Efficient proxy multisignature schemes based on the elliptic curve cryptosystem

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题名:	Efficient proxy multisignature schemes based on the elliptic curve cryptosystem
作者:	Chen, T.-S.a, Chung, Y.-F.b, Huang, G.-S.b
贡献者:	Department of Electrical Engineering, Tunghai University
关键词:	Discrete logarithm and Cryptography;Elliptic curve cryptosystem;Integer factorization;Proxy signature
日期:	2003
上传时间:	2013-05-15T09:05:42Z (UTC)
摘要:	For improving proxy-signature research, Sun attempted to resolve problems related to defective security in the scheme of Yi. However, both Yi and Sun's schemes involve a significant number of exponential operations to verify the proxy signature. Accordingly, an improvement is proposed here to change the exponential operations into elliptic curve multiplicative ones. As proposed by both Koblitz and Miller in 1985, the elliptic curve is used in developing the cryptosystems. The elliptic curve cryptosystem can achieve a level of security equal to that of RSA or DSA but has a lower computational overhead and a smaller key size than both of these. Therefore, it is used in Sun's schemes to improve their efficiency.
關聯:	Computers and Security Volume 22, Issue 6, 2003, Pages 527-534
显示于类别:	[電機工程學系所] 期刊論文

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