personate
1.However, the weakness of these systems gives illegal users the chance to personate the legal user to login system, consequently cause the legal user lose their interest.
2.An attacking node can personate other nodes through replaying their binding messages, changing the address field to provide wrong return address, and achieving DoS (Denial of Service) attack by replaying binding messages.
3.Chanjoo Chung gave an improved Domingo?s scheme in PKC2000. But there is a security weakness in his registration protocol, namely, any impersonator can successfully personate an honest buyer with the probability ?1/2?. In our paper, a more efficient anonymous digital fingerprinting scheme than the scheme by Domingo is given. This scheme requires only 1 exponential operation for identifying redistributors, which improves the whole scheme?s efficiency.
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