Title: Proxy Digital Signature Scheme Based on Elliptic Curves
Abstract: A scheme was carefully analyzed which was based on two papers. One was proposed by Guoqiang Bai etc based on Proxy Digital Signature Based on Elliptic Curves and the other improved was proposed by Yuhua Wu etc. In the scheme, the problem was found that delegation power misuse was not controlled effectively. And an improved scheme was proposed which solved the problem on the time control. When a verifier receives the message of proxy digital signature, he judges the legitimacy of the proxy through checking the time limit first.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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