Cryptanalysis of Nonrepudiable Threshold Proxy Signature Schemes with Known Signers
學年 91
學期 2
出版(發表)日期 2003-04-01
作品名稱 Cryptanalysis of Nonrepudiable Threshold Proxy Signature Schemes with Known Signers
作品名稱(其他語言)
著者 Hwang, Shin-jia; Chen, Chiu-chin
單位 淡江大學資訊工程學系
出版者 Vilnius: Matematikos ir Informatikos Insititutas, Vilniaus Universitetas
著錄名稱、卷期、頁數 Informatica 14(2), pp.205-212
摘要 Sun's nonrepudiation threshold proxy signature scheme is not secure against the collusion attack. In order to guard against the attack, Hwang et al. proposed another threshold proxy signature scheme. However, a new attack is proposed to work on both Hwang et al.'s and Sun's schemes. By executing this attack, one proxy signer and the original signer can forge any valid proxy signature. Therefore, both Hwang et al.'s scheme and Sun's scheme were insecure.
關鍵字 digital signature;proxy signature;threshold proxy signature
語言 en
ISSN 0868-4952 1822-8844
期刊性質 國外
收錄於 SCI
產學合作
通訊作者
審稿制度
國別 LTU
公開徵稿
出版型式 ,紙本
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