MD5 Signature Algorithm Example：

Step：

• 1.Sort The Parameter Values In Alphabetical Order From 'a' To 'z'.Signature Is Not Included In The Sorting. Then concatenate The Parameter Values.
• 2.Concatenate The Concatenated Value From Step 1 With The Agreed Secret (key) To Get The FinalString.
• 3.Encrypt FinalString Using MD5 Hexadecimal Encryption。
• 4.Please Confirm The Case Of The Encrypted Value According To The Prompts Of The Relevant Interface.
• 5.Please Contact The ULU Platform Technical Department To Obtain The Secret (key)。

Example Request Parameters：

{
    "orderNo":"GOOGLE1184043905927725057",
    "channelReceipt":"null",
    "gameId":1,
    "uid":"dh62457163",
    "amount":"9.00",
    "currency":"HKD",
    "extraData":"extraData",
    "payChannel":2，
    "signture":"4f065a34cc964a42f87787e2b44935bc"
}

Process

• 1.Parameter Sorting：

  "amount":"9.00",
  "channelReceipt":"null",
  "currency":"HKD",
  "extraData":"extraData",
  "gameId":1,
  "payChannel":2，
  "orderNo":"GOOGLE1184043905927725057",
  "uid":"dh62457163",
  

  • 2.Concatenate Sceret To Generate FinalString：
  • The Secret Example Is：sdijalwd12313

  9.00nullHKDextraData12GOOGLE1184043905927725057dh62457163sdijalwd12313
  

• 3.Encrypt FinalString Using MD5 Hexadecimal Encryption：

  468293A578AC5B11