About 1 in 3-4 times the ValidateGooglePlayPurchase fails with Invalid Signature, yet works fine the rest of the time. I'm using a google test account, but am naturally reluctant to release this as it would be bad if customers experienced this.
This happens when purchasing the same item over and over, or by switching around different items. I can't see any difference between the two.
Any ideas why this would fail so frequently?
Thanks.
As I read in this question, you may need to get the original reciept returned.. ? @Brendan
https://community.playfab.com/questions/21777/validategoogleplaypurchase-invalid-signature.html
Yes, that's correct. If the response is "Invalid Signature", either the signature was changed (unlikely), or else the elements of the receipt were modified in some way before being sent to us for validation. Even re-ordering the KVPs in the JSON data would impact the signature calculation - the receipt should be exactly the same as what Google sent to the client.
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