收方不可否认签名技术的研究

RESEARCH OF UNDENIABLE DIGITAL SIGNATURE

提出了一种新的基于消息恢复数字签名的收方不可否认签名方案 ,并对该方案的安全性进行了分析 .另外 ,还指出了一些收方不可否认方案中存在的缺陷 .

In this paper, the author presented a new digital signature scheme, which cannot be denied by the receiver, based on the message recovery signature scheme and analyzed the security of the new scheme. Some drawbacks in some current undeniable signature schemes were pointed out.