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arXiv cs/0504019cs.CR
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高效的可公开验证的认证加密方案

Efficient Authenticated Encryption Schemes with Public Verifiability

Guilin Wang, Feng Bao, Changshe Ma, Kefei Chen

摘要:

认证加密方案允许同时对消息进行加密和认证。2003年,Ma和Chen提出了这样一个具有公开可验证性的方案。也就是说,在他们的方案中,接收者可以有效地向第三方证明消息确实来自特定的发送者。在本文中,我们首先发现两个安全漏洞的马-陈认证加密方案。然后,基于Schnorr签名,我们提出了一个有效的和安全的改进方案,使所有预期的安全性要求得到满足。

英文摘要:

An authenticated encryption scheme allows messages to be encrypted and authenticated simultaneously. In 2003, Ma and Chen proposed such a scheme with public verifiability. That is, in their scheme the receiver can efficiently prove to a third party that a message is indeed originated from a specific sender. In this paper, we first identify two security weaknesses in the Ma-Chen authenticated encryption scheme. Then, based on the Schnorr signature, we proposed an efficient and secure improved scheme such that all the desired security requirements are satisfied.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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