頁籤選單縮合
題 名 | Some More Improvements on a Fair Non-repudiation Protocol |
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作 者 | Petropoulos,Dimitrios; Kotzanikolaou,Panayiotis; | 書刊名 | 網際網路技術學刊 |
卷 期 | 4:4 2003.10[民92.10] |
頁 次 | 頁255-259 |
分類號 | 448.6 |
關鍵詞 | Non-repudiation protocol; Cryptosystem; Key management; |
語 文 | 英文(English) |
英文摘要 | This paper examines the Zhou-Gollmann fair non-repudiation protocol as well as its modified version of Kim et al. We describe how these protocols are vulnerable to an attack by a misbehaving originator which may degrade the efficiency or even cause denial of the non-repudiation service and propose a modification which prevents this attack. Furthermore, we propose a variant which achieves semantically secure message confidentiality without increasing key management costs. |
本系統中英文摘要資訊取自各篇刊載內容。