schott12521

"use strict";

// #############
// Reads data from tag and tries to call Sonos API with spotify URI from tag
// #############

import { NFC, CONNECT_MODE_DIRECT } from '../src/index';
import pretty from './pretty-logger';

const request = require('request');

schott12521

//    blake2b(n || seed, dkLen = 32)
fun deriveKeyFromSeed(seed: String, index: Int) : String {
    val param = Blake2b.Param().setDigestLength(32)
    val blake2b = Blake2b.Digest.newInstance(param)

    val indexBytes = hexStringToByteArray(String.format("%08x", index))

    blake2b.update(hexStringToByteArray(seed))
    blake2b.update(indexBytes)
    val output = blake2b.digest()