Cryptography utilizing the Affine-Hill cipher and Extended Generalized Fibonacci matrices | ||
| Electronic Journal of Mathematical Analysis and Applications | ||
| Volume 11, Issue 2, July 2023, Pages 1-12 PDF (538.97 K) | ||
| Document Type: Regular research papers | ||
| DOI: 10.21608/ejmaa.2023.295792 | ||
| Authors | ||
| Vaishali Billore* 1; Naresh Patel2 | ||
| 1ward no.2 indira colony A.B. Road sendhwa | ||
| 2Govt. Holkar Science College, Indore | ||
| Abstract | ||
| We are aware that a major cryptosystem element plays a crucial part in maintaining the security and robustness of cryptography. Various researchers are focusing on creating new forms of cryptography and improving those that already exist using the principles of number theory and linear algebra. In this article, we have proposed a Extended generalized Fibonacci matrix (recursive matrix of higher order) having relation with Extended generalized Fibonacci sequences and established some properties in addition to that usual matrix algebra. Further, we proposed a modified public key cryptography using these matrices as keys in Affine-Hill Cipher and key agreement for encryption-decryption with the combination of terms of Extended generalized Fibonacci sequences under prime modulo. This system has a large key space and reduce the time complexity as well as space complexity of the key transmission by only requiring the exchange of pair of numbers(parameters) as opposed to the entire key matrix | ||
| Keywords | ||
| Affine Hill Cipher; Cryptography; Fibonacci Sequence & Matrix; Extended generalized Fibonacci Sequence & Matrix | ||
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