IEICE TRANSACTIONS on Fundamentals
Biometric Identification Systems with Both Chosen and Generated Secret Keys by Allowing Correlation
Summary :
We propose a biometric identification system where the chosen- and generated-secret keys are used simultaneously, and investigate its fundamental limits from information theoretic perspectives. The system consists of two phases: enrollment and identification phases. In the enrollment phase, for each user, the encoder uses a secret key, which is chosen independently, and the biometric identifier to generate another secret key and a helper data. In the identification phase, observing the biometric sequence of the identified user, the decoder estimates index, chosen- and generated-secret keys of the identified user based on the helper data stored in the system database. In this study, the capacity region of such system is characterized. In the problem settings, we allow chosen- and generated-secret keys to be correlated. As a result, by permitting the correlation of the two secret keys, the sum rate of the identification, chosen- and generated-secret key rates can achieve a larger value compared to the case where the keys do not correlate. Moreover, the minimum amount of the storage rate changes in accordance with both the identification and chosen-secret key rates, but that of the privacy-leakage rate depends only on the identification rate.
- Publication
- IEICE TRANSACTIONS on Fundamentals Vol.E106-A No.3 pp.382-393
- Publication Date
- 2023/03/01
- Publicized
- 2022/09/06
- Online ISSN
- 1745-1337
- DOI
- 10.1587/transfun.2022TAP0014
- Type of Manuscript
- Special Section PAPER (Special Section on Information Theory and Its Applications)
- Category
- Shannon Theory
Authors
Vamoua YACHONGKA
Yokohama National University
Hideki YAGI
the University of Electro-Communications
Keyword
Latest Issue
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Vamoua YACHONGKA, Hideki YAGI, "Biometric Identification Systems with Both Chosen and Generated Secret Keys by Allowing Correlation" in IEICE TRANSACTIONS on Fundamentals,
vol. E106-A, no. 3, pp. 382-393, March 2023, doi: 10.1587/transfun.2022TAP0014.
Abstract: We propose a biometric identification system where the chosen- and generated-secret keys are used simultaneously, and investigate its fundamental limits from information theoretic perspectives. The system consists of two phases: enrollment and identification phases. In the enrollment phase, for each user, the encoder uses a secret key, which is chosen independently, and the biometric identifier to generate another secret key and a helper data. In the identification phase, observing the biometric sequence of the identified user, the decoder estimates index, chosen- and generated-secret keys of the identified user based on the helper data stored in the system database. In this study, the capacity region of such system is characterized. In the problem settings, we allow chosen- and generated-secret keys to be correlated. As a result, by permitting the correlation of the two secret keys, the sum rate of the identification, chosen- and generated-secret key rates can achieve a larger value compared to the case where the keys do not correlate. Moreover, the minimum amount of the storage rate changes in accordance with both the identification and chosen-secret key rates, but that of the privacy-leakage rate depends only on the identification rate.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/transfun.2022TAP0014/_p
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@ARTICLE{e106-a_3_382,
author={Vamoua YACHONGKA, Hideki YAGI, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Biometric Identification Systems with Both Chosen and Generated Secret Keys by Allowing Correlation},
year={2023},
volume={E106-A},
number={3},
pages={382-393},
abstract={We propose a biometric identification system where the chosen- and generated-secret keys are used simultaneously, and investigate its fundamental limits from information theoretic perspectives. The system consists of two phases: enrollment and identification phases. In the enrollment phase, for each user, the encoder uses a secret key, which is chosen independently, and the biometric identifier to generate another secret key and a helper data. In the identification phase, observing the biometric sequence of the identified user, the decoder estimates index, chosen- and generated-secret keys of the identified user based on the helper data stored in the system database. In this study, the capacity region of such system is characterized. In the problem settings, we allow chosen- and generated-secret keys to be correlated. As a result, by permitting the correlation of the two secret keys, the sum rate of the identification, chosen- and generated-secret key rates can achieve a larger value compared to the case where the keys do not correlate. Moreover, the minimum amount of the storage rate changes in accordance with both the identification and chosen-secret key rates, but that of the privacy-leakage rate depends only on the identification rate.},
keywords={},
doi={10.1587/transfun.2022TAP0014},
ISSN={1745-1337},
month={March},}
Copy
TY - JOUR
TI - Biometric Identification Systems with Both Chosen and Generated Secret Keys by Allowing Correlation
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 382
EP - 393
AU - Vamoua YACHONGKA
AU - Hideki YAGI
PY - 2023
DO - 10.1587/transfun.2022TAP0014
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E106-A
IS - 3
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - March 2023
AB - We propose a biometric identification system where the chosen- and generated-secret keys are used simultaneously, and investigate its fundamental limits from information theoretic perspectives. The system consists of two phases: enrollment and identification phases. In the enrollment phase, for each user, the encoder uses a secret key, which is chosen independently, and the biometric identifier to generate another secret key and a helper data. In the identification phase, observing the biometric sequence of the identified user, the decoder estimates index, chosen- and generated-secret keys of the identified user based on the helper data stored in the system database. In this study, the capacity region of such system is characterized. In the problem settings, we allow chosen- and generated-secret keys to be correlated. As a result, by permitting the correlation of the two secret keys, the sum rate of the identification, chosen- and generated-secret key rates can achieve a larger value compared to the case where the keys do not correlate. Moreover, the minimum amount of the storage rate changes in accordance with both the identification and chosen-secret key rates, but that of the privacy-leakage rate depends only on the identification rate.
ER -
English
