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中文摘要：
针对现有秘密共享方案存在的缺陷,基于RSA加密体制和离散对数难题,提出了一个可验证的动态门限多重秘密共享方案。该方案能够实现多重秘密共享,灵活地更新群组密钥,动态地加入新的参与者。在方案的实现过程中,能及时检测和识别SD对参与者以及参与者之间的欺骗,从而提高了重构秘密的成功率和方案的效率,因而有较高的安全性和实用性。
英文摘要：
In order to deal with the problems of existing secret sharing schemes,this paper proposed a dynamic threshold secret sharing scheme based on RSA cryptographic system and discrete logarithm problem.In this scheme,multi-secret could be shared.The shadows needn＇t be changed when the shared secret was renewed or new participants were added.Moreover,proposed the efficient solutions against multiform cheating,therefore the scheme was highly security and practicality.
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