repudiation，英语单词，主要用作名词，作名词时译为“否认，拒绝；抛弃，断绝关系”。

implied repudiation 默示废止

Contract repudiation 拒绝履行合同

repudiation contract 毁约

Like Repudiation 想赖账

recourse repudiation 拒绝偿还 ; 拒绝追索 ; 否定追索权 ; 拒绝偿还债务

Anticipatory Repudiation 预期拒绝履行 ; 先期违约

not repudiation 非否认

total repudiation 全盘否定

One of the mediations provided by the gateway can be to log the inbound message in its secured state, thus facilitating non-repudiation.网关提供的中介之一可以用于记录处于安全状态的入站消息，从而实现不可否认性。

Because the sender's private key is used for signing (integrity and non-repudiation), we don't have to change the way we use PKI for that component of the security.由于发送方的私钥用于签名(确保完整性和不可否认性)，因此我们需要更改我们对安全组件使用PKI的方式。