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並列摘要


In this paper, we suggest solutions to the key exposure problem in ring signature. In particular, we propose the first forward secure ring signature scheme and the first key-insulated ring signature scheme. Both constructions allow a (t, n)-threshold setting. That is, even t secret keys are compromised, the validity of all forward secure ring signatures generated in the past is still preserved. In the other way, the compromise of up to all secret keys does not allow any adversary to generate a valid key-insulated ring signature for the remaining time periods. All our proposed schemes are proven secure in the random oracle model.

並列關鍵字

Forward secure key-insulated ring signature

被引用紀錄


Siang, Y. Z. (2011). 具有最佳簽章者匿名性與強指定驗證者之弱鏈結性環簽章法 [master's thesis, Tamkang University]. Airiti Library. https://doi.org/10.6846/TKU.2011.00723
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