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題名: Cryptanalysis of Liaw's Broadcasting Cryptosystem
作者: Tseng, Yuh-Min;Jan, Jinn-Ke
貢獻者: 數學系
關鍵詞: Cryptography;Broadcasting cryptosystem;Cryptanalysis
日期: 2001-06
上傳時間: 2012-07-03T03:43:22Z
出版者: Elsevier
摘要: In 1999, Liaw proposed a new broadcasting cryptosystem, which requires smaller bandwidth as compared to the previously proposed broadcasting cryptosystems. However, this article will show that the proposed system is insecure enough by presenting a conspiracy attack on it. We will also point out some ambiguous problems in Liaw's paper. Moreover, we propose an improved broadcasting cryptosystem, which is a slight modification of the proposed system to overcome the conspiracy attack.
關聯: Computers and Mathematics with Applications, 41(12): 1575-1578
顯示於類別:[數學系] 期刊論文

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