On constructing certificateless proxy signature from certificateless signature

On constructing certificateless proxy signature from certificateless signature
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从无证书签名构造无证书代理签名

DOI:
10.1007/s12204-008-0692-5
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发表时间:
2008-12
影响因子:
--
通讯作者:
Jia, Wei-Wei
Jia, Wei-Wei
中科院分区:
--
文献类型:
--
作者:
Lai, Xue-Jia;Long, Yu;Wan, Zhong-Mei;Hong, Xuan;Weng, Jian;Jia, Wei-Wei

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In proxy signature schemes, an original signerAdelegates its signing capability to a proxy signerB, in such a way thatBcan sign message on behalf ofA. The recipient of the final message verifies at the same time thatBcomputes the signature and thatAhas delegated its signing capability toB. Recently many identity-based (ID-based) proxy signature schemes have been proposed, however, the problem of key escrow is inherent in this setting. Certificateless cryptography can overcome the key escrow problem. In this paper, we present a general security model for certificateless proxy signature scheme. Then, we give a method to construct a secure certificateless proxy scheme from a secure certificateless signature scheme, and prove that the security of the construction can be reduced to the security of the original certificateless signature scheme.
DOI: --
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