GitHub - wuyanxin/totp.js:

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🎲TOTP(Time-based one-time password) generator, support for Google Authenticator http://t.cn/RnaSS4n

JavaScript

JavaScript 100.0%

Permalink

Name	Latest commit message	Commit time
Failed to load latest commit information.
demo	📝Update readme	Mar 22, 2018
dist	✨build for browser	Mar 22, 2018
lib	✨build for browser	Mar 22, 2018
test	📝generate url for google authenticator	Mar 22, 2018
.gitignore	🎉 implementation of HOTP	Mar 21, 2018
.npmignore	🎉 implementation of HOTP	Mar 21, 2018
.travis.yml	✅add travice ci support	Mar 21, 2018
LICENSE	📝Add how-to and domo	Mar 22, 2018
README.md	📝Update readme	Mar 22, 2018
index.js	📝generate url for google authenticator	Mar 22, 2018
package.json	📝generate url for google authenticator	Mar 22, 2018
webpack.config.js	✨build for browser	Mar 22, 2018

Two-factor authentication implementation in pure javascript. One-time password generator (HOTP/TOTP) with support for Google Authenticator.

Live Demo

Preview

Demo

Getting Started

Install

npm i totp.js

Node.js

const TOTP = require('totp.js');

// generate a base32 secret key
const key = TOTP.randomKey();
// 'GAXGGYT2OU2DEOJR'

const totp = new TOTP(key);
const code = totp.genOTP();
// '552179'
totp.verify(code)
// true

// generate Google Authenticator supported URL
totp.gaURL('[email protected]', 'Totp.js')
// 'otpauth://totp/[email protected]?issuer=Totp.js&secret=GAXGGYT2OU2DEOJR'

// OR
const totp2 = new TOTP(TOTP.base32.encode('your key'));
totp2.genOTP()

For Browser

<script src="./dist/totp.min.js" />
<script>
  var key = TOTP.randomKey();
  var totp = new TOTP(key);
  console.log(totp.genOTP());
</script>