Patent 7890767 was granted and assigned to Aladdin Knowledge Systems on February, 2011 by the United States Patent and Trademark Office.
A public key authentication system and method for use in a computer system having a plurality of users. The system includes a virtual smart card server, storage connected to the virtual smart card server, and a virtual smart card agent connected to the virtual smart card server. The storage includes a plurality of virtual smart cards, wherein each virtual smart card is associated with a user and wherein each smart card includes a private key. The virtual smart card agent authenticates the user and accesses the authenticated user's virtual smart card to obtain the user's private key.