Abstract
Cryptography has gone through tremendous evolution in recent years. But the concept of enciphering text was started in 1900 BC. There have been many modifications to older cryptography as well as profound discoveries have been made in this field. Likewise, this paper proposes a cryptographic technique that uses the idea of the Diffie-Hellman key Exchange to share a common key. This key-value behaves as a seed value in the formation of key sequences. A methodology has been proposed to encrypt paired digits using dynamic programming. Based on the shared common key, a table is generated on both sides of the sender and receiver to have a common data set. This data set helps in encryption and decryption both. The dynamic table uses the Fibonacci series and recursive functions to fill the table. Decryption needs searching operation in the receiver’s table which would search for (x, y) pair. This (x, y) pair is concatenated to produce plain text.
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Das, A.K., Das, A., Kar, N. (2020). An Approach Towards Encrypting Paired Digits Using Dynamic Programming and Diffie-Hellman Key Exchange. In: Saha, A., Kar, N., Deb, S. (eds) Advances in Computational Intelligence, Security and Internet of Things. ICCISIoT 2019. Communications in Computer and Information Science, vol 1192. Springer, Singapore. https://doi.org/10.1007/978-981-15-3666-3_15
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DOI: https://doi.org/10.1007/978-981-15-3666-3_15
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