CryptographyToolkit

CryptographyToolkit is a suite of cryptographic tools that provides encryption, decryption, and cipher-breaking functionalities using classical algorithms such as the Caesar Cipher and Vigenère Cipher.

Table of Contents

• Requirements
• Installation
• Features
• Usage
• License

Requirements

• .NET 7.0 or higher
• Supported on Windows, macOS, and Linux

Installation

1. Clone the repository:

   git clone https://github.com/kacperrymkiewicz/CryptoToolkit

Features

Caesar Cipher App

• Encrypt and Decrypt text using the Caesar Cipher.
• Break Caesar Cipher using letter frequency analysis based on Polish language letter frequencies.

Vigenère Cipher App

• Encrypt and Decrypt text using the Vigenère Cipher with a given key.

Caesar Cipher Breaker

• Break Caesar Cipher: Attempts to decrypt Caesar-ciphered text by identifying the most frequent letters and suggesting likely plaintexts based on the Polish language.

Usage

Caesar Cipher

Choose an option:
1. Encrypt text
2. Decrypt text

License

This project is licensed under the MIT License. See LICENSE for details.