Exploring Polybius Square Encryption: A Comprehensive Guide

Understanding the Key Features, Advantages, and Limitations of Polybius Square Encryption | Karthikeyan Nagaraj

Introduction:

• Polybius Square encryption is a classical encryption technique that uses a two-dimensional grid to encrypt messages.
• It was invented by the ancient Greek historian Polybius and has been used for centuries to encode secret messages.

In this article, we will provide a comprehensive guide to Polybius Square encryption, including its key features, advantages, and limitations.

Key Features of Polybius Square Encryption:

• Polybius Square encryption uses a two-dimensional grid, usually with 5 rows and 5 columns, to represent the letters of the alphabet and other symbols.
• Each letter or symbol is represented by a pair of numbers that correspond to its row and column position in the grid.
• To encrypt a message, each letter or symbol is replaced by its corresponding pair of numbers.
• The resulting sequence of numbers is then grouped into pairs or triplets, which are used to form the encrypted message.