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Lightweight PUF-Based Gate Replacement Technique to Reduce Leakage of Information through Power Profile Analysis

Mohankumar N., Jayakumar M., Nirmala Devi M.

International Journal of Electronics and Telecommunications

2022

Vol. 68. No. 4

749--754

The major challenge faced by electronic device designers is to defend the system from attackers and malicious modules called Hardware Trojans and to deliver a secured design. Although there are many cryptographic preventive measures in place adversaries find different ways to attack the device. Differential Power Analysis (DPA) attack is a type of Side Channel Attacks, used by an attacker to analyze the power leakage in the circuit, through which the functionality of the circuit is extracted. To overcome this, a lightweight approach is proposed in this paper using, Wave Dynamic Differential Logic (WDDL) technique, without incurring any additional resource cost and power. The primary objective of WDDL is to make the power consumption constant of an entire circuit by restricting the leakage power. The alternate strategy used by an adversary is to leak the information through reverse engineering. The proposed work avoids this by using a bit sequencer and a modified butterfly PUF based randomizing architecture. A modified version of butterfly PUF is also proposed in this paper, and from various qualitative tests performed it is evident that this PUF can prevent information leakage. This work is validated on ISCAS 85, ISCAS 89 benchmark circuits and the results obtained indicate that the difference in leakage power is found to be very marginal.

Oznaczanie formaldehydu w powietrzu wewnętrzym przy użyciu próbników pasywnych typu PUF

Kucharczyk A., Grochowalski A.

Analityka : nauka i praktyka

2015

nr 2

46--50

W niniejszej pracy opracowano metodę pasywnego pobierania formeldehydu z powietrza oraz nową metodę oznaczania formaldehydu przy użyciu fenylohydrazyny jako odczynnika derywatyzującego.