Use mt_rand instead of random_int to generate random strings

since no cryptographically secure random number generator is required

#934

app/Services/KeyGeneratorService.php

@@ -66,7 +66,7 @@ public function getBytesFromString(string $alphabet, int $length): string
 
             $result = '';
             for ($i = 0; $i < $length; $i++) {
-                $result .= $alphabet[random_int(0, $stringLength - 1)];
+                $result .= $alphabet[mt_rand(0, $stringLength - 1)];
             }
 
             return $result;