NDLI: Short and provably secure designated verifier proxy signature scheme

Content Provider	IET Digital Library
Author	Hu, Xiaoming Tan, Wenan Xu, Huajie Wang, Jian
Abstract	A designated verifier proxy signature (DVPS), where only a designated verifier can verify the validity of a proxy signed message, is suitable for being applied in many scenarios. Many DVPS schemes have been proposed, but most of these schemes only provide informal proofs of security or incomplete formal proofs of security with limited power attackers (a weak security model), which make these schemes vulnerable to some attacks. To the best of their knowledge, none of the existing DVPS schemes provides a complete notion of security for DVPS. In this study, the authors first classify DVPS into weak DVPS (WDVPS) and strong DVPS (SDVPS). They then give a systematic analysis of the security requirements for WDVPS (SDVPS) and they present complete notions of security for WDVPS and SDVPS. They also propose WDVPS and SDVPS schemes, which are both provably secure, that is, satisfying their new notions of security in the random oracle model. Compared with other DVPS schemes (including WDVPS and SDVPS schemes), their schemes have more complete security and they are more efficient.
Starting Page	69
Ending Page	79
Page Count	11
ISSN	17518709
Volume Number	10
e-ISSN	17518717
Issue Number	Issue 2, Mar (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ifs/10/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ifs.2014.0434
Journal	IET Information Security
Publisher Date	2016-03-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cryptography Data Security Designated Verifier Proxy Signature Scheme Digital Signatures DVPS Classification DVPS Scheme Formal Proofs Informal Proofs Proxy Signed Message Random Oracle Model SDVPS Scheme Strong DVPS WDVPS Scheme Weak DVPS
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Information Systems Software

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