A New Chameleon Threshold Signature Based on Bilinear Pairing

Ma Chunbo; He Dake

Journal of Computer Research and Development > 2005 > 42(8): 1427-1430.

Ma Chunbo, He Dake. A New Chameleon Threshold Signature Based on Bilinear Pairing[J]. Journal of Computer Research and Development, 2005, 42(8): 1427-1430.

Citation:

Ma Chunbo, He Dake. A New Chameleon Threshold Signature Based on Bilinear Pairing[J]. Journal of Computer Research and Development, 2005, 42(8): 1427-1430.

Citation:

Ma Chunbo, He Dake. A New Chameleon Threshold Signature Based on Bilinear Pairing[J]. Journal of Computer Research and Development, 2005, 42(8): 1427-1430.

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A New Chameleon Threshold Signature Based on Bilinear Pairing

Ma Chunbo¹,
He Dake²

1(School of Computer and Communication Engineering, Southwest Jiaotong University, Chengdu 610031) 2(Laboratory of Information Security and National Computing Grid, Southwest Jiaotong University, Chengdu 610031)

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Published Date: August 14, 2005

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Abstract

Abstract

Consider the following situations: there are two companies A and B, and they want to communicate with each other over the Internet. In order to generate a secure signature on behalf of the company A, A requires that only enough members in A can generate a valid signature by cooperation. At the same time, company A wants only the designated receiver who can verify the signature. Motivated by this consideration and the necessity of protecting the security of original information, this paper, which combines the sharing secret technology and Chameleon function, presents a new signature based on bilinear pairing. It is only the designated receiver that can verify the signature and can't convince the third party of the valid signature. It is undeniable and when a dispute occurs, the signer can prove the sig

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