###NPReceiptVerification Drop-in Mac App Store Receipt Verification

By Nick Paulson

###Installation

1. Add this file to your project
2. Change the values of kReceiptBundleVersion and kReceiptBundleIdentifier at the top of NPReceiptVerification.m to your own values. These must be equivalent to CFBundleShortVersionString and CFBundleIdentifier, respectively. (These are found in your Info.plist file)
3. Add libcrypto/Security and IOKit framework

That's it!

###License

This code is released under the MIT License. See LICENSE for more information.

###Thank You Thank you to roddi's ValidateStoreReceipts which I used as an example and some code from. That can be found here.

Also, thank you to Craig Hockenberry for his recommendation on making the app useless after exit(173).