Content Approval Systems with Expansions of a New Pair-Connected-Structured Aggregate Signature Scheme

Masaki Inamura and Keiichi Iwamura
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Masaki Inamura: Department of Electrical Engineering, Graduate School of Engineering, Tokyo University of Science, Tokyo, Japan
Keiichi Iwamura: Department of Electrical Engineering, Graduate School of Engineering, Tokyo University of Science, Tokyo, Japan

International Journal of E-Entrepreneurship and Innovation (IJEEI), 2013, vol. 4, issue 2, 15-37

Abstract: In this study, the authors propose new aggregate signature schemes with pairing-based cryptography that can describe the pair-connected structure of signers and examples of new content approval systems with these schemes. Existing structured signature schemes are based on multisignature schemes, which are adapted for verification of a structure if all signers sign the same document. However, if each signer wants to sign a document different from those of other signers, another scheme that is based on an aggregate signature scheme is required. To resolve the above problem, a denoted connective signature is generated in this scheme and can be adapted for verification of variant structures with its expansion. In addition, the authors show examples of effective content approval systems, which can be realize with verifying not only who signs but also which division each of signers belongs to.

Date: 2013
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