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2013 (Vol. 5, Issue: 03)
Article Information:

“Untraceability” Analysis of Two ID-Based Proxy Blind Signature from Bilinear Pairings

Hua Chen, Jianhua Chen, Guangxing Cai and Aihua Luo
Corresponding Author:  Aihua Luo 

Key words:  Cryptanalysis, ID-based cryptograph, proxy blind signature, untraceability, , ,
Vol. 5 , (03): 1054-1058
Submitted Accepted Published
June 29, 2012 July 28, 2012 January 21, 2013

“Untraceability” is an important property of Proxy blind signature. Zhang proposed some new untraceable blind signatures in order to enhance the security of Cai et al. (2007) and Hu et al. (2007)’s schemes. However, this study shows there are three important conclusions: 1. By reduction, we prove that the cryptanalysis method proposed by Zhang is improper and Cai et al. (2007)’s schemes does satisfy the property of untraceability; 2. On that basis, we pinpoints a new analysis method of untraceability which has effectively proved that Hu et al. (2007)’s scheme doesn’t satisfy the property of untraceability. Furthermore, the method can be used as a standard method which could analyze other schemes related with blind signature; 3. Zhang’s scheme is unpractical since the cost of the scheme is higher compared with Cai et al. (2007)’s scheme.
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  Cite this Reference:
Hua Chen, Jianhua Chen, Guangxing Cai and Aihua Luo, 2013. “Untraceability” Analysis of Two ID-Based Proxy Blind Signature from Bilinear Pairings.  Research Journal of Applied Sciences, Engineering and Technology, 5(03): 1054-1058.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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