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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40309

Title: Self-certified multi-proxy signature scheme with message recovery
Authors: Tzong-sun Wu
Chien-lung Hsu
Han-yu Lin
Contributors: 國立臺灣海洋大學:資訊工程學系
Keywords: Elliptic curve
Multi-proxy signature
Message recovery
Smart cards
Discrete logarithms
Date: 2009
Issue Date: 2017-01-17T06:07:36Z
Publisher: Journal of Zhejiang University-SCIENCE A
Abstract: Abstract: Multi-proxy signature schemes allow the original signer to delegate his/her signing power to n proxy signers such that all proxy signers must corporately generate a valid proxy signature on behalf of the original signer. We first propose a multi-proxy signature scheme based on discrete logarithms and then adapt it to the elliptic curve cryptosystem. With the integration of self-certified public-key systems and the message recovery signature schemes, our proposed schemes have the following advantages: (1) They do not require the signing message to be transmitted, since the verifier can recover it from the signature; (2) The authentication of the public keys, verification of the signature, and recovery of the message can be simultaneously carried out in a single logical step; (3) No certificate is needed for validating the public keys. Further, the elliptic curve variant with short key lengths especially suits the cryptographic applications with limited computing power and storage space, e.g., smart cards. As compared with the previous work that was implemented with the certificate-based public-key systems, the proposed schemes give better performance in terms of communication bandwidth and computation efforts.
Relation: 10(2)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40309
Appears in Collections:[資訊工程學系] 期刊論文

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