cpp-cipher 🔐

Classic Caesar Cipher Encryption and Decryption Tool Written in C++

Features ✨

• 🔒 Encrypt Text: Securely encrypts your text using the Caesar Cipher method.

• 🔓 Decrypt Text: Decrypts text using a custom shift or tests all possible shifts.

• 🛠️ Customizable Shift Value: Choose a specific shift value for encryption and decryption.

• 🔍 Test All Shifts: Automatically tests all possible shifts when decrypting.

• 📖 User-Friendly Interface: Easy-to-use command-line interface.

Installation 🛠️

Step 1: Install a C++ Compiler

Ensure you have g++ or any C++ compiler installed on your system.

• Arch-based Linux:

sudo pacman -S gcc

• Debian-based Linux:

sudo apt install g++ -y

• Fedora:

sudo dnf install gcc-c++

• Termux:

pkg install clang -y

Step 2: Clone and Build the Project

• For Linux/Termux:

git clone https://github.com/Anon-404/cpp-cipher
cd cpp-cipher
g++ cpp-cipher.cpp -o cpp-cipher -lstdc++

Now, you are ready to use the cpp-cipher tool!

Usage 🧑‍💻

Run the cpp-cipher tool using the following syntax:

./cpp-cipher

Main Options:

Encryption

🔐 Encrypt Text

Select the "Encryption" option to encrypt your plaintext with a specified shift.

Decryption

🔓 Decrypt Text

Choose the "Decryption" option to decrypt ciphertext either by using a custom shift or testing all possible shifts.

Example:

Encryption:

./cpp-cipher
1) Encryption
Enter your text here: hello world
Enter shift number: 3

Output:

khoor zruog

Decryption:

./cpp-cipher
2) Decryption
Enter encrypted text here: khoor zruog
1) Custom shift number
Enter shift number: 3

Output:

hello world

Contributions 🤝

Contributions are welcome! Feel free to open issues or submit pull requests.