ASION IT-Services GmbH
Lise-Meitner-Str. 1
24941 Flensburg
Tel.: +49 (0) 461 318328-0
Fax: +49 (0) 461 318328-11

Welcome to the support page for the iphone app mobile otp

This page is intended to deliver a little background information for the iphone application "mobile otp", which you can find on the Itunes store:

For general information on the Mobile-OTP algorithm, clients for other platforms as well as server-side software, please visit:

For our German visitors, some general background information regarding one time passwords can be found at:

In order to use the enhanced version of the Mobile-OTP algorithm that is optional in the iphone app, the app will add the devices UDID to the hash as follows:

(whereas the standard is epoch+secret+pin)

Of course the server-side components need to reflect this.

We´ve modified the script so that it handles these changes.

Also available for reference purposes is the original and unmodified version of the script: