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Secure C++ banking system with encrypted authentication, multi-currency support, and robust transaction processing

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Alazaabat/CppBankingSystem

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C++ Banking System with Secure Authentication and Communication

Project Overview

This robust C++ banking system is engineered to streamline banking operations, focusing on robust security measures, comprehensive user management, detailed client services, advanced transaction processing, and internal communication functionalities. It's a fully-fledged solution for a banking environment, equipped to handle a myriad of currencies.

Project Overview Image

Key Features

Security and Authentication

  • Secure Login: Implements a multi-attempt login system that locks users out after consecutive failed attempts to prevent unauthorized access.
  • Password Encryption: Utilizes encryption for password storage, with decryption at the point of login, to safeguard user credentials.
  • Login Tracking: Maintains meticulous logs of user login attempts, complete with timestamps for enhanced security oversight.

Client Management

  • Client Profiles: Facilitates the addition, updating, and deletion of client profiles, each identified by a unique account number and linked with extensive personal and financial details.
  • Balance Management: Empowers administrators to monitor and manage client account balances, supporting a variety of transaction types.

Transaction Handling

  • Financial Operations: Enables deposits, withdrawals, and inter-account transfers with ease.
  • Transaction Logging: Keeps an exhaustive record of all transactions for accountability and reconciliation purposes.

User Management

  • Administrative Oversight: Provides administrators with the tools to control user access, including the ability to add, update, or remove user accounts.
  • Permission Assignment: Supports the assignment of permission levels to differentiate roles and access within the banking system.

Communication System

  • Internal Email Service: Allows for sending and receiving of emails within the system, negating the need for external email services and enhancing privacy.
  • Mailbox Management: Offers the capability to manage and clear email boxes with the required password confirmation for actions, ensuring user authenticity.
  • Email Activity Log: Captures all email activities, providing a complete log of sent and received emails along with pertinent details.

Currency Exchange Module

  • Extensive Currency Listings: Maintains a detailed list of global currencies for transactional purposes.
  • Real-Time Conversion: Features a currency conversion tool that uses up-to-date exchange rates.
  • Currency Updates: Admins can search for and update currency values to keep up with the fluctuating foreign exchange market.

Data Persistence

  • File-Based Storage: Reliably stores all data, including user profiles, client information, transactions, and emails in files, ensuring continuity and integrity of data.

Documentation

User Guide

  • Getting Started: You have to log in first with User: Admin -> Password: 1234. This is a SuperUser that can add any user with any permission and delete any user.

Client Operations

  • Show Client List: Navigate to 'Show Clients' from the main menu. You will get a table with information on all clients.
  • Adding a New Client: Navigate to 'Add New Client' from the main menu. Enter the client's personal information as prompted.
  • Updating Client Information: Select 'Update Client Info' from the main menu. Input the client's account number and update the necessary fields.
  • Deleting a Client: Choose 'Delete Client' from the main menu. Enter the client's account number that you wish to delete and confirm the action.
  • Find a Client: Choose 'Find Client' from the main menu. Enter the client's account number to get all info on this client.

Transaction Operations

  • Making a Deposit: Select 'Deposit' from the Transactions menu. Enter the client's account number and the amount to deposit.
  • Withdrawing Funds: Choose 'Withdraw' from the Transactions menu. Input the account number and the amount to withdraw.
  • Transferring Funds: Go to 'Transfer' in the Transactions menu. Enter the source and destination account numbers and the transfer amount.

Communication

  • Sending Emails: Access 'Send Email' from the Communication menu. Enter the recipient's username, subject, and message body.
  • Receiving Emails: Emails received will appear in your 'Received Mailbox'. Open an email to read the content.
  • Managing Emails: To clear your mailbox, select 'Clear Mailbox' and enter your password for confirmation.

Troubleshooting

  • Login Issues: If you cannot log in, check your username and password and try again.
  • Transaction Errors: Ensure the client's account number and transaction details are correct.
  • System Performance: If the system is running slowly or not responding, try restarting the software.

FAQs

  • How do I reset my password?: Password resets can be done by going to Manage Users using SuperUser (Admin), then Update User and change the password of the user you want to change.
  • Can I open multiple accounts for the same client?: Yes, clients can have multiple accounts, each with a unique account number.
  • Is there a transaction limit?: There is no transaction limit unless you are trying to withdraw an amount higher than your account balance.

Screenshots and Usage

The repository includes screenshots that illustrate various features and modules of the system:

Authentication Process

Authentication Process

Client Information Management

Client Information Management

Transactional Processes

Transactional Processes

Communication Features

Sending Email to Houssam

Sending Email

Admin Sent Mailbox

Admin Sent Mailbox

Houssam Received Mailbox

Houssam Received Mailbox

Contributions

We welcome contributions that aim to enhance the system's functionalities or introduce new features. Please fork the repository and follow the provided guidelines for submitting pull requests.

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