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Stakeholders’ Perspectives on Malleable Signatures in a Cloud-based eHealth Scenario
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science. (PriSec)ORCID iD: 0000-0002-6509-3792
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science. (PriSec)
Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for HumanIT.ORCID iD: 0000-0001-6826-3358
Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Service Research Center.ORCID iD: 0000-0001-8102-8168
2016 (English)In: Proceedings of the International Symposium on Human Aspects of Information Security & Assurance, 2016Conference paper (Refereed)
Abstract [en]

In this paper, we discuss end user requirements that we elicited for the use of malleable signatures in a Cloud-based eHealth scenario. The concept of a malleable signature, which is a privacy enhancing cryptographic scheme that enables the redaction of personal information from signed documents while preserving the validity of the signature, might be counter- intuitive to end users as its functionality does not correspond to the one of a traditional signature scheme. A qualitative study via a series of semi-structured interviews and focus groups has been conducted to understand stakeholders’ opinions and concerns in regards to the possible applications of malleable signatures in the eHealth area, where a medical record is first digitally signed by a doctor and later redacted by the patient in the cloud. Results from this study yielded user requirements such as the need for suitable metaphors and guidelines, usable templates, and clear redaction policies. 

Place, publisher, year, edition, pages
2016.
Keyword [en]
HCI Requirements, Malleable Signatures, Usable Privacy, Cloud tools, eHealth
National Category
Computer Science Human Computer Interaction
Identifiers
URN: urn:nbn:se:kau:diva-43016OAI: oai:DiVA.org:kau-43016DiVA: diva2:937554
Conference
HAISA 2016 - the International Symposium on Human Aspects of Information Security & Assurance, Frankfurt Germany, 19th - 21st July 2016
Funder
EU, Horizon 2020, 4805
Available from: 2016-06-15 Created: 2016-06-15 Last updated: 2017-02-07Bibliographically approved

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Alaqra, AlaaFischer-Hübner, SimonePettersson, JohnWästlund, Erik
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CiteExportLink to record
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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
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  • asciidoc
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