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On the Application of Homomorphic Encryption to Face Identification
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Text/Conference Paper
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Datum
2019
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Verlag
Gesellschaft für Informatik e.V.
Zusammenfassung
The data security and privacy of enrolled subjects is a critical requirement expected from
biometric systems. This paper addresses said topic in facial biometric identification. In order to fulfil
the properties of unlinkability, irreversibility, and renewability of the templates required for biometric
template protection schemes, homomorphic encryption is utilised. In addition to achieving the
aforementioned objectives, the use of homomorphic encryption ensures that the biometric performance
remains completely unaffected by the template protection scheme.
The main contributions of this paper are: It proposes an architecture of a system capable of performing
biometric identification in the encrypted domain, as well as provides and evaluates an implementation
using two existing homomorphic encryption schemes. Furthermore, it discusses the pertinent
technical considerations and challenges in this context.