A Stable Cryptographic Key Generation from Fingerprint Biometrics Using Gray Code for Secure Data Storage

Author(s):  
S.R. Balasundaram ◽  
Rajarshi Pal ◽  
Suresh Kaliyannan
2015 ◽  
Vol 7 (3) ◽  
pp. 226 ◽  
Author(s):  
Subhas Barman ◽  
Debasis Samanta ◽  
Samiran Chattopadhyay

2015 ◽  
Vol 25 (03) ◽  
pp. 1640016 ◽  
Author(s):  
Filip Kodýtek ◽  
Róbert Lórencz

This paper deals with design of physical unclonable functions (PUFs) based on field-programmable gate array (FPGA). The goal was to propose a cheap, efficient and secure device identification or even a cryptographic key generation based on PUFs. Therefore, a design of a ring oscillator (RO)-based PUF producing more output bits from each RO pair is presented. 24 Digilent Basys 2 FPGA boards (Spartan-3E) and 6 Digilent Nexys 3 FPGA boards (Spartan-6) were tested and statistically evaluated indicating suitability of the proposed design for device identification. A stable PUF output is required for generating cryptographic keys. As post-processing technique to further improve the efficiency of this PUF design, we used Gray code on the obtained bits from RO pairs. Ultimately, the PUF design is combined with error correction code and together with Gray code is able to generate cryptographic keys of sufficient length.


IEEE Access ◽  
2018 ◽  
Vol 6 ◽  
pp. 428-442 ◽  
Author(s):  
Sanaz Rahimi Moosavi ◽  
Ethiopia Nigussie ◽  
Marco Levorato ◽  
Seppo Virtanen ◽  
Jouni Isoaho

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