| Issue |
MATEC Web of Conferences
Volume 44, 2016
2016 International Conference on Electronic, Information and Computer Engineering
|
|
|---|---|---|
| Article Number | 02017 | |
| Number of page(s) | 4 | |
| Section | Electronics, Information and Engineering Application | |
| DOI | https://doi.org/10.1051/matecconf/20164402017 | |
| Published online | 08 March 2016 | |
Improvement of an Eliptic Curve Based Threshold Proxy Signature Scheme
Zhejiang University of Media and Communications, Hangzhou 310018, China
Xiao-Yu Miao: miaoxiaoyu.1987@163.com
In 2006, Pomykala et al. proposed an elliptic curve based threshold proxy signature scheme as well as a proxy-protected version. They claimed their scheme had the properties of secrecy, unforgeability, non-repudiation and signer’s identification. In this study, we showed inter conspiracy attack on the basic scheme and gave another attack on the proxy-protected version. We pointed out that even if the central authority is engaged, the basic model is not a proxy-protected one. We also proposed an improved scheme that can resist the known attacks to achieve higher security, and gave the security analysis of the improved scheme in detail.
© Owned by the authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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