Encryption Procedures

  • Construct a Query String (QS) with required parameters (including the web service method name itself (e.g. method=RegUserInfo)
  • DES encrypt the Query String with the supplied EncryptKey and obtain the encrypted query string (q)
  • Build an MD5 hash according to (QS) and other parameters to form a signature (s)
  • Use HTTP POST request to call the web service.
  • Obtain the resulting XML response.

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