Paper 2009/458

Security Analysis and Design of Proxy Signature Schemes over Braid Groups

Wei Yun, Xiong Guo-hua, Zhang Xing-kai, and Bao Wan-su

Abstract

The braid groups have attracted much attention as a new platform of constructing cryptosystems. This paper firstly analyzes the security vulnerabilities of existing proxy signature schemes over braid groups and presents feasible attacks. Then a new proxy signature scheme is proposed based on the difficulty of the conjugacy search problem and the multiple conjugacy search problem. Security analysis shows that the proposed scheme satisfies the security requirements of proxy signature.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Published elsewhere. Unknown where it was published
Contact author(s)
weiyun456 @ sohu com
History
2009-09-20: received
Short URL
https://ia.cr/2009/458
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2009/458,
      author = {Wei Yun and Xiong Guo-hua and Zhang Xing-kai and Bao Wan-su},
      title = {Security Analysis and Design of Proxy Signature Schemes over Braid Groups},
      howpublished = {Cryptology ePrint Archive, Paper 2009/458},
      year = {2009},
      note = {\url{https://eprint.iacr.org/2009/458}},
      url = {https://eprint.iacr.org/2009/458}
}
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