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A mediated proxy signature scheme with fast revocation for electronic transactions

Title
A mediated proxy signature scheme with fast revocation for electronic transactions
Authors
Seo S.-H.Shim K.-A.Lee S.-H.
Ewha Authors
이상호심경아
SCOPUS Author ID
이상호scopus
Issue Date
2005
Journal Title
Lecture Notes in Computer Science
ISSN
0302-9743JCR Link
Citation
vol. 3592, pp. 216 - 225
Indexed
SCOPUS WOS scopus
Abstract
Proxy signature schemes allow an original signer to delegate his signing rights to a proxy signer. Most proxy signature schemes have succeeded for proxy delegations and they are considered very useful methods when one needs to delegate his signing power to other person in digital business. However, many proxy signature schemes have the defects that cannot solve proxy revocation problems. Moreover, they cannot provide the immediate revocation, even if a proxy signer colludes with any malicious attacker. In this paper, we propose a mediated proxy signature scheme with fast revocation. Our scheme solves the weaknesses of most proxy signature schemes and satisfies the security requirements for proxy signature scheme. And it also provides an effective proxy revocation whenever the original signer wants or signer's key is compromised. © Springer-Verlag Berlin Heidelberg 2005.
Appears in Collections:
엘텍공과대학 > 컴퓨터공학과 > Journal papers
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