An efficient and provably secure proxy signature scheme

Jianhong Zhang; Xue Liu

doi:10.1117/12.866743

20 August 2010 An efficient and provably secure proxy signature scheme

Jianhong Zhang, Xue Liu

Proceedings Volume 7820, International Conference on Image Processing and Pattern Recognition in Industrial Engineering; 782031 (2010) https://doi.org/10.1117/12.866743
Event: International Conference on Image Processing and Pattern Recognition in Industrial Engineering, 2010, Xi'an, China

Abstract

Proxy signature is a special signature, it allows an original signer to delegate her signing capability to a proxy signer and the proxy signer can produce a signature on behalf of the original signer. At present, most of proxy signature in essence consists of two signatures. To overcome the problem, we propose a short efficient proxy signature scheme based on a certificateless signature scheme. And we show that the proposed scheme is secure in the random oracle model. The security of the scheme is related to Inverse Computational Diffie-Hellman Problem and the k-CCA problem. Comparison with Huang et.al scheme, our scheme has an advantage over Huang et.al's scheme in terms of the size of proxy signature. Since the length of proxy signature in our scheme is 160bit, it is very suitable for mobile devices.

Citation Download Citation

Jianhong Zhang and Xue Liu "An efficient and provably secure proxy signature scheme", Proc. SPIE 7820, International Conference on Image Processing and Pattern Recognition in Industrial Engineering, 782031 (20 August 2010); https://doi.org/10.1117/12.866743

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