淡江大學機構典藏:Item 987654321/45415
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    題名: Cryptanalysis of the Hwang-Shi Proxy Signature Scheme
    作者: Hwang, Min-shiang;Lee, Cheng-ch;Hwang, Shin-jia
    貢獻者: 淡江大學資訊工程學系
    關鍵詞: cryptography;digital signature;one-way hash function;proxy signatures
    日期: 2002-11
    上傳時間: 2010-03-26 19:14:07 (UTC+8)
    出版者: Amsterdam: I O S Press
    摘要: Recently, Hwang and Shi proposed an efficient proxy signature scheme without using one-way hash functions. In their scheme, an original signer needn't send a proxy certificate to a proxy signer through secure channels. However, there are two public key substitution methods that can be used to attack their scheme. In this article, we show that their scheme is vulnerable to the public key substitution attacks
    關聯: Fundamenta Informaticae 53(2), pp.131-134
    顯示於類別:[資訊工程學系暨研究所] 期刊論文

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