The present invention provides systems and methods for electronic commerce including secure transaction management and electronic rights protection. Electronic appliances such as computers employed in accordance with the present invention help to ensure that information is accessed and used only in authorized...http://www.google.fr/patents/US20030191719?utm_source=gb-gplus-shareBrevet US20030191719 - Systems and methods for secure transaction management and electronic rights protection
Systems and methods for secure transaction management and electronic rights ...
