对基于Decisional Diffie-Hellmen 假设计算安全的分布式密钥分发方案进行改进,在其基础上利用可验证秘密共享和知识证明,提出一种健壮的计算安全的分布式密钥分发方案,以抵抗主动攻击,从而具有更高的安全性。 关键词:分布式密钥分发;计算安全;健壮性;可验证的秘密共享;知识证明 Abstract:In this paper, by the combined use of verifiable secret sharing and knowledge proof,we build a robust and computationally secure Distributed Key Distribution Scheme based onthe assumption of a Decisional Diffie-Hellmen problem.The scheme prevents from the action ofan active adversary. Key Words: distributed key distribution; computationally secure; robust; verifiable secret sharing; knowledge proof