Password Manager

A secure password management application built with C# and Entity Framework, demonstrating modern software architecture and security best practices.

Features

User Management & Authentication

• Role-based access control (User, Administrator, IT Specialist)
• Secure password hashing
• Two-factor authentication (2FA) using authenticator apps
• Account lockout after failed login attempts
• Session management
• IP-based security monitoring

Password Management

• Secure storage of website credentials
• Password grouping functionality
• Strong password generation
• Password expiration tracking
• Password strength assessment
• Secure clipboard handling for credentials

Security Features

• AES-256 encryption for stored passwords
• Password policy enforcement
• Login attempt monitoring
• IP blacklisting
• Security alerts and monitoring
• Audit logging
• Automated security responses

Administrative Features

• User account management
• Security policy configuration
• System activity monitoring
• Security incident management

IT Operations

• Security metrics dashboard
• Login attempt analysis
• IP blocking management
• Security alert handling

Screenshots

Login & Authentication

Main login interface

Two-factor authentication setup

Password Management

User dashboard showing password statistics

Password management interface

Password grouping functionality

Administrative Interface

Administrative control panel

Security monitoring dashboard

Security monitoring management (1)

Security monitoring management (2)

Security monitoring management (3)

Technologies Used

• Framework: .NET Framework 4.8
• Architecture: MVVM (Model-View-ViewModel)
• Database: Microsoft SQL Server
• ORM: Entity Framework 6
• UI: WPF (Windows Presentation Foundation)
• Encryption: Azure Key Vault for key management
• 2FA: Time-based One-Time Password (TOTP)

Architecture

The solution is divided into three main projects:

1. PasswordManager.Core

   • Core business logic
   • Service interfaces
   • Models
   • MVVM base classes

2. PasswordManager.Data

   • Entity Framework context
   • Database models
   • Repository implementations
   • Data access logic

3. PasswordManager.App

   • WPF application
   • Views and ViewModels
   • UI resources
   • User interface logic

Security Features

Password Security

• Strong password enforcement
• Regular password expiration
• Password strength assessment
• Secure password generation
• Encrypted storage

Access Control

• Role-based permissions
• Two-factor authentication
• Account lockout
• Session management
• IP-based security

Monitoring & Auditing

• Failed login tracking
• Security incident logging
• User activity auditing
• Real-time security alerts

Installation

1. Clone the repository
2. Open the solution in Visual Studio 2022
3. Update the connection string in App.config
4. Run the SQL script in PasswordManagerEF.sql to create the database
5. Configure Azure Key Vault credentials in App.config (or use local encryption key)
6. Build and run the application

Default Credentials

Administrator:
Username: admin
Password: admin123

IT Specialist:
Username: it
Password: admin123

User:
Username: user
Password: admin123

Development Setup

Prerequisites

• Visual Studio 2022
• SQL Server Management Studio 2020
• .NET Framework 4.8 SDK
• SQL Server LocalDB or higher

License

This project is licensed under the MIT License - see the LICENSE file for details

Contributing

This is an educational project demonstrating various software development concepts. Feel free to fork and modify for your own learning purposes.

Acknowledgments

• Built as an educational project to demonstrate:
  • MVVM architecture
  • Entity Framework implementation
  • Security best practices
  • WPF development
  • Role-based access control