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Volume 8
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Article

Efficient Implementation on Low-Cost SoC-FPGAs of TLSv1.2 Protocol with ECC_AES Support for Secure IoT Coordinators

by
Ahmed Mohamed Bellemou
1,2,
Antonio García
3,
Encarnación Castillo
3,
Nadjia Benblidia
2,
Mohamed Anane
4,
José Antonio Álvarez-Bermejo
5 and
Luis Parrilla
3,*
1
Department of System and Multimedia Architecture, Centre de Développement des Technologies Avancées, Baba Hassen, Algiers 16081, Algeria
2
LRDSI Laboratory, Department of Electronics, Blida 1 University, Blida 09000, Algeria
3
Departamento Electrónica y Tecnología de Computadores, Universidad de Granada, 18071 Granada, Spain
4
Ecole Supérieure d’Informatique, El Harrach, Algiers 16270, Algeria
5
Departamento Informática, Universidad de Almería, 04120 Almería, Spain
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(11), 1238; https://doi.org/10.3390/electronics8111238
Submission received: 7 October 2019 / Revised: 24 October 2019 / Accepted: 26 October 2019 / Published: 30 October 2019
(This article belongs to the Special Issue Emerging Applications of Recent FPGA Architectures)
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Abstract

Security management for IoT applications is a critical research field, especially when taking into account the performance variation over the very different IoT devices. In this paper, we present high-performance client/server coordinators on low-cost SoC-FPGA devices for secure IoT data collection. Security is ensured by using the Transport Layer Security (TLS) protocol based on the TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 cipher suite. The hardware architecture of the proposed coordinators is based on SW/HW co-design, implementing within the hardware accelerator core Elliptic Curve Scalar Multiplication (ECSM), which is the core operation of Elliptic Curve Cryptosystems (ECC). Meanwhile, the control of the overall TLS scheme is performed in software by an ARM Cortex-A9 microprocessor. In fact, the implementation of the ECC accelerator core around an ARM microprocessor allows not only the improvement of ECSM execution but also the performance enhancement of the overall cryptosystem. The integration of the ARM processor enables to exploit the possibility of embedded Linux features for high system flexibility. As a result, the proposed ECC accelerator requires limited area, with only 3395 LUTs on the Zynq device used to perform high-speed, 233-bit ECSMs in 413 µs, with a 50 MHz clock. Moreover, the generation of a 384-bit TLS handshake secret key between client and server coordinators requires 67.5 ms on a low cost Zynq 7Z007S device.
Keywords: TLS; ECC; AES; FPGA; Embedded Linux TLS; ECC; AES; FPGA; Embedded Linux

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MDPI and ACS Style

Bellemou, A.M.; García, A.; Castillo, E.; Benblidia, N.; Anane, M.; Álvarez-Bermejo, J.A.; Parrilla, L. Efficient Implementation on Low-Cost SoC-FPGAs of TLSv1.2 Protocol with ECC_AES Support for Secure IoT Coordinators. Electronics 2019, 8, 1238. https://doi.org/10.3390/electronics8111238

AMA Style

Bellemou AM, García A, Castillo E, Benblidia N, Anane M, Álvarez-Bermejo JA, Parrilla L. Efficient Implementation on Low-Cost SoC-FPGAs of TLSv1.2 Protocol with ECC_AES Support for Secure IoT Coordinators. Electronics. 2019; 8(11):1238. https://doi.org/10.3390/electronics8111238

Chicago/Turabian Style

Bellemou, Ahmed Mohamed, Antonio García, Encarnación Castillo, Nadjia Benblidia, Mohamed Anane, José Antonio Álvarez-Bermejo, and Luis Parrilla. 2019. "Efficient Implementation on Low-Cost SoC-FPGAs of TLSv1.2 Protocol with ECC_AES Support for Secure IoT Coordinators" Electronics 8, no. 11: 1238. https://doi.org/10.3390/electronics8111238

APA Style

Bellemou, A. M., García, A., Castillo, E., Benblidia, N., Anane, M., Álvarez-Bermejo, J. A., & Parrilla, L. (2019). Efficient Implementation on Low-Cost SoC-FPGAs of TLSv1.2 Protocol with ECC_AES Support for Secure IoT Coordinators. Electronics, 8(11), 1238. https://doi.org/10.3390/electronics8111238

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