Abstract: Single columnar transposition is an encryption technique used in text encryption to produce cipher text which is a permutation of its original text. In this study, cryptanalysis of Single ...

This project provides a matrix transposition encryption/decryption system with a graphical user interface built using Tkinter. The user can encrypt and decrypt messages from .docx files.

The keys are correct as stated, but instead of numbering duplicate letters from left to right, Agent Madeleine numbered them from right to left. You may want to complete the decryption yourself before ...