Digital Payment Processing System

Description

A C++ application that simulates a digital payment processing system. It includes functionality for processing transactions, validating payment methods, and encrypting sensitive data.

Features

• Transaction Processing: Simulates transaction handling and persistence.
• Payment Methods: Validates credit and debit card information.
• Encryption: Implements basic AES encryption for secure data handling.
• Testing: Includes unit tests for transaction processing and payment validation.

Setup

1. Install Dependencies:

   • Ensure you have g++, openssl installed via Homebrew.

2. Build the Project:

   g++ -o payment_system src/main.cpp src/TransactionProcessor.cpp src/PaymentMethodHandler.cpp src/EncryptionUtil.cpp -I/usr/local/opt/openssl/include -L/usr/local/opt/openssl/lib -lssl -lcrypto

3. Run the Application: ./payment_system