Algebraic Coding Theory Using Pell Equation x2 − 8y2 = 1
DOI:
https://doi.org/10.23755/rm.v46i0.1062Keywords:
Pell equation, Encryption-decryption algorithm, Q8∗ matrix, CryptographyAbstract
An interdisciplinary field with significant practical use is cryptography. The difficulty of specific mathematical computing tasks affectsa public key cryptosystem’s security. The technique for coding and
decoding the messages was described in this work, utilising the solutions of Pell equation x2 - 8y2 = 1 and matrix Q8∗. It was noted
that messages can be turned into an even size that is then divided into
slabs.
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