Abstract
Security solutions in today’s data driven solutions have become an inevitable part. Through this privacy, confidentiality and trust can be achieved and this cascaded technique is proposed. Cryptography is most preferred methods to achieve these goals and cryptography is implemented/realized through applied mathematics. Symmetric key cryptography is most efficient method for the security of big data and almost all established symmetric key algorithms; Triple Data Encryption Standard, International Data Encryption Algorithm, Advanced Encryption Standard; are based on Feistel block cipher. This proposed cascaded technique is a non-Fiestel block cipher where plaintext is divided into n number of blocks and each blocks are applied with two encryption functions; Recursive Selected Block Prime-Non-Prime Differential Substitution and Triangular Encryption; in cascaded manner. To achieve good entropy and avalanche; one can apply Cipher Feedback mode to generate final ciphertext by encrypting block by block. This proposed cascaded technique; for its feasibility; is compared with RSA in non-homogeneity, N-gram, floating frequency, avalanche ratio test and entropy test.
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Chakraborty, R., Seth, R., Mandal, J.K. (2017). High Entropy and Avalanche Based Non-Feistel Cascaded CFB Block Cipher Through RSBPNDS and TE. In: Mandal, J., Dutta, P., Mukhopadhyay, S. (eds) Computational Intelligence, Communications, and Business Analytics. CICBA 2017. Communications in Computer and Information Science, vol 775. Springer, Singapore. https://doi.org/10.1007/978-981-10-6427-2_39
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DOI: https://doi.org/10.1007/978-981-10-6427-2_39
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