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    A new proxy signature scheme as secure as EIGamal signature

    19383_downloaded_stream_475.pdf (144.2Kb)
    Access Status
    Open access
    Authors
    Han, Song
    Chang, Elizabeth
    Liu, Wan-quan
    Wang, J.
    Date
    2005
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Han, Song and Chang, Elizabeth and Liu, Wan-quan and Wang, Jie. 2005. : A new proxy signature scheme as secure as EIGamal signature, in Ardil, C. (ed), ENFORMATIKA'05 Joint Conferences, Jun 24 2005, pp. 286-290. Istanbul, Turkey: World Enformatica Conference.
    Source Title
    Proceedings of the 4th International WEC Conference, Information Security
    Source Conference
    ENFORMATIKA'05 Joint Conferences
    Faculty
    Curtin Business School
    Graduate School of Business
    School
    Centre for Extended Enterprises and Business Intelligence
    URI
    http://hdl.handle.net/20.500.11937/18850
    Collection
    • Curtin Research Publications
    Abstract

    Proxy signature helps the proxy signer to sign messages on behalf of the original signer. It is very useful when the original signer (e.g. the president of a company) is not available to sign a specific document. If the original signer can not forge valid proxy signatures through impersonating the proxy signer, it will be robust in a virtual environment; thus the original signer can not shift any illegal action initiated by herself to the proxy signer. In this paper, we propose a new proxy signature scheme. The new scheme can prevent the original signer from impersonating the proxy signer to sign messages. The proposed scheme is based on the regular ElGamal signature. In addition, the fair privacy of the proxy signer is maintained. That means, the privacy of the proxy signer is preserved; and the privacy can be revealed when it is necessary.

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    • New proxy signatures with message recovery using pairing
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      Digital signature is a useful primitive to attain the integrity and authenticity in various wire or wireless communications. Proxy signature is one type of the digital signatures. It helps the proxy signer to sign messages ...
    • A New Proxy Signature Scheme As Secure As ElGamal Signature
      Han, Song; Chang, Elizabeth; Wang, J.; Liu, Wan-quan (2005)
      Proxy signature helps the proxy signer to sign messages on behalf of the original signer. It is very useful when the original signer (e.g. the president of a company) is not available to sign a specific document. If the ...
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      Undeniable signatures are the digital signatures that should be verified with the help of the signer. A signer may disavow a genuine document, if the signature is only verifiable with the aid of the signer under the ...
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