Symmetric Encryption Scheme Based on Quasigroup Using Chained Mode of Operation

• URL: http://arxiv.org/abs/2408.04490v1
• Date: Thu, 8 Aug 2024 14:39:51 GMT
• Title: Symmetric Encryption Scheme Based on Quasigroup Using Chained Mode of Operation
• Authors: Satish Kumar, Harshdeep Singh, Indivar Gupta, Ashok Ji Gupta,
• Abstract summary: We propose a novel construction for a symmetric encryption scheme, referred as SEBQ. We utilize concepts of chaining like mode of operation and present a block cipher with in-built properties.
• Score: 1.4249472316161877
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In this paper, we propose a novel construction for a symmetric encryption scheme, referred as SEBQ which is based on the structure of quasigroup. We utilize concepts of chaining like mode of operation and present a block cipher with in-built properties. We prove that SEBQ shows resistance against chosen plaintext attack (CPA) and by applying unbalanced Feistel transformation [19], it achieves security against chosen ciphertext attacks (CCA). Subsequently, we conduct an assessment of the randomness of the proposed scheme by running the NIST test suite and we analyze the impact of the initial vector, secret key and plaintext on ciphertext through an avalanche effect analysis. We also compare the results with existing schemes based on quasigroups [11,46]. Moreover, we analyze the computational complexity in terms of number of operations needed for encryption and decryption process.

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