A method, apparatus and computer program product for authenticating a pharmaceutical product is provided. A holder of a long interest in a cleared loan deliverable futures contract may agree to pay a principle amount, at a designated future settlement time, in return for subsequent repayment of that amount with interest. A danger level is calculated based on parameters such as speed and distance to the object; the danger level could be at an emergency level or at some lower level. The steps of converting into the plaintext m include a step of multiplying the plaintext u by the integer s. The interfaces are connected through flexible attachments to an array of first connector modules.