password-manager

Password Manager

A secure command-line password manager that encrypts and stores your passwords safely.

Features

• 🔐 Master Password Protection - Secure access with a master password
• 🔒 Military-Grade Encryption - Uses Fernet symmetric encryption
• ➕ Add Passwords - Store passwords for different accounts
• 👀 View Passwords - View all stored passwords (decrypted)
• 🔍 Search Functionality - Quickly find passwords by account name
• 🗑️ Delete Passwords - Remove passwords you no longer need
• 💾 Persistent Storage - Data saved in encrypted JSON format

Requirements

pip install cryptography

Usage

python password_manager.py

First Time Setup

1. Run the program
2. Create a master password (you'll need this every time)
3. Start adding your passwords

Menu Options

1. Add New Password - Store a new account password
2. View All Passwords - Display all stored passwords
3. Search Password - Find a specific password
4. Delete Password - Remove a password entry
5. Exit - Close the program

Security Features

• Master password hashed with SHA-256
• Passwords encrypted with Fernet (symmetric encryption)
• Password input hidden (not displayed on screen)
• Encryption key stored separately
• 3 attempts limit for master password

Files Created

• passwords.json - Encrypted password storage
• key.key - Encryption key (keep this safe!)
• master.hash - Hashed master password

⚠️ Important Notes

• Never share your master password
• Backup key.key file - Without it, passwords cannot be decrypted
• Keep files secure - Don't commit these files to public repositories

Example Usage

Enter master password: ****
✓ Access granted!

=== Add New Password ===
Account/Website name: Gmail
Username/Email: user@gmail.com
Password: ****
✓ Password for 'Gmail' saved successfully!