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Current Trends in Science and Technology

an Open Access Publication ISSN: 0976-9730 | 0976-9498

Engineering and Technology

Design of a High Performance Substitution Box (S-Box) For AES Using Galois Field GF (28)

Teegala Mounica, Thrived Dhrbhashayanam
Online First: April 30, 2018
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Abstract

The Advanced Encryption Standard (AES) is considered to be the strongest encryption technique in cryptography. Advanced Encryption Standard (AES) is a symmetric key block cipher which will encrypt as well as decrypt the data block. The pre-computed values stored in a ROM based lookup table. In this implementation, all 256 values are stored in a ROM such implementation is expensive in terms of hardware. A more refined way of implementing the S-Box by using Composite field method through combinational logic.  This S Box has the advantage of having small area occupancy. Hence it delivers high throughput optimizes the delay and reduces the area. The 128-bit Advanced Encryption Standard (AES) of fully Pipelined AES with Compact S-Box is simulated and synthesized by Xilinx 14.7v tool.

  Submitted
Jun 22, 2018
Published
Apr 30, 2018
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