code: def to_p1363(self):
          
  
          r_bytes = int_to_bytes(self['r'].native)
          s_bytes = int_to_bytes(self['s'].native)
  
          int_byte_length = max(len(r_bytes), len(s_bytes))
          r_bytes = fill_width(r_bytes, int_byte_length)
          s_bytes = fill_width(s_bytes, int_byte_length)
  
          return r_bytes + s_bytes
docs: Dumps a signature to a byte string compatible with Microsoft's
          BCryptVerifySignature() function.
  
          :return:
              A byte string compatible with BCryptVerifySignature()