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http://dx.doi.org/10.5392/JKCA.2011.11.1.042

Secure Proxy Signature Schemes based on RSA Problems and Warrants  

Seo, Moon-Seog (대불대학교 컴퓨터응용기술학과)
Iang, Phil-Sik (대불대학교 컴퓨터교육과)
Choi, Chool-Heon (대불대학교 디자인학과)
Publication Information
The Journal of the Korea Contents Association / v.11, no.1, 2011 , pp. 42-49 More about this Journal
Abstract
Proxy signature schemes are configured as proxy signers on behalf of their original signers can be allowed to sign messages. Basic security requirements of proxy signature schemes include the strong unforgeability and the verifiability of delegation. So far, a variety of proxy signature schemes that proved on individual basic security terms but not proved on compounded security terms are proposed. Especially the proposed proxy signature schemes based on RSA problem are proved vulnerable to an attacker with his own private key in terms of the impersonating attack. A unauthorized attacker can generate the proxy signature without the appointee's consent or authorization. In this paper, we propose a proxy signature scheme based on RSA problems and warrants that can be proved the security against the impersonating attack. The proposed proxy signature scheme is analyzed on the safety and compared in terms of efficiency with other proxy signature schemes.
Keywords
Digital Signature; Public Key Infrastructure; Proxy Signature; Warrants; RSA Problem;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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