About: ON THE POWER OF QUANTUM TAMPER-PROOF DEVICES

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We show how quantum tamper-proof devices (QTPD's) can be used to attack and to develop security protocols. On one hand, we prove that it is possible to transfer proofs of zero-knowledge protocols using QTPD's. This attack can be extended to other security schemes where privacy is important. On the other hand, we present a fair contract signing protocol using QTPD's where there is no communication with Judge during the exchange phase (which is impossible classically). In the latter case, we make use of decoherence in the quantum state of the QTPD to implement a global clock over the asynchronous network. QTPD's seem to be possible to implement with existing quantum hardware, due to the fact that it is hard to isolate quantum memory from interference. These theoretical results contribute to justify the implementation of QTPD's. We show how quantum tamper-proof devices (QTPD's) can be used to attack and to develop security protocols. On one hand, we prove that it is possible to transfer proofs of zero-knowledge protocols using QTPD's. This attack can be extended to other security schemes where privacy is important. On the other hand, we present a fair contract signing protocol using QTPD's where there is no communication with Judge during the exchange phase (which is impossible classically). In the latter case, we make use of decoherence in the quantum state of the QTPD to implement a global clock over the asynchronous network. QTPD's seem to be possible to implement with existing quantum hardware, due to the fact that it is hard to isolate quantum memory from interference. These theoretical results contribute to justify the implementation of QTPD's. (en)
Title	ON THE POWER OF QUANTUM TAMPER-PROOF DEVICES ON THE POWER OF QUANTUM TAMPER-PROOF DEVICES (en)
skos:prefLabel	ON THE POWER OF QUANTUM TAMPER-PROOF DEVICES ON THE POWER OF QUANTUM TAMPER-PROOF DEVICES (en)
skos:notation	RIV/00216224:14330/08:00024729!RIV10-GA0-14330___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA201/07/0603), P(GP201/06/P338), Z(MSM0021622419)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Bouda, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Fakulta informatiky
http://linked.open...dnocenehoVysledku	384784
http://linked.open...ai/riv/idVysledku	RIV/00216224:14330/08:00024729
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	quantum information processing; cryptography (en)
http://linked.open.../riv/klicoveSlovo	quantum information processing cryptography
http://linked.open...odStatuVydavatele	SG - Singapurská republika
http://linked.open...ontrolniKodProRIV	[230079760A26]
http://linked.open...i/riv/nazevZdroje	International Journal of Quantum Information
http://linked.open...in/vavai/riv/obor	IN
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Quantum multipartite computation, communication and security Quantum entanglement and cryptographic and computation primitives
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	6
http://linked.open...iv/tvurceVysledku	Bouda, Jan Mateus, Paulo Paunkovic, Nicola Rasga, Joao
http://linked.open...ain/vavai/riv/wos	000255525100005
http://linked.open...n/vavai/riv/zamer	Highly Parallel and Distributed Computing Systems
issn	0219-7499
number of pages	22 (xsd:int)
http://localhost/t...ganizacniJednotka	14330
is http://linked.open...avai/riv/vysledek of	ON THE POWER OF QUANTUM TAMPER-PROOF DEVICES ON THE POWER OF QUANTUM TAMPER-PROOF DEVICES ON THE POWER OF QUANTUM TAMPER-PROOF DEVICES ON THE POWER OF QUANTUM TAMPER-PROOF DEVICES

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