Abstract: The confidentiality and integrity of sensitive data are increasingly critical due to the growing number of transactions conducted over the Internet using Internet of Things (IoT) devices.

Abstract: This research article presents a modified Hill Cipher algorithm that incorporates a novel alphanumeric encoding scheme, for the extended character set that includes alphabets, digits, and ...

See intermediate cryptograms Supported characters - [A-Z], [a-z], ' ', ',', ';', ':', '!', '?', '-', '.' There was an error while loading. Please reload this page.

A Python implementation of the classical Row-Column Transposition cipher with encryption and decryption support. Built for educational purposes to understand column permutation and historical ...