Hash Fingerprint

A simple library to generate a unique fingerprint based on browser and OS information, and custom data using hashing (SHA-256).

Installation

To install the package, run:

npm install hash-fingerprint

## Usage

Import the library

import { generateFingerprint } from 'hash-fingerprint';

// Basic usage with browser and OS info
const fingerprint1 = generateFingerprint();
console.log(fingerprint1); // Outputs the hashed fingerprint

// Usage with custom data and no OS info
const fingerprint2 = generateFingerprint({
  useOSInfo: false,
  customData: { user_id: '12345', session_id: 'abcde' }
});

## options
interface FingerprintOptions {
    useBrowserInfo?: boolean; // Whether to include browser info
    useOSInfo?: boolean;      // Whether to include OS info
    customData?: Record<string, any>; // Additional custom data
}

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT# hash-fingerprint