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Approach to cryptographic key generation from fingerprint biometrics

Approach to cryptographic key generation from fingerprint biometrics In crypto-biometric system (CBS), biometric is combined with cryptography. In CBS, either accessing a cryptographic key is controlled with biometric or the key is generated from biometric features. This work is related to the latter approach in CBS. In such a system, protecting the privacy of the biometric data is an important concern. Further, there is a need to generate different cryptographic keys from the same biometric template of a user. Cancellable transformation of biometric data prior to the key generation is known as a solution. In this paper, we propose an approach to generate cryptographic key from cancellable fingerprint templates (CT) of sender and receiver to ensure the privacy of the fingerprints and at the same time, it produces revocable key for the application of symmetric cryptography. The between-person variability of guarantees the randomness which ensures that impostor users are not able to generate a genuine CT to break the cryptographic key. Keywords: cryptographic key generation; fingerprint; cancellable template; network security; crypto-biometric system; symmetric cryptography. Reference to this paper should be made as follows: Barman, S., Samanta, D. and Chattopadhyay, S. (2015) `Approach to cryptographic key generation from fingerprint biometrics', Int. J. Biometrics, Vol. 7, No. 3, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Biometrics Inderscience Publishers

Approach to cryptographic key generation from fingerprint biometrics

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Publisher
Inderscience Publishers
Copyright
Copyright © 2015 Inderscience Enterprises Ltd.
ISSN
1755-8301
eISSN
1755-831X
DOI
10.1504/IJBM.2015.071946
Publisher site
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Abstract

In crypto-biometric system (CBS), biometric is combined with cryptography. In CBS, either accessing a cryptographic key is controlled with biometric or the key is generated from biometric features. This work is related to the latter approach in CBS. In such a system, protecting the privacy of the biometric data is an important concern. Further, there is a need to generate different cryptographic keys from the same biometric template of a user. Cancellable transformation of biometric data prior to the key generation is known as a solution. In this paper, we propose an approach to generate cryptographic key from cancellable fingerprint templates (CT) of sender and receiver to ensure the privacy of the fingerprints and at the same time, it produces revocable key for the application of symmetric cryptography. The between-person variability of guarantees the randomness which ensures that impostor users are not able to generate a genuine CT to break the cryptographic key. Keywords: cryptographic key generation; fingerprint; cancellable template; network security; crypto-biometric system; symmetric cryptography. Reference to this paper should be made as follows: Barman, S., Samanta, D. and Chattopadhyay, S. (2015) `Approach to cryptographic key generation from fingerprint biometrics', Int. J. Biometrics, Vol. 7, No. 3,

Journal

International Journal of Biometrics – Inderscience Publishers

Published: Jan 1, 2015

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