Abstract
In this chapter, we describe a secret key generator which uses a Physically Unclonable Function: the Loop-PUF (LPUF). After a short description of this latter, we will describe the concept and the architecture of our secure key generator (PUFKY). We will detail all its components and all the security analysis we made. We will finally show that the LPUF, if its location is well chosen, has sufficient properties to be used as a robust and secure key generator. More generally, this chapter will allow the reader to implement a PUFKY quickly from scratch.
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Acknowledgements
Without the devotion and the hard work of Arnaud Lebrun under the supervision of Florentin Demetrescu (Airbus Defence and Space − CyberSecurity), this chapter would have never been written. We also thank Florent Lozac’h, Zouha Cherif and Jean-Luc Danger (Télécom ParisTech/Secure-IC) for providing their LPUF IP and insightful discussions.
This chapter is also dedicated to Cédric Blancher (1976–2013\(\dag \)), a world expert in computer security and colleague from Airbus Group Innovations.
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Francq, J., Parlier, G. (2015). Secure Key Generator Using a Loop-PUF. In: Candaele, B., Soudris, D., Anagnostopoulos, I. (eds) Trusted Computing for Embedded Systems. Springer, Cham. https://doi.org/10.1007/978-3-319-09420-5_8
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DOI: https://doi.org/10.1007/978-3-319-09420-5_8
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