Journal of VLSI Design Tools and Technology Review Article
VHDL Programming for Side-Channel Attack Countermeasures in IoT Security
Abstract
The Internet of Things (IoT) landscape is expanding rapidly, connecting billions of devices across diverse domains. This interconnectedness, while offering unprecedented convenience and efficiency, also creates a fertile ground for security vulnerabilities. Among these threats, side-channel attacks (SCAs) pose a significant risk, particularly targeting the cryptographic implementations that underpin IoT security. SCAs exploit information leaked from the physical execution of cryptographic algorithms, such as power consumption, timing variations, and electromagnetic radiation, to reveal sensitive data like secret keys. Protecting IoT devices against SCAs is crucial, and one promising approach involves incorporating countermeasures directly into the hardware design using hardware description languages like Very High-Speed Integrated Circuit (VHSIC) Hardware Description Language (VHDL). This article explores the role of VHDL programming in implementing SCA countermeasures within IoT security. IoT devices often rely on cryptographic algorithms for authentication, encryption, and data integrity. However, even mathematically sound cryptographic algorithms can be vulnerable to SCAs if their implementation leaks information about their internal operations. For example, in a power analysis attack, an attacker can monitor the power consumption of a device while it executes a cryptographic algorithm. By analyzing the power consumption patterns, the attacker can deduce information about the key bits being processed, ultimately compromising the security of the device.
Keywords
References (70)
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