INSURANCE SYSTEM

摘要

An insurance system assuring redelivery of permission data delivered electronically. When a user buys the insurance, the user acquires the right to receive redelivery. Thus, it is possible to realize the insurance system for smoothly performing redelivery of a content which has been electronically delivered via a network. Moreover, by receiving redelivery via an insurance service server, management of the redelivery can be performed independently by the insurance server, which can prevent unauthorized redelivery.