Comments on Hwang-Lee-Lai Attack upon Fan-Lei Partially Blind Signature Scheme

Chun-I FAN  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E86-A   No.7   pp.1900-1901
Publication Date: 2003/07/01
Online ISSN: 
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Information Security
partially blind signatures,  electronic cash,  security privacy,  cryptography,  

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In 2002, Hwang, Lee, and Lai presented an attack on the untraceability property of Fan and Lei's partially blind signature scheme. In this letter, their attack is demonstrated as being invalid.