一种新的无单向哈希函数和消息冗余的数字签名方案

2005 5th International Conference on Information Communications & Signal Processing Pub Date : 2005-12-06 DOI:10.1109/ICICS.2005.1689195

Li Kang, Xiaohu Tang

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引用次数: 3

摘要

2004年，Chang等人提出了一种不使用单向哈希函数和消息冗余方案的签名方案。随后，Zhang和Fu等人提出了针对Chang数字签名的伪造攻击，并声称仍然应该使用消息冗余方案来抵抗某些攻击。在这封信中，我们将指出Chang方案的一个致命缺陷，并提出一个新的数字签名方案，该方案既不使用单向哈希函数，也不使用消息冗余方案

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A New Digital Signature Scheme without One-Way Hash Functions and Message Redundancy

In 2004, Chang et al. proposed a signature scheme without employing one-way hash functions and message redundancy schemes. Later, Zhang and Fu et al., presented the forgery attack on Chang's digital signature and claimed that message redundancy schemes should still be used to resist some attacks. In this letter, we will point out a fatal flaw of Chang's scheme and propose a new digital signature scheme, where neither one-way hash functions nor message redundancy schemes are used

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2005 5th International Conference on Information Communications & Signal Processing

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