A method and system to allow multiple users of a client computer to establish a secure connection for each of the multiple users between the client computer and a server computer. Each user is allowed to unlock a keyfile unique to that user. The unique keyfile is able to authenticate the user's identity...http://www.google.com/patents/US7139918?utm_source=gb-gplus-sharePatent US7139918 - Multiple secure socket layer keyfiles for client login support
