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A More Efficient Improvement of the Virtual Software Token Protocols
Shuhong WANG Feng BAO Jie WANG
Publication
IEICE TRANSACTIONS on Communications
Vol.E89-B
No.3
pp.945-948 Publication Date: 2006/03/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.3.945 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Fundamental Theories for Communications Keyword: PKI roaming, software token, network security,
Full Text: PDF(71.3KB)>>
Summary:
The Virtual Software Token Protocol was proposed by Know as a practical method for secure public key infrastructure roaming. However, he recently found a weakness of the protocol under the original assumption, and proposed two revised versions, namely refinement and improvement, which lost the desirable properties of scalability and efficiency respectively. In this letter, a secure improvement is proposed for better performance in both scalability and efficiency. Unlike the author's improvement, our improvement provides parallel execution as the original protocol did.
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