FPGA Implementation for Elliptic Curve Cryptography Algorithm and Circuit with High Efficiency and Low Delay for IoT...

Area of Science:

• Cryptography and Network Security
• Embedded Systems and Hardware Acceleration

Background:

• The Internet of Things (IoT) necessitates robust security and privacy measures.
• Elliptic Curve Cryptography (ECC) offers superior security and lower latency with shorter keys compared to other public-key cryptosystems, making it ideal for resource-constrained IoT environments.

Purpose of the Study:

• To propose a high-efficiency, low-delay elliptic curve cryptographic architecture tailored for IoT security applications.
• To leverage the NIST-p256 prime field for enhanced security performance in IoT devices.

Main Methods:

• Development of a modular square unit employing a fast partial Montgomery reduction algorithm, achieving a four-clock cycle modular square operation.
• Simultaneous computation of modular square and modular multiplication units to accelerate point multiplication.
• Implementation and synthesis on a Xilinx Virtex-7 FPGA platform.

Main Results:

• The proposed architecture achieves a point multiplication (PM) operation in 0.08 ms.
• Resource utilization includes 23.1 k LUTs operating at a frequency of 105.3 MHz.
• Demonstrates significantly improved performance over existing solutions.

Conclusions:

• The developed ECC architecture provides a highly efficient and low-latency solution for securing IoT networks.
• The design's performance metrics indicate its suitability for demanding IoT security applications requiring fast cryptographic operations.