By Topic

A Modified and Practical Threshold Proxy Signature Scheme Based on RSA

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Geng Yong-Jun ; Coll. of Comput. Sci. & Technol., Huazhong Univ. of Sci. & Technol. ; Tian Hui ; Hong Fan

Wen et al. recently showed Hwang's threshold proxy signature scheme based on RSA has some mistakes of equation and which makes it unsecured. So they modified Hwang's scheme. However, we find the core of the problem of the value of Lagrange coefficient is still not solved and the right of proxy signature combiner isn't defined clearly in the modified scheme. We modify Hwang's scheme once more and our modified scheme needn't compute the inverse when we compute the value of the Lagrange coefficient. Furthermore, in our modified scheme proxy signature combiner don't know the Euler function value Phi(N0) which can prevent combiner and partial signer from the conspiracy attack. The improvement makes the scheme perfect and practical.

Published in:

Advanced Communication Technology, The 9th International Conference on  (Volume:3 )

Date of Conference:

12-14 Feb. 2007