Drulapp (Drupal Login App)generates auth code similar to OTP based on rfc6238 to login into website built on Drupal CMS. Website must have Drulapp module installed from https://drulapp.org and configured properly to support 2step authentication.
- Both SSL and Non-SSL methods are supported. - Works offline until account's validity time expires. - Crucial data to/from phone/server is Encrypted using Sha256. - Can add Multiple domain with multiple accounts.
Limitations - Login with only email oppose to Drupal where it allows only username by default
TODO - Local notification alert for expired accounts.