A Mobile Trading Scheme for Digital Content Based on Digital Rights

To support users' purchase of digital content over a mobile network, a mobile trading scheme for digital content based on the digital rights concept is proposed in this paper. Based on our proposed mobile trading scheme, not only can content providers transmit authorized digital content to service providers according to predefined contracts, but consumers can also purchase digital content through their telecommunication companies via mobile personal devices, and the purchasing costs can be charged by the telecommunication companies. The proposed scheme supports mobile users' purchase of digital content in both the home domain and any visited domain. Moreover, the proposed scheme provides authentication, non-repudiation and confidentiality properties and makes sure the obligations and rights of participants are not violated.