US Patent 9215223 Methods and systems for secure identity management

A method for authorizing a virtual identity using an access device may include sending, from an access device, a request to a resource through a network. The method may also include accessing a resource challenge that is acceptable to the resource and sending the resource challenge to an identity repository. The method may additionally include receiving, from the identity repository, a first signed resource challenge and signing the resource challenge to generate a second signed resource challenge. The method may further include sending an authorization for the virtual identity to the resource through the network. The authorization may include the first signed resource challenge and the second signed resource challenge.