undeniable signature

基本解释

How to produce an undeniable mobile digital signature?
如何构造不可抵赖的移动数字签名?。
Undeniable Signature is a kind of special signature that cannot be verified without interacting with the signer.
不可否认签名是一种需要签名方参与才能对签名的有效性进行验证的特殊数字签名。
For example, in a robust electronic payment system, blind signature, undeniable signature, and multi-signature should be all indispensable.
例如，在一个健全的电子付款系统中就可能同时需要用到盲签名、不可否认签名以及多人签名技术。

He would rather Americans forget about his signature accomplishment because today it is a massive, undeniable failure, and a heap of broken promises.
WHITEHOUSE: Press Briefing