An efficient non-repudiation protocol

Jianying Zhou, D. Gollmann
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引用次数: 182

Abstract

Fairness may be a desirable property of a non-repudiation service. Protocols can achieve fairness through the involvement of a trusted third party but the extent of the trusted third party's involvement can vary between protocols. Hence, one of the goals of designing an efficient non-repudiation protocol is to reduce the workload of the trusted third party. In this paper, we present a variant of our fair non-repudiation protocol (1996), where the trusted third party is involved only in the case that one party cannot obtain the expected non-repudiation evidence from the other party. This variant is efficient in an environment where the two parties are likely to resolve communications problems between themselves.
一个有效的不可否认协议
公平性可能是不可否认服务的理想属性。协议可以通过可信第三方的参与来实现公平性,但可信第三方参与的程度在协议之间可能有所不同。因此,设计有效的不可否认协议的目标之一是减少受信任第三方的工作量。在本文中,我们提出了公平不可否认协议(1996)的一种变体,其中仅在一方无法从另一方获得预期的不可否认证据的情况下才涉及可信第三方。这种变体在双方可能解决彼此之间的通信问题的环境中是有效的。
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