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Electronics 2016, 5(1), 5; doi:10.3390/electronics5010005

Hardware Activation by Means of PUFs and Elliptic Curve Cryptography in Field-Programmable Devices

Department of Electronics and Computer Technology, University of Granada, Faculty of Sciences, 18071-Granada, Spain
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Academic Editor: Dhananjay S. Phatak
Received: 17 July 2015 / Revised: 21 December 2015 / Accepted: 8 January 2016 / Published: 18 January 2016
View Full-Text   |   Download PDF [551 KB, uploaded 18 January 2016]   |  

Abstract

Reusable design using IP cores requires of efficient methods for protecting the Intellectual Property of the designer and the corresponding license agreements. In this work, a new protection procedure establishing an activation protocol in a similar way to the activation process in the software world is presented. The procedure, named SEHAS (Secure Hardware Activation System) allows the distribution of cores in either Blocked (not functioning) or Demo (functioning with limited features) modes, while ensuring the license agreements by identifying not only the IP core but also the implementation device, using Physically Unclonable Functions (PUF). Moreover, SEHAS secures the exchange of information between the core and the core vendor using an Elliptic Curve Cryptosystem (ECC). This secure channel allows the IP core vendor to send a unique Activation Code to the core in order to switch it to the Activated Mode, thus enabling all its features. View Full-Text
Keywords: IP core protection; PUF; FPGA; ECC; cryptography IP core protection; PUF; FPGA; ECC; cryptography
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Parrilla, L.; Castillo, E.; Morales, D.P.; García, A. Hardware Activation by Means of PUFs and Elliptic Curve Cryptography in Field-Programmable Devices. Electronics 2016, 5, 5.

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