Cryptanalysis of an ID-based Blind Signature Scheme

Tan, Syh Yuan (2014) Cryptanalysis of an ID-based Blind Signature Scheme. In: Conference Proceedings - Cryptology 2014: Proceedings of the 4th International Cryptology and Information Security Conference 2014. Institute for Mathematical Research (INSPEM), pp. 65-69. ISBN 978-983440694-3

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Official URL: http://einspem.upm.edu.my/cryptology2014/

Abstract

In 2010, Rao et al. proposed an identity-based blind signature scheme based on bilinear pairings. The proposed scheme is claimed to have achieved blindness and also secure against unforgeability in the generic proofs. In this paper, we show that the security claim is invalid where the IBBS does not achieve blindness, though the signature is unforgeable. To be precise, the signer can link a blinded message to the corresponding signature signed for a user.

Item Type: Book Section
Additional Information: 4th International Cryptology and Information Security Conference 2014, Cryptology 2014; Putrajaya; Malaysia; 24 June 2014 through 26 June 2014
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Information Science and Technology (FIST)
Depositing User: Ms Nurul Iqtiani Ahmad
Date Deposited: 08 Apr 2015 05:15
Last Modified: 08 Apr 2015 05:15
URI: http://shdl.mmu.edu.my/id/eprint/6158

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