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In this paper, we have proposed and implemented a hardware-based security system, which executes RSA-based cryptography operations by using the PKCS#11 standard. It was implemented in C, VHDL and FPGAs and it is modular and easily adaptable to the future upgrades for the communication among machines and devices. Any cryptography algorithm can be used; however, in our project we only used the RSA as...
In this paper we present a detailed review of the works on public key cryptography (PKC) in wireless sensor networks (WSNs). In the early days of sensor networks, public key cryptography was thought to be completely unfeasible considering its computational complexity and energy requirements. By this time, several works have proved that the lightweight versions of many well-known public key algorithms...
Secure key establishment is a fundamental security service in wireless sensor networks. It enables sensor nodes to secure their communications from malicious eavesdropping or tampering. However, due to restricted computing power and limited memory space, traditional public key cryptosystems may not be applicable to sensor hardware. To address this problem, we propose a lightweight distributed key...
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