Remarks on the Unknown Key Share Attacks

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概要

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• This letter points out some flaws in the previous works on UKS(unknown key-share) attacks. We show that Blake-Wilson and Menezes' revised STS-MAC(Station-to-Station Message Authentication Code) protocol [4], which was proposed to prevent UKS attack, is still vulnerable to a new UKS attack. Also, Hirose and Yoshida's key agreement protocol [8] presented at PKC'98 is shown to be insecure against public key substitution UKS attacks. Finally, we discuss countermeasures for such UKS attacks.

• 社団法人電子情報通信学会の論文
• 2000-12-25

著者

• Kim Kwangjo

  Information And Communications University

• BAEK Joonsang

  Information and Communications University

関連論文

• Remarks on the Unknown Key Share Attacks

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