This document reviews different cryptography algorithms that have been implemented using hardware. It discusses algorithms like AES, DES, RSA, ECC, SHA-1, and RC6 that have been used to encrypt and decrypt data. The review focuses on research that has implemented these algorithms on hardware, including FPGAs, to evaluate aspects like security, speed, power consumption, and throughput. It summarizes 13 research papers that have studied implementing cryptography algorithms like AES, DES, RSA, ECC, and SHA-1 on different hardware, finding that algorithms like AES, ECC, and SHA-1 have advantages for security, speed and low power consumption.