Design and Implementation of Area Optimized 256 bit Advanced Encryption Standard on FPGA

Provided by: Auricle Technologies
Topic: Hardware
Format: PDF
In this paper, the authors present architecture of the Advanced Encryption Standard (AES-Rijndael) cryptosystem. The reconfigurable architecture is capable of handling all possible combinations of standard bit lengths (128, 192 and 256) of data and key. The two main parts of AES algorithm, namely encryption and key expansion, are considered for optimization. The major optimization criteria considered are maximization of hardware reduction and path delay reduction. The fully rolled inner-pipelined architecture ensures lesser hardware complexity. A new AES algorithm with 256-bit keys (AES-256) was described in this paper, which is to be realized in Verilog Hardware Description Language on FPGA board.

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