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Authorization Widget

Create Signature​

A. Sort ascending parameter name​

{ 
  "requestType": "getToken", 
  "phoneNumber": "081286288844", 
  "reqDtime": "20181127182011", 
  "transNumber": "20181234567890" 
}

Result:

1. phoneNumber 
2. reqDtime 
3. requestType 
4. transNumber

B. Join all parameters​

08128628884420181127182011getToken20181234567890

C. Hash Using hash_mach sha256 with keysignature​

keysignature is hexa from secret key 
secretkey : e4siErApPs2020 
keysignature : 6534736985724170507332303230

D. Convert to uppercase, result of point C​

55C9AF15C92408C32211894070BAIEC02C2C17BEAD626934F6IC0IA3117A05CF

Code example to generate signature​

function signature($array, $kunci){ 
  unset($array["signature"]); 
  ksort($array); 
  $output = ""; 
    foreach($array as $key => $val){ 
      $output .= $val; 
    } 
  $output = hash_hmac("sha256", $output, strToHex($kunci)); 

return strtoupper($output); 
}