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首页> 外文期刊>Signal Processing Magazine, IEEE >Privacy Protection in Biometric-Based Recognition Systems: A marriage between cryptography and signal processing
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Privacy Protection in Biometric-Based Recognition Systems: A marriage between cryptography and signal processing

机译：基于生物识别的识别系统中的隐私保护：加密与信号处理之间的结合

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摘要

Systems employing biometric traits for people authentication and identification are witnessing growing popularity due to the unique and indissoluble link between any individual and his/her biometric characters. For this reason, biometric templates are increasingly used for border monitoring, access control, membership verification, and so on. When employed to replace passwords, biometrics have the added advantage that they do not need to be memorized and are relatively hard to steal. Nonetheless, unlike conventional security mechanisms such as passwords, biometric data are inherent parts of a person?s body and cannot be replaced if they are compromised. Even worse, compromised biometric data can be used to have access to sensitive information and to impersonate the victim for malicious purposes. For the same reason, biometric leakage in a given system can seriously jeopardize the security of other systems based on the same biometrics. A further problem associated with the use of biometric traits is that, due to their uniqueness, the privacy of their owner is put at risk. Geographical position, movements, habits, and even personal beliefs can be tracked by observing when and where the biometric traits of an individual are used to identify him/her.
机译：由于任何个人及其生物特征之间的独特且不可分割的联系，采用生物特征进行人类身份验证和识别的系统正日益普及。因此，生物识别模板越来越多地用于边界监视，访问控制，成员身份验证等。当用于替换密码时，生物识别技术具有额外的优势，即无需记忆且相对难以窃取。但是，与传统的安全机制（例如密码）不同，生物识别数据是人体的固有部分，如果遭到破坏，则无法替换。更糟糕的是，遭到破坏的生物特征数据可用于访问敏感信息，并出于恶意目的冒充受害者。出于相同的原因，给定系统中的生物识别泄漏可能会严重危害基于相同生物识别的其他系统的安全性。与使用生物特征相​​关的另一个问题是，由于其独特性，所有者的隐私受到了威胁。通过观察个人的生物特征在何时何地用于识别他/她，可以跟踪地理位置，运动，习惯，甚至个人信仰。

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