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The existing storage schemes cannot provide the secure mechanism to ensure the trust data integrity in distributed environments. Based on a bilinear mapping, a certificateless signature scheme was proposed and implemented in this paper, and it was introduced into trust management system to realize the distributed secure trust data storage, solving such problems as destruction of trust integrity, failure to get trust information, and failure of trust updating, due to the offline of local storage nodes. Performance analysis shows that the new distributed trust storage scheme effectively achieves secure trust storage with relatively low overhead. |
