I apologize, I am new to this and assume that I will mix some terms up.
I am trying to setup Google clientLogin and I am worried about sending my private information
It is an https connection. Meaning all data is encrypted.
https is: HyperText Transfer Protocol Secure
Just make sure the certificate is correct.
The certificate makes sure that the other end of the line is who you think it is.
For more info check out:
http://en.wikipedia.org/wiki/HTTPS