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Chandra, S.; Paira, S.; Alam, S. S.; Sanyal, G. (2014). "A comparative survey of Symmetric and Asymmetric Key Cryptography". 2014 International Conference on Electronics, Communication and Computational Engineering (ICECCE). pp.83–93. doi:10.1109/ICECCE.2014.7086640. ISBN978-1-4799-5748-4. S2CID377667.
Kumar, M. G. V.; Ragupathy, U. S. (March 2016). "A Survey on current key issues and status in cryptography". 2016 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET). pp.205–210. doi:10.1109/WiSPNET.2016.7566121. ISBN978-1-4673-9338-6. S2CID14794991.