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 otpverify.sh script so that it handles these changes.
Also available for reference purposes is the original and unmodified version of the script: