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

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JavaScript
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2019-05-20 16:06:20 +00:00
"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
);
}