Optimized Hardware Realization of AES for High-Throughput FPGA Platforms

Year : 2025 | Volume : 03 | Issue : 02 | Page : 11 22
    By

    Altaf Osman Mulani,

  1. Professor, Department of Electronics and Telecommunication Engg., SKN Sinhgad College of Engineering, Korti, Pandharpur, Maharashtra, India

Abstract

The Advanced Encryption Standard (AES) is the predominant symmetric-key cryptographic algorithm used for securing digital communication across embedded systems, IoT devices, cloud infrastructures, and defense networks. Although software-based AES implementations offer flexibility, they often fail to meet the high-speed, low-latency, and energy-efficient requirements of modern real-time applications. Reconfigurable hardware platforms such as Field-Programmable Gate Arrays (FPGAs) provide a powerful alternative by enabling architectural customization, intrinsic parallelism, and optimized hardware acceleration. This paper presents a high-performance, area-efficient AES encryption architecture specifically designed for implementation on FPGA devices. The proposed architecture employs optimized S-Box design using composite-field arithmetic, pipelined round transformations, efficient MixColumns realization, and a scalable KeyExpansion module supporting AES- 128/192/256 standards. These optimizations significantly reduce resource overhead while enhancing throughput. Comprehensive hardware synthesis on Xilinx FPGA platforms demonstrates that the design achieves operating frequencies above 200 MHz with minimal utilization of LUTs, registers, DSP slices, and block RAM. Experimental results indicate a throughput improvement of nearly 20× compared to software implementations, alongside reduced power consumption and deterministic latency. Functional simulation validates accuracy using standard NIST AES test vectors, while performance analysis confirms suitability for high-speed secure communication environments. The system’s scalability, low resource footprint, and real-time capability make it ideal for applications such as secure IoT infrastructures, military communication systems, medical device data protection, and cloud- based encryption services. Overall, the proposed FPGA-based AES architecture offers a robust and future-ready solution for hardware-level cryptographic security in intelligent and resource-constrained embedded environments.

Keywords: Cryptography, Authentication, AES algorithm, FPGA, reconfigurable platform.

[This article belongs to International Journal of VLSI Circuit Design & Technology ]

How to cite this article:
Altaf Osman Mulani. Optimized Hardware Realization of AES for High-Throughput FPGA Platforms. International Journal of VLSI Circuit Design & Technology. 2025; 03(02):11-22.
How to cite this URL:
Altaf Osman Mulani. Optimized Hardware Realization of AES for High-Throughput FPGA Platforms. International Journal of VLSI Circuit Design & Technology. 2025; 03(02):11-22. Available from: https://journals.stmjournals.com/ijvcdt/article=2025/view=235624


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Regular Issue Subscription Original Research
Volume 03
Issue 02
Received 03/12/2025
Accepted 08/12/2025
Published 31/12/2025
Publication Time 28 Days
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