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In the Security of Data Transmission Cryptography play an important role. The main aim is to increase the throughput of Advanced Encryption Standard algorithm through hardware technique by processing multiple rounds simultaneously. Main advantage of AES algorithm is to implemented in both software and hardware. Advanced encryption standard implemented in hardware because the hardware implementation has the advantages of increase throughput and offers better security. For the performance up gradation, the Field-Programmable Gate Arrays is one of the prominent solutions. The AES function calculation for encryption includes four transformation stages which are shift rows, sub bytes, add round key, Mix column. The AES function calculation for Decryption includes four transformation stages which are Invsubbytes, Invshiftrow, InvMixColumn, Invaddround key. An advanced encryption standard have …