This Flask-based web application implements steganography in color images using the Columnar Transposition Cipher technique. It allows for the secure embedding of text or data into color images. The ...

(i) Implementation of Product Classical Symmetric Ciphers Implement any one of the combinations (Substitution and Transposition) of classical symmetric ciphers, not limited to the following examples.

Abstract: Columnar transposition is a technique commonly used in text encryption to produce cipher text which is a permutation of its original text. In this study, the columnar transposition and ...