Aadhaar Authentication OTP 1.6 and Auth 2.0 support How to compile Aadhaar Authentication for Linux? Answer: 1) It requires openSSL 1.1.0e, and install it in /usr/local/openssl-1.1.0e 2) Go to staging directory and execute following command 2.1) ./configure 2.2) make 2.3) make will generate the binary named "staging_uidai" in src folder How to create distro? Answer: 1) Go to staging folder and run this command - make dist, this will create the distribution in staging directory.