Performance Comparison of Asymmetric Cryptography (Case study- Mail message)

Zarni Sann, Thi thi Soe, Kaythi Wyut Mhone Knin, Zin May Win

Abstract


Encryption is a well known technology for protecting sensitive data. ElGamal encryption and RSA algorithm is made before storing mails to mail server. ElGamal decryption and RSA decryption is made after retrieving mails from mail server. This system is implemented to secure mail server system for local government’s important mail messages. These algorithms consume a considerable amount of time and resources such as memory, CPU time, and computation time to encrypt and decrypt data. In this paper, the results are comparison of these algorithms in term of encryption time, decryption time, and memory usage over variable file sizes. After processing, it is proven that RSA performs a faster encryption process than ElGamal. However, ElGamal decryption process is faster than RSA. This system is also expressed comparison of storage Size between RSA and ElGamal. Both of these algorithms are cryptographic public-key algorithms but have functions in different ways. This system is using C# programming language and SQL Server to store mail messages.


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References


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DOI: https://doi.org/10.11591/APTIKOM.J.CSIT.147

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ISSN: 2528-2417, e-ISSN: 2528-2425

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Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.