To Pass or Not to Pass: Privacy-Preserving Physical Access Control

ePrint Report: To Pass or Not to Pass: Privacy-Preserving Physical Access Control

Jesús García-Rodríguez, Stephan Krenn, Daniel Slamanig

Anonymous or attribute-based credential (ABC) systems are a versatile and important cryptographic tool to achieve strong access control guarantees while simultaneously respecting the privacy of individuals. A major problem in the practical adoption of ABCs is their transferability, i.e., such credentials can easily be duplicated, shared or lent. One way to counter this problem is to tie ABCs to biometric features of …

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