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DC poleHodnotaJazyk
dc.contributor.authorObermaier, Johannes
dc.contributor.authorSpecht, Robert
dc.contributor.authorSigl, Georg
dc.contributor.editorPinker, Jiří
dc.date.accessioned2019-10-16T07:09:58Z
dc.date.available2019-10-16T07:09:58Z
dc.date.issued2017
dc.identifier.citation2017 International Conference on Applied Electronics: Pilsen, 5th – 6th September 2017, Czech Republic, p.137-142.en
dc.identifier.isbn978–80–261–0641–8 (Print)
dc.identifier.isbn978–80–261–0642–5 (Online)
dc.identifier.issn1803–7232 (Print)
dc.identifier.issn1805–9597 (Online)
dc.identifier.urihttp://hdl.handle.net/11025/35427
dc.format6 s.cs
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherZápadočeská univerzita v Plznics
dc.rights© Západočeská univerzita v Plznics
dc.subjectstřídačecs
dc.subjecthodinycs
dc.subjectprogramovatelná hradlová polecs
dc.subjectprstencové oscilátorycs
dc.subjectlogické bránycs
dc.subjecthardwarecs
dc.titleFuzzy-glitch: A practical ring oscillator based clock glitch attacken
dc.typekonferenční příspěvekcs
dc.typeconferenceObjecten
dc.rights.accessopenAccessen
dc.type.versionpublishedVersionen
dc.description.abstract-translatedClock glitches are useful in hardware security applications, where systems are tested for vulnerabilities emerging from fault attacks. Usually a precisely timed and controlled glitch signal is employed. However, this requires complex generators and deep knowledge about the system under attack. Therefore we present a novel approach on clock glitch fault attacks that replaces the single precise glitch by a fuzzy glitch signal. We propose a compact FPGA design for fuzzy clock glitch generation, that is based on mixing two adjustable ring oscillators of different frequencies. The combination of these oscillators creates a glitch containing random and high frequency signal components. We show on the basis of a practical implementation on a Spartan-3E, that the proposed method is able to generate the desired fuzzy clock glitch. We verified experimentally, that the fuzzy clock glitch succeeds in error injection on an STM32F030, an ARM CORTEX-M0 based microcontroller. Our results demonstrate that the fuzzy glitch is an adequate solution for fault injectionen
dc.subject.translatedinvertersen
dc.subject.translatedclocksen
dc.subject.translatedfield programmable gate arraysen
dc.subject.translatedring oscillatorsen
dc.subject.translatedlogic gatesen
dc.subject.translatedhardwareen
dc.type.statusPeer-revieweden
Vyskytuje se v kolekcích:Applied Electronics 2017
Applied Electronics 2017

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