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Abstract (2005)

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by Time-stamping Service , Eric Jui-lin Lu , Cheng-jian Huang
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BibTeX

@MISC{Service05abstract,
    author = {Time-stamping Service and Eric Jui-lin Lu and Cheng-jian Huang},
    title = {Abstract},
    year = {2005}
}

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Abstract

In current proxy signature schemes, an original signer delegates her signing capability to a proxy signer, and then the proxy signer can sign messages on behalf of the original signer. Although these schemes have succeeded in proxy delegations, they share a common problem. That is, a verifier cannot ascertain that a proxy signature was signed by the proxy signer during the valid delegation period. Additionally, these schemes do not support revocations. In this paper, we proposed a new time-stamping proxy signature scheme using time-stamping service to resolve the above problems. The security and performance of the proposed scheme are also analyzed.

Keyphrases

proxy signer    original signer    current proxy signature scheme    proxy signature    signing capability    verifier cannot ascertain    valid delegation period    common problem    new time-stamping proxy signature scheme    proxy delegation    time-stamping service   

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