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On equuality testing protocols and their security
KTH, Superseded Departments, Numerical Analysis and Computer Science, NADA.
2003 (English)Licentiate thesis, monograph (Other scientific)
Abstract [en]

This thesis is written for the Swedish degree Licentiate ofScience, Teknisk Licentiat.It is a university degree, between that of master andthat of doctor.The main focus of the thesis is on the construction ofsecure protocols for comparing the underlying plain-texts inElGamal encryptions. The protocols make use of the malleabilityof the ElGamal encryption scheme. More specifically they usethe multiplicative homomorphic property of ElGamal.We present fully verifiable protocols for both thetwo-party setting and the multi-party setting. These protocolsare built on sub-protocols, which are specially constructed tofit the present setting. We also present full proofs forcompleteness, soundness, and zero-knowledge for all the givenprotocols, in the random oracle model.

Place, publisher, year, edition, pages
Stockholm: Numerisk analys och datalogi , 2003. , x, 93 p.
Series
Trita-NA, ISSN 0348-2952 ; 03:17
Identifiers
URN: urn:nbn:se:kth:diva-1638ISBN: 91-7283-569-9 (print)OAI: oai:DiVA.org:kth-1638DiVA: diva2:7568
Note
NR 20140805Available from: 2003-09-10 Created: 2003-09-10Bibliographically approved

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fulltext(661 kB)458 downloads
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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf