This article focuses on thwarting reverse-engineering attacks and intellectual property (IP) theft by leveraging charge-recycling adiabatic circuits. The adiabatic circuit operation has recently received attention for the Internet-of-Things (IoT) applications due to high energy efficiency and enhanced security characteristics. Such applications typically consist of resource-constrained designs and are often deployed in the field, making them particularly vulnerable to malicious attacks. PhaseCamouflage is a circuit obfuscation technique that leverages the inherent phase differences (PDs) in power supply voltage of adiabatic logic gates and exhibits strong resistance against structural/removal attacks. The proposed method relies on inserting camouflaged PDs in the power supply voltage of subsequent logic gates while still producing a functional netlist. PhaseCamouflage is a unique logic obfuscation technique with low overhead, particularly applicable to pervasive computing applications where both efficiency and security are of primary concern.

中文翻译：

---

PhaseCamouflage：利用绝热操作来阻止逆向工程

本文重点介绍如何利用电荷循环绝热电路阻止逆向工程攻击和知识产权 (IP) 盗窃。由于高能效和增强的安全特性，绝热电路操作最近在物联网 (IoT) 应用中受到关注。此类应用程序通常由资源受限的设计组成，并且通常部署在现场，这使得它们特别容易受到恶意攻击。PhaseCamouflage 是一种电路混淆技术，它利用绝热逻辑门电源电压的固有相位差 (PD)，对结构/移除攻击具有很强的抵抗力。所提出的方法依赖于在后续逻辑门的电源电压中插入伪装的 PD，同时仍然生成功能网表。PhaseCamouflage 是一种独特的低开销逻辑混淆技术，特别适用于效率和安全性都是首要考虑的普适计算应用程序。