
Wenchao GAO^{2
,
,}

1.
School of Mathematics, China University of Mining and Technology, Xuzhou 221116, China
2.
College of Mechanical Electronic & Information Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China

Funds: The National Natural Science Foundation of China (61834002), Beijing National Research Center for Information Science and Technology (BNR2019ZS01001)

Received Date: 2021-06-15
Rev Recd Date: 2021-08-12

Available Online: 2021-08-23

Publish Date: 2021-09-16

Abstract

Abstract

With illegal hardware reverse engineering attacks, the Integrated Circuit (IC) design suffers from the key Intellectual Property (IP)/algorithm piracy and hardware Trojan insertion. An IC camouflaging method, LPerturb, is proposed in this paper by local circuit logic perturbation for IP Protection. The circuit is partitioned into some Maximum Fanout-Free Cones (MFFCs), namely multiple functionally independent sub-circuits to be camouflaged, for output logic perturbation locally. A logic cell is selected in the MFFC sub-circuit. The cell is replaced to perturb the logic functionality of the MFFC minimally. A multi-logic camouflaged block is used to protect and restore the perturbed logic secret. Experimental results show that LPerturb can produce the camouflaged circuits steadily, which has good output corruptibility and effectively resists SAT based attack. The overhead in area and timing is also in low level.
- Hardware security,
- IC protection,
- IC camouflaging,
- Logic obfuscation,
- Minterm perturbation

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References(24)

References

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