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首页> 外文期刊>Foundations and trends in communications and information theory >Biometric Security from an Information-Theoretical Perspective
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Biometric Security from an Information-Theoretical Perspective

机译：信息论视角下的生物识别安全

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摘要

In this review, biometric systems are studied from an information theoretical point of view. In the first part biometric authentication systems are studied. The objective of these systems is, observing correlated enrollment and authentication biometric sequences, to generate or convey as large as possible secret keys by interchanging a public message, while minimizing privacy leakage. Here privacy leakage is denned as the amount of information that this public message contains about the biometric enrollment sequence. In this setting also the secrecy leakage, that is, the amount of information the public message leaks about the secret key, should be negligible. Next identification biometric systems are investigated. These systems should be able to identify as many individuals as possible while being able to assign as large as possible secret keys to each individual and again minimize the privacy leakage. To realize these systems public reference data are stored in the database.
机译：在这篇综述中，从信息理论的角度研究了生物识别系统。在第一部分中，研究了生物特征认证系统。这些系统的目的是，观察相关的注册和身份验证生物特征序列，以通过交换公共消息来生成或传递尽可能大的秘密密钥，同时最大程度地减少隐私泄漏。在这里，隐私泄漏被定义为此公共消息包含的有关生物识别注册序列的信息量。在这种情况下，秘密泄漏，即公共消息泄漏的有关秘密密钥的信息量也应该忽略不计。接下来研究识别生物特征识别系统。这些系统应该能够识别尽可能多的个人，同时能够为每个个人分配尽可能多的秘密密钥，并再次将隐私泄漏降至最低。为了实现这些系统，公共参考数据存储在数据库中。

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