Abstract
Proxy ring signatures allows proxy signer to sign messages on behalf of the original signer while providing anonymity. In this paper, we give the first formal security definitions and notions of proxy ring signatures. Subsequently, we propose a short proxy ring signature scheme, with rigorous security proofs. It is more efficient than the existing proxy ring signature schemes. Finally, we propose a new kind of proxy ring signatures. Existing proxy ring signatures in the literature provide anonymity for proxy signer only. We extend the notion to support anonymity for original signer as well. We give an efficient and secure instantiation of it.
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Li, J., Chen, X., Yuen, T.H. (2007). Proxy Ring Signature: Formal Definitions, Efficient Construction and New Variant. In: Wang, Y., Cheung, Ym., Liu, H. (eds) Computational Intelligence and Security. CIS 2006. Lecture Notes in Computer Science(), vol 4456. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74377-4_57
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DOI: https://doi.org/10.1007/978-3-540-74377-4_57
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