NDLI: Influence of Magnetic Fields and X-Radiation on Ring Oscillators in FPGAs

Content Provider	IEEE Xplore Digital Library
Author	Raitza, M. Vogt, M. Hochberger, C. Pionteck, T.
Copyright Year	2014
Description	Author affiliation: Inst. of Comput. Technol., Hamburg Univ. of Technol., Hamburg, Germany (Pionteck, T.) \|\| Darmstadt Comput. Syst. Group, Tech. Univ., Darmstadt, Germany (Hochberger, C.) \|\| Fac. of Comput. Sci., Tech. Univ. Dresden, Dresden, Germany (Raitza, M.; Vogt, M.)
Abstract	Cryptographic functions are of increasing importance for all kinds of hardware devices. Their strength against attackers not only relies on the particular cryptographic algorithm but also on the quality of the underlying random number generator. Several techniques have been proposed for implementing true random number generators in digital circuits, yet their immunity against ionising radiation and strong magnetic fields has often not been evaluated. In particular FPGAs seem to be prone to such kinds of attacks, as ionising radiation and magnetic fields may not only influence logic gates but also the configuration memory. In this paper we investigate the influence of X-rays and magnetic fields on three different types of ring oscillators. We conduct experiments with a constant X-ray beam generated by a tungsten radiation source and strong static magnetic fields up to 14 T. We show that both magnetic fields and X-radiation do not have any influence on the amount of entropy generated by the ring oscillators, hence these implementations can be considered safe against such attacks. The random number generators are implemented on Altera Cyclone IV, Lattice LFE3, and Xilinx Spartan 6 FPGAs.
Starting Page	199
Ending Page	204
File Size	346062
Page Count	6
File Format	PDF
e-ISBN	9781479941162
DOI	10.1109/IPDPSW.2014.26
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ring oscillators X-Radiation Active attack Magnetic cores Random number generator FPGA Superconducting magnets Jitter Entropy Ring oscillator Cryptography Magnetic field Field programmable gate arrays
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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