Volume 6 Number 10 (Oct. 2011)
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JSW 2011 Vol.6(10): 1890-1897 ISSN: 1796-217X
doi: 10.4304/jsw.6.10.1890-1897

Provably Security Identity-based Sanitizable Signature Scheme without Random Oracles

Yang Ming1, Xiaoqin Shen2, Yamian Peng3

1School of Information Engineering, Chang’an University, Xi’an 710064, China
2School of Sciences, Xi’an University of Technology, Xi’an 710054, China
3College of Science, Hebei Polytechnic University, Tang Shan 063009, China


Abstract—A sanitizable signature scheme is a signature which allows a semi-trusted party called sanitizer to hide parts of the original message after the message is signed, without interacting with the signer. A verifier can confirm the integrity of disclosed parts of the sanitized document from the signature. Sanitizable signatures are quite useful in governmental or military offices, where there is a dilemma between disclosure requirements of documents and private secret. In this paper, we give a formal definition and secure model of identity-based sanitizable signature by combining identity-based cryptography and sanitizable signature. Motivated by Waters’ signature scheme, we present an identity-based sanitizable signature scheme without random oracles (in the standard model) using bilinear pairing. Finally, security analysis shows that our proposed scheme satisfies all the security requirements.

Index Terms—identity-based signature, sanitizable signature, random oracle, bilinear pairing, security

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Cite: Yang Ming, Xiaoqin Shen, Yamian Peng, "Provably Security Identity-based Sanitizable Signature Scheme without Random Oracles," Journal of Software vol. 6, no. 10, pp. 1890-1897, 2011.

General Information

ISSN: 1796-217X (Online)
Frequency:  Quarterly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, CNKIGoogle Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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