totp-wasm

HOTP(RFC 4226) & TOTP(RFC 6238) & Steam Guard TOTP

Demo

https://totp-wasm.vercel.app

Usage

Deno

import {
  totp,
  init,
  wasm_data,
} from 'https://deno.land/x/totp_wasm/deno/mod.ts'

await init(wasm_data)
const code = totp('GM4VC2CQN5UGS33ZJJVWYUSFMQ4HOQJW', 1662681600, 6, 30)
console.log(code)
// 473526

Browser

example

Node.js

example

Bun

example

Build

Prerequisites

• Rust
• Node.js

rustup target add wasm32-unknown-unknown
cargo install --version=0.2.86 wasm-bindgen-cli
pnpm install
node scripts/build.mjs

Runing examples

cd examples/browser
pnpm install
pnpm dev

Related Projects

Here are some related projects that you may find useful:

• totp-wasm-zig: Zig implementation of this project.
• UdonOTPLib: C# implementation for the VRChat game.

License

Code is distributed under MIT license, feel free to use it in your proprietary projects as well.