ios7 - In iOS 7, how to extract the values of Receipt Fields from the In-App Purchase receipts? -
i know in ios 7, app's receipt , in-app purchase receipts combined encrypted format structure shown here , automatically written storage. i know receipt(s) have fields, documented here . i know how retrieve receipt combo calling appstorereceipturl . i know how validate receipt passing apple servers either directly or via own server. but how parse receipt extract fields? i need kind of identifier each of possible in-app purchases record user's ownership in way can verify repeatedly later. if send receipt apple validation, json structure receipt fields. asking how parse json structure?