the API for WeChat background information service platform municate with this design. munication subsystem of two parts, the first part is the Token and WeChat background verification. The second part is on the interpretation of the data and encapsulation. Token validation process is divided into two steps: 1. WeChat background at the time of sending data, will be extra with three parameters: the signature, noce and timestamp. The timestamp is the time stamp; noce is a randomly generated number. Signature is the Token, noce and timestamp generated after the irreversible SHA1 encryption string; Р2. Receive WeChat backend sent three parameters, the same Token, timestamp and noce SHA1 confidential, if the string and send over the signature of the same, authentication is passed, the munication
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