A study on the power consumption of using cryptography algorithms in mobile devices

Mobile Ad Hoc network is rapidly developing research area, one of the open question in this area is secure data inside the network. Encryption algorithms play a main role in information security systems. On the other side, those algorithms consume a significant amount of computing resources such as CPU time, memory, and battery power. This paper provides evaluation of three of the common encryption algorithms: AES, Blowfish, and GOST. A comparison has been conducted for those encryption algorithms at different sizes of data blocks. Key expansion time and encryption/decryption speed was measured. Simulation results are given to demonstrate the effectiveness of each algorithm.