Patent attributes
Disclosed is a bidirectional authorization system, including a first service provision subsystem configured to acquire a first temporary credential of the first service provision subsystem and a second temporary credential of a second service provision subsystem, respectively, send the second and the first temporary credential to the user terminal and the second service provision subsystem, respectively, send the second authorization credential returned by the user terminal to the second service provision subsystem to exchange for a second access token and acquire the second service resources; a second service provision subsystem configured to modify the first temporary credential and send it to the user terminal, send the first authorization credential returned by the user terminal to the first service provision subsystem to exchange for a first access token, and acquire the first service resources; and a user terminal configured to authorize the received second and first temporary credentials, respectively, and return the second and first authorization credentials to the first and second service provision subsystems, respectively. A bidirectional authorization client and a method are also disclosed. The present disclosure can be used to enable clients on both sides to simultaneously access resources of the opposite side.