可否认的

In particular,it can be used by certified mail protocol,and based on the scheme a multi-party certified mail protocol is proposed,its fairness and non-repudiation are proved.

本文在已有的两方签密方案的基础上结合组可验证的签密方案，提出了一种新的、可用于多方认证邮件协议的签密方案，进而设计出了异步的一对多的认证邮件协议，并证明了该协议的公平性与非否认性。

Currently all the previous researches about deniability in group key establishment protocols were based on the Random Oracle assumption.

给出了一个标准模型下可证明安全和可证明可否认性的高效的群密钥协商协议，并基于DDH假设和伪随机函数集的存在性假设一同给出了其安全证明和可否认性证明。

Their complex operation and course bring net denizen inconvenience. In addition, it has security risk, for example, the electronic order is not signed and the deal can be denied.

采用电子支付的较多的是银行卡，操作起来非常复杂，同时也存在安全性问题，比如没有对定单签名，交易具有可否认性。

Singaporean always pays much attention to the effect of education and it is not deniable that their morality is good.

新加坡总给予注意对教育的作用并且它不是可否认的他们的道德是好的。

Trusted third party called confirmer is introduced who should finish validating or denying a signature.

同时方案引入了一个半可信任的第三方，完成证实或否认一个签名的功摘要能。

A deniable authentication protocol is proposed in this paper.

提出了一种新的可否认的认证协议。

A definition of an ideal functionality for deniable authentication is formulated.

根据可否认认证的安全目标，形式化地建立了UC安全的并行可否认认证模型。

In 2005, Di Xiao proposed an entire deniable protocol based on chaotic maps, which used chaotic model to a chaotic key exchange scheme and a chaotic hash function.

Di Xiao等人于2005年提出了一种基于混沌映射的可否认认证方案，该方案利用混沌模型分别构造了一个混沌****交换协议和公钥加密以及一个混沌Hash函数。

Coalition members described the abuses as a 'silent holocaust' because the weapons deployed are so poorly publicised, and because individuals are dying as a result of deployments of directed energy weapons, and other deniable abuses of human rights that were also discussed during the conference.

联合的成员把这种虐待描述为一种&沉默的屠杀&，因为武器的配置很少被公开，并且受害者会被这种定向能武器致死，以及其他可否认的对人权的侵害，也在会议期间被讨论。

Victims are systematically, continuously, and deniably tortured.

受害者被系统地，持续的，以及可否认的折磨着。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。