Retrieves a session blob required for 'drmHandshake' via albert.apple.com.
Parameters
client
The mobileactivation client
blob
Pointer to a plist_t variable that will be set to the session blob created by the mobielactivation service. The consumer is responsible for freeing the returned object using plist_free().
Returns
MOBILEACTIVATION_E_SUCCESS on success, or an MOBILEACTIVATION_E_* error code otherwise.