An Anonymity-Revoking Proxy Signature Scheme

Abstract:

The revocation of delegated rights and anonymity of proxy signer are essential issues of the proxy signature schemes. Based on the bilinear pairings, an anonymity-revoking proxy signature scheme was proposed. In this scheme, when an original signer found that a proxy signer was malicious or the delegation period was expired, he/she could revoke the malicious proxy signer’s signing capability efficiently through a trusted authority. On the other hand, only the signature from delegation of the original signer could be confirmed by the verifier and the identity of the proxy signer could not be known to the verifier. In appearing of disputation, the verifier could reveal the real identity of the proxy signer with the help of the original signer. This scheme can protect not only the original signer’s benefit but also the proxy signer s privacy.

• Periodical: Applied Mechanics and Materials (Volumes 263-266)
• Pages: 2906-2910
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.263-266.2906
• Online since: December 2012
• Authors: De Dong Zhang, Zhao Feng Ma, Yi Xian Yang
• Keywords: Anonymity, Bilinear Pairing, Proxy Revocation, Proxy Signature

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