Data signature

Swift Python Json data exchange signature

It has been a very popular self-signed certificate for HTTPS decryption,Then there are a lot of people realize crack of App by modifying Apple's internal purchase receipt。In fact Verified Purchase should be connected to the server App,Server to communicate with Apple's servers,The results are then sent to the App - but a lot of developers (including individual developers and corporate developers) do not bother to go to a special server maintenance,Therefore, the direct use of App and Apple[……]

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