单向函数假设下基于身份的陷门水银承诺

doi:10.3969/j.issn.1001-2400.2015.05.007

Abstract

Abstract:

The notion of identity-based trapdoor mercurial commitment incorporates the advantages of both identity-based trapdoor commitment and trapdoor mercurial commitment. So far, the existing identity-based trapdoor mercurial commitment schemes are based on the strong Diffie-Hellman assumption or computational Diffie-Hellman assumption. One-way function existence is one of the fundamental assumptions in the cryptography. In this paper, we first propose a general construction for identity-based trapdoor mercurial commitment based on the one-way function. Meanwhile, we give a concrete instantiation based on the Boneh-Boyen signature scheme.

Key words: trapdoor mercurial commitment, identity-based cryptosystems, one-way functions

CLC Number:

TP309

ZHANG Wujun;LIU Yuding;GAO Yaqian;SUN Xi;WANG Yumin. ID-based trapdoor mercurial commitment under one-way functions assumptions[J].J4, 2015, 42(5): 38-42.

References

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ID-based trapdoor mercurial commitment under one-way functions assumptions

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