Zero dependencies 🔐 Node/Browser module for TOTP and HOTP generator based on RFC 6238 and RFC 4226 🗝️
generate TOTP
import { generateTOTP } from "one-time-pass";
(async () => {
const defaultOptions = {
hash: 'sha-1',
timeStep: 30, // epoch interval
digits: 6,
timestamp: Date.now()
}
const code = await generateTOTP("key", defaultOptions?);
console.log(code);
})();generate HOTP
import { generateHOTP } from "one-time-pass";
(async () => {
const counter = 14653
const hash = 'sha-1'
const digits = 6
const code = await generateHOTP("secretKey", counter, hash, digits);
console.log(code);
})();Or include it via jsDelivr CDN (UMD):
<script src="https://cdn.jsdelivr.net/npm/one-time-pass/dist/index.umd.js"></script>
<!-- Access via global object : window.OTP -->
window.OTP.generateTOTP("key");- All pull requests are welcome, feel free.
GNU GENERAL PUBLIC LICENSE V3