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Validating Windows Store purchases for your app - PowerPoint PPT Presentation


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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

Validating Windows Store purchases for your app

Alwin Vyhmeister

Senior Program Manager

3-126

slide3

$

¥

  • Why validate purchases?

£

validations built in to windows
Validations built in to Windows
  • App integrity validation.
  • App license validation.
  • Runtime validation.
licensing improvements in windows 8 1
Licensing improvements in Windows 8.1
  • Better license sync.
  • Consumable in-app purchases.
  • Increased the PC limit.
repairing non genuine apps
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.
offline purchase validation inside the app
Offline purchase validation – inside the app

Store Services

  • Do purchase.
  • Check license state offline.

1

Store APIs

LicenseCache

2

App

slide12
Did they purchase the in-app offer?
  • Is my app running sideloaded?

http://aka.ms/WinRT-LicensingSample

purchase validation with receipts
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

slide16
Basic proof of purchase validation.
  • Detect replays of old receipts.
  • Do PC activation to limit sharing.

http://aka.ms/WinRT-ReceiptValidation

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