Tutorial

This can be verified by using the below public key 

NOTE: This code is contributed by Geodesic team and is available on as-is basis. Sample C application to test Aadhaar authentication can be downloaded from here. 

A sample C client with source code is provided to help the community rapidly develop applications that use Aadhaar authentication. This sample application is written in C for the GeoAmida device and it demonstrates various features of Aadhaar authentication. This application is provided on an "AS-IS" basis and should not be considered as a supported, production strength software. This chapter covers details about downloading and setting up development environment.

When you download the source distribution from the link above, you get "c-auth-client-source-1.5.zip". Please follow steps below to setup the client as a development environment. These directions are for Linux OS and ARM devices. If you are using Windows or other OS, you may make appropriate modification to the instructions below. 
Unzip "c-auth-client-source-1.5.zip" into a directory. You should now see a directory named "c-auth-client-source-1.5" there 
Navigate to "c-auth-client-source-1.5" directory. You should see the following listing.