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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!