Node Firebase Scrypt

NodeJs implementation of Firebase's Scrypt modified version

Warning

This module work only with users exported with Firebase Tools CLI and the command auth:export. Others way to gets users (Admin SDK, etc.) will give you an incompatible hash.

Table of Contents

• Install
• Usage
  • Initialisation
  • Hash
  • Verify
• Test

Install

To install, run :

npm i firebase-scrypt

Usage

Firebase parameters

Go to Firebase to get your hash parameters. To access these parameters, navigate to the 'Users' tab of the 'Authentication' section in the Firebase Console and select 'Password Hash Parameters' from the drop down in the upper-right hand corner of the users table.

Initialisation

import { FirebaseScrypt } from 'firebase-script'

const firebaseParameter = {
  memCost: 1, // replace by your
  rounds: 1, // replace by your
  saltSeparator: 'your-separator', // replace by your 
  signerKey: 'your-key', // replace by your
}

const scrypt = new FirebaseScrypt(firebaseParameters)

Hash

[...]

const password = "test"
const salt = "salt"

scrypt.hash(password, salt)
  .then(hash => console.log(hash))

Verify

[...]

const password = "test"
const salt = "salt"
const hash = "PrZI5nfqjOEk"

scrypt.verify(password, salt, hash)
  .then(isValid => isValid ? console.log('Valid !') : console.log('Not valid !'))

Test

To test, run :

npm run test