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Recently, Kim et al.'s proposed a new type of proxy signature scheme, called self proxy signature scheme. In their scheme, a signer, delegates his/her signing capability to himself/herself and uses the proxy private/public key pair as temporary keys. In this paper, we will demonstrate some security leaks inherent in Kim et al.'s scheme and show that an adversary can forge a valid self proxy sig- nature for any message by using different ways. Finally, we will propose an improvement to eliminate the pointed out security leaks.

被引用紀錄


蔡侑倫(2015)。成人參與學習活動與智慧關係之研究 ─以高雄市為例〔碩士論文,國立中正大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0033-2110201614005763

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