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  A Comparative Study of Symmetric Key Encryption Algorithms  
  Authors : Amit Jain; Divya Bhatnagar
  Cite as:


Internet and networks applications are growing very fast, so the needs to protect such applications are increased. 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 five of the most common encryption algorithms namely: AES (Rijndael), DES, 3DES, RC2 and RC6. A comparison has been conducted for those encryption algorithms at different settings for each algorithm such as different sizes of data blocks, battery power consumption, different key size and finally encryption/decryption speed.


Published In : IJCSN Journal Volume 3, Issue 5

Date of Publication : October 2014

Pages : 298 - 303

Figures : 07

Tables : 03

Publication Link : A Comparative Study of Symmetric Key Encryption Algorithms




Amit Jain : is working as Assistant Professor in CSE Department at Sir Padampat Singhaniya University, Udaipur. He obtained M.Tech. Degree in Computer Science. His area of Research is “Information Security”. He has published 4 papers in International Conference and 10 papers in national conference. At present he is pursuing Ph.D. in Computer Science from Sir Padampat Singhania University, Udaipur.

Divya Bhatnagar : is presently working as Assistant Professor in the department of Computer Sc. & Engg. at Sir Padampat Singhania University, Udaipur, India. She was born in Gwalior, Madhya Pradesh, India. After completing her Master Degree in 1996 she received Post Graduate Diploma in Operations Management and thereafter, Doctoral Degree in Computer Application in 2012. She has a teaching and administration experience of 17 years in the field of Computer Science and Engineering, Computer Applications, IT, Management, and related fields. She has about 30 research publications in National, International Journals and Conferences. The major research areas of interest are data mining, neural network and privacy preserving data mining.








Encryption Techniques

Computer Security





This paper presents a performance evaluation of selected symmetric encryption algorithms. The selected algorithms are AES, DES, 3DES, RC6 and RC2. Several points can be concluded from the simulation results. First; there is no significant difference when the results are displayed for encryption or decryption. Secondly; in the case of changing packet size, it was concluded that RC6 has better performance than other common encryption algorithms used. Third; in the case of changing key size – it can be seen that higher key size leads to clear change in the battery and time consumption. Also, we find that 3DES still has low performance compared to algorithm DES.










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