A system and method links first and second computers of a network to implement a single sign on feature. The first computer generates a link request having a plaintext component and a hashed component. The plaintext component includes an identifier associated with the first network computer and information...http://www.google.cl/patents/US8209541?utm_source=gb-gplus-sharePatent US8209541 - Method and system for single sign-on for multiple remote sites of a computer network
