Android in-app purchase server signature verification using php OpenSSL

Question

In an attempt to follow some of the security guidelines for in-app purchase here: http://developer.android.com/guide/market/billing/billing_best_practices.html

I am

Answer 1

Is it possible to use cURL in your PHP script, rather than the stuff built into PHP streams. I've used them before, and have found the problems more rare, and the error messages more verbose.