Wolf Attack Probability : A Theoretical Security Measure in Biometric Authentication Systems
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概要
- 論文の詳細を見る
This paper will propose a wolf attack probability (WAP) as a new measure for evaluating security of biometric authentication systems. The wolf attack is an attempt to impersonate a victim by feeding “wolves” into the system to be attacked. The “wolf” means an input value which can be falsely accepted as a match with multiple templates. WAP is defined as a maximum success probability of the wolf attack with one wolf sample. In this paper, we give a rigorous definition of the new security measure which gives strength estimation of an individual biometric authentication system against impersonation attacks. We show that if one reestimates using our WAP measure, a typical fingerprint algorithm turns out to be much weaker than theoretically estimated by Ratha et al. Moreover, we apply the wolf attack to a finger-vein-pattern based algorithm. Surprisingly, we show that there exists an extremely strong wolf which falsely matches all templates for any threshold value.
- （社）電子情報通信学会の論文
- 2008-05-01
著者
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Otsuka Akira
Research Center For Information Security Aist
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Imai Hideki
Research Center For Information Security (rcis) National Institute Of Advanced Industrial Science &a
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Une Masashi
Center For Information Technology Studies Institute For Monetary And Economic Studies Bank Of Japan
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Imai Hideki
Research Center For Information Security National Institute Of Advanced Industrial Science And Techn
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Otsuka Akira
Research Center For Information Security (rcis) National Institute Of Advanced Industrial Science An
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Otsuka Akira
Research Center For Information Security National Institute Of Advanced Industrial Science And Techn
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