Fixed format key

HRCEncryptor.php

@@ -13,11 +13,10 @@ class HRCEncryptor
     {
         $reverse = 0;
         $n = $key;
-        while ($n > 0)
+        while ($n > 0) {
-        {
             $reverse = $reverse * 10;
-            $reverse = $reverse + $n%10;
+            $reverse = $reverse + $n % 10;
-            $n = (int)($n/10);
+            $n = (int)($n / 10);
         }
 
         return pow(($key + $reverse), 2);
@@ -25,7 +24,8 @@ class HRCEncryptor
 
     public static function key($key)
     {
-        while(strlen($key) < 32) {
+        $key = self::format($key);
+        while (strlen($key) < 32) {
             $key .= $key;
         }
 
@@ -53,8 +53,8 @@ class HRCEncryptor
         ksort($fields);
 
         $params = [];
-        foreach($fields as $key => $value) {
+        foreach ($fields as $key => $value) {
-            if($key != 'signature') {
+            if ($key != 'signature') {
                 $params[] = $key . '=' . $value;
             }
         }
@@ -64,4 +64,4 @@ class HRCEncryptor
         return $check == $signature;
     }
 
-}
+}