@oslojs/otp

Documentation: https://otp.oslojs.dev

A JavaScript library for generating and verifying OTPs by Oslo.

Supports HMAC-based one-time passwords (HOTP) and time-based one-time passwords (TOTP) as defined in RFC 4226 and RFC 6238.

• Runtime-agnostic
• No third-party dependencies
• Fully typed

import { generateTOTP, verifyTOTP } from "@oslojs/otp";

const totp = generateTOTP(key, 30, 6);
const valid = verifyTOTP(totp, key, 30, 6);

Installation

npm i @oslojs/otp

@oslojs/otp

1.1.0

• Add verifyTOTPWithGracePeriod().

1.0.0

• No changes.

0.2.2

• Update README

0.2.1

• Update dependencies.