LoRaWAN-Signal-Mapping/server/Helpers/IdGenerator.mjs

"use strict";

import crypto from './crypto_async.mjs';

/**
 * Generates cryptographically secure random ids.
 * @return	{string}	A crypto-secure random id as a string.
 */
async function get_id_string(length) {
	return (await crypto.randomBytes(length / 1.3333333333333))
		.toString("base64")
		.replace(/\+/g, "-").replace(/\//g, "_")
		.replace(/=/g, "");
}

/**
 * Generates a crypto-secure random id.
 * @return	{number}	A crypto-secure random integer, suitable for use as a random id.
 */
async function get_id_number() {
	return parseInt(
		(await crypto.randomBytes(4)).toString("hex"),
		16
	);
}

export { get_id_string, get_id_number };