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Validating Windows Store purchases for your app

Validating Windows Store purchases for your app. Alwin Vyhmeister Senior Program Manager 3-126. $. ¥. Why validate purchases?. ₹. €. £. What validation is done by Windows?. Validations built in to Windows. App i ntegrity validation. App license validation. Runtime validation.

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Validating Windows Store purchases for your app

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  1. Validating Windows Store purchases for your app Alwin Vyhmeister Senior Program Manager 3-126

  2. $ ¥ • Why validate purchases? ₹ € £

  3. What validation is done by Windows?

  4. Validations built in to Windows • App integrity validation. • App license validation. • Runtime validation.

  5. Licensing improvements in Windows 8.1 • Better license sync. • Consumable in-app purchases. • Increased the PC limit.

  6. Repairing non-genuine apps • The app’s tile is marked on the Start menu. • The app won’t launch. • Go to the Store to fix it.

  7. Offline purchase validation.

  8. Offline purchase validation – inside the app Store Services • Do purchase. • Check license state offline. 1 Store APIs LicenseCache 2 App

  9. Did they purchase the in-app offer? • Is my app running sideloaded? http://aka.ms/WinRT-LicensingSample

  10. Purchase validation with receipts.

  11. Purchase validation with receipts App’s services Store services • Do purchase and get a receipt. • Send the receipt to your service. • Validate the receipt signature. 3 1 2 Store APIs Licensecache App

  12. Modify app behavior when non-genuine

  13. Basic proof of purchase validation. • Detect replays of old receipts. • Do PC activation to limit sharing. http://aka.ms/WinRT-ReceiptValidation

  14. Validate purchases • Give customers what they paid for. • Protect your app investment. • Protect your service from non-genuine use.

  15. Resources • Store API sample app. • http://aka.ms/WinRT-LicensingSample • Using receipts to verify purchases. • http://aka.ms/WinRT-ReceiptValidation • Using the application specific hardware Id. • http://aka.ms/WinRT-ASHWID

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