On Waters' Signature Scheme

Chik-How TAN  

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E89-A   No.10   pp.2684-2685
Publication Date: 2006/10/01
Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e89-a.10.2684
Print ISSN: 0916-8508
Type of Manuscript: Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Cryptography
Keyword: 
cryptography,  signature,  key substitution attacks,  

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Summary: 
Recently, Waters proposed a provably secure signature schemes in the standard model. In this letter, we analyse the security of this signature scheme. We found that the signature scheme is subjected to key substitution attack and is malleable.