Andrew Bancroft • 7/31/2017

Finalizing Receipt Validation in Swift – Computing a GUID Hash

This article is a technical guide for iOS developers on finalizing receipt validation in Swift. It focuses on computing a GUID hash for the app and device, then comparing it to the hash stored in the receipt. The guide assumes prior setup with iTunes Connect and OpenSSL, and provides step-by-step implementation of a validateHash function within a ReceiptValidator struct, including error handling for hash mismatch. It is part of a series on receipt validation and targets developers working with in-app purchases and security.

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#Openssl #Swift #Receipt Validation