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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40374

Title: A (t, n)-fair dynamic threshold secret sharing scheme
Authors: Tzong-Sun Wu;Han-Yu Lin;Chien-Lung Hsu;Kuo-Yi Chang
Contributors: 國立臺灣海洋大學:資訊工程學系
Date: 2009
Issue Date: 2017-01-18T01:14:26Z
Publisher:  International journal of innovative computing, information & control
Abstract: Abstract: A (t, n) threshold secret sharing scheme enables the secret dealer to decompose the secret into n shares which are separately distributed to participants of the same size. Any t or more participants can reconstruct the shared secret, where the threshold value t is predefined according to the sharing policy. However, if there is a cheater releasing a false share in the secret reconstruction, he can obtain the secret alone. This paper presents a novel (t, n)-fair dynamic threshold secret sharing scheme in which the dealer can distribute multiple shared secrets associated with different threshold values. Meanwhile, the secret share held by each participant remains unchanged. Furthermore, the proposed scheme has the following features: (1) cheater identification - all participants can identify the cheaters during the secret reconstruction; (2) fair reconstruction of the shared secret - each participant has an equal ability to recover the shared secret, even if there are v cheaters among these participants, where v < t/2; (3) fixed length of public information - the public information is independent of the threshold value and the number of participants.
Relation: 5(5)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40374
Appears in Collections:[資訊工程學系] 期刊論文

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