TamimHardcode 🔐

A secure encryption/decryption Node.js package with built-in license protection and machine binding.

Features

• 🔒 Military-grade encryption using AES-256-GCM
• 🏷️ License protection - requires proper npm installation
• 💻 Machine binding - encrypted data is tied to the machine
• 📁 File encryption/decryption support
• 🛡️ Anti-tampering protection
• 🔑 Custom password support

Installation

npm install tamimhardcode

Usage

Basic Encryption/Decryption

const { encrypt, decrypt } = require('tamimhardcode');

// Encrypt text
const encrypted = encrypt("Your secret message");
console.log(encrypted); // Base64 encoded encrypted data

// Decrypt text
const decrypted = decrypt(encrypted);
console.log(decrypted); // "Your secret message"

Using Custom Password

const { encrypt, decrypt } = require('tamimhardcode');

const password = "mySecretPassword123!";
const encrypted = encrypt("Secret data", password);
const decrypted = decrypt(encrypted, password);

Class-based Usage

const { TamimHardcode } = require('tamimhardcode');

const tamim = new TamimHardcode();
const encrypted = tamim.encrypt("My secret");
const decrypted = tamim.decrypt(encrypted);

File Encryption/Decryption

const { encryptFile, decryptFile } = require('tamimhardcode');

// Encrypt a file
encryptFile('secret.txt', 'secret.txt.tamim');

// Decrypt a file
decryptFile('secret.txt.tamim', 'decrypted.txt');

License Verification

const { isLicensed, getInfo } = require('tamimhardcode');

console.log('Licensed:', isLicensed());
console.log('Package Info:', getInfo());

Security Features

1. Installation Verification: The package checks if it's properly installed via npm
2. Machine Binding: Encrypted data can only be decrypted on the same machine
3. License Protection: Built-in license verification system
4. Secure Key Derivation: Uses PBKDF2 with 100,000 iterations
5. Authentication: Uses GCM mode for authenticated encryption

Error Handling

The package throws descriptive errors for:

• Invalid installation
• License verification failure
• Machine verification failure
• Decryption errors
• File operation errors

Testing

npm test

Demo

npm run demo

License

This package is proprietary software. Unauthorized use, distribution, or modification is prohibited.

Author

Created by Tamim

⚠️ Important: This package requires proper installation via npm to function. Direct file copying will not work due to built-in protection mechanisms.