Patent attributes
The present disclosure relates to credential management for mobile devices that can be used for access to secured physical environments. One aspect comprises a computer implemented method comprising a mobile computing device: receiving, from a server system, and storing, on the mobile computing device: one or more application sequence counter values, one or more limited use credentials (LUCs), each LUC being bound to a corresponding one of the application sequence counter values; one or more emergency credentials, and an account token; subsequently receiving an authentication request from a terminal; in response to receiving the authentication request, determining that no LUC is available for fulfilling the request; and in response to determining that no LUC is available for fulfilling the request: transmitting, to the terminal, the account token and an application cryptogram generated from an emergency credential of said one or more emergency credentials; and updating a current application sequence counter.
