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An AES-Core Development by Using Verilog

Mahesh Walunjkar, Md. Manan Mujahid, Syed Anwar Ahmed, Ashish Jadhav

This article emphasized on FPGA design to develop AES CORE using verilog HDL. Mainly the work focus on 5 modules like, key generation, shift rows, mix columns, xoring module and top module- integration. All these modules are authorized in verilog HDL language. The key generation module generates required keys from the given key. The left circular shift operation is performed by shift rows. The mix columns perform the matrix multiplication with constant matrix. Xoring module specifies the xoring the text data with the key. The top module indicates the integration of all modules and it is treated as the AES Core. Prior to AES, Data Encryption Standard (DES) is a widely used method of data encryption using a private (secret) key that was so difficult to break. With the Triple DES implementation of DES, there are 5.1 * 1033 or more possible encryption keys that can be used.