SYSTEM AND METHOD FOR USING A PORTABLE SECURITY DEVICE TO CRYPTOGRAPHICALLY SIGN A DOCUMENT IN RESPONSE TO SIGNATURE REQUESTS FROM A RELYING PARTY TO A DIGITAL SIGNATURE SERVICE

摘要

A system, method and computer-readable storage medium with instructions for operating a digital signature server and a portable security device to cooperate to provide digital signature services using a private key stored on the portable security device by delegating to a user's smart card the actual task of digitally signing documents. Other systems and methods are disclosed.