Initialization request is an HTTP POST request to * http://m.eu.mobileservice.blizzard.com/enrollment/enroll.htm (Europe) (old) * http://m.us.mobileservice.blizzard.com/enrollment/enroll.htm (North America) (old) * http://mobile-service.blizzard.com/enrollment/enroll.htm (new) with Content-type "application/octet-stream". The plaintext of the request has the following format: The plaintext is then encrypted with RSA-1024 (upper bytes of the RSA-block are padded with zeros). The modulus is