A wireless-based authentication and anonymous channels for large scale area

Network technology that can support user mobility has prompted anonymous requirement. We describe an efficient anonymous channel protocol for large scale area in wireless communications. With the e-service it is expected that in the near future, portable communications systems will provide many applications in e-commerce. However, on a large scale area, the transaction data and handoff events are very large. Our mobile user uses an anonymous channel ticket without connecting to the home domain, and visit domain authentication for the mobile user without any information form home domain, so our method is suitable for a large scale area. We can also reduce the computational cost in the anonymous channel ticket authentication phase.

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