Method and system of license interaction and recovering after its interrupting

摘要

A method for license interaction and interaction recovery after interruption overcomes the problems of mobility loss and waste of rights of the license due to interruption of communication during the license interaction. This method includes: when license information is exchanged between a first device and a second device interact, both devices record the interaction related information; after the interaction is interrupted and the connection is re-established, the first device and the second device continue the interaction when determining that the interaction is uncompleted according to the recorded information. A communication device and a digital rights management (DRM) system are also disclosed.