Low-power cryptographic coprocessor for autonomous wireless sensor networks

Jakub Olszyna; Wiesław Winiecki

doi:10.1117/12.2035441

25 October 2013 Low-power cryptographic coprocessor for autonomous wireless sensor networks

Jakub Olszyna, Wiesław Winiecki

Proceedings Volume 8903, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013; 890327 (2013) https://doi.org/10.1117/12.2035441
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013, 2013, Wilga, Poland

Abstract

The concept of autonomous wireless sensor networks involves energy harvesting, as well as effective management of system resources. Public-key cryptography (PKC) offers the advantage of elegant key agreement schemes with which a secret key can be securely established over unsecure channels. In addition to solving the key management problem, the other major application of PKC is digital signatures, with which non-repudiation of messages exchanges can be achieved. The motivation for studying low-power and area efficient modular arithmetic algorithms comes from enabling public-key security for low-power devices that can perform under constrained environment like autonomous wireless sensor networks. This paper presents a cryptographic coprocessor tailored to the autonomous wireless sensor networks constraints. Such hardware circuit is aimed to support the implementation of different public-key cryptosystems based on modular arithmetic in GF(p) and GF(2^m). Key components of the coprocessor are described as GEZEL models and can be easily transformed to VHDL and implemented in hardware.

Citation Download Citation

Jakub Olszyna and Wiesław Winiecki "Low-power cryptographic coprocessor for autonomous wireless sensor networks", Proc. SPIE 8903, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013, 890327 (25 October 2013); https://doi.org/10.1117/12.2035441

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