Forgeability of Wang-Zhu-Feng-Yau’s attribute-based signature with policy-and-endorsement mechanism

Ge, Ai-Jun, Huang, Xin-Yi, Chen, Cheng, Ma, Chuan-Gui and Zhang, Rui 2013, Forgeability of Wang-Zhu-Feng-Yau’s attribute-based signature with policy-and-endorsement mechanism, Journal of computer science and technology, vol. 28, no. 4, pp. 743-748, doi: 10.1007/s11390-013-1372-y.

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Title Forgeability of Wang-Zhu-Feng-Yau’s attribute-based signature with policy-and-endorsement mechanism
Author(s) Ge, Ai-Jun
Huang, Xin-Yi
Chen, Cheng
Ma, Chuan-Gui
Zhang, Rui
Journal name Journal of computer science and technology
Volume number 28
Issue number 4
Start page 743
End page 748
Total pages 6
Publisher Springer-Verlag
Place of publication Berlin, Germany
Publication date 2013-07
ISSN 1860-4749
Keyword(s) attribute-based signature
existential unforgeability
Summary Recently, Wang et al. presented a new construction of attribute-based signature with policy-and-endorsement mechanism. The existential unforgeability of their scheme was claimed to be based on the strong Diffie-Hellman assumption in the random oracle model. Unfortunately, by carefully revisiting the design and security proof of Wang et al.’s scheme, we show that their scheme cannot provide unforgeability, namely, a forger, whose attributes do not satisfy a given signing predicate, can also generate valid signatures. We also point out the flaws in Wang et al.’s proof.
Language eng
DOI 10.1007/s11390-013-1372-y
Field of Research 109999 Technology not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2013, Springer
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Document type: Journal Article
Collection: School of Information Technology
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