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Wednesday, 11 June 2014 SIOUX: secure online exams Markus Dahinden Department of Computer Science, ETH Zurich © Department of Computer Science | ETH Zürich.

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Presentation on theme: "Wednesday, 11 June 2014 SIOUX: secure online exams Markus Dahinden Department of Computer Science, ETH Zurich © Department of Computer Science | ETH Zürich."— Presentation transcript:

1 Wednesday, 11 June 2014 SIOUX: secure online exams Markus Dahinden Department of Computer Science, ETH Zurich © Department of Computer Science | ETH Zürich AAA/SWITCH infodays, Berne An AAA/SWITCH e-learning project

2 Wednesday, 11 June 2014 Department of Computer Science Topics 2/13 1.Project status 2.Important project findings 3.Outlook

3 Wednesday, 11 June 2014 Department of Computer Science project status: goal 1 Large scale computer-based assessment 3

4 Wednesday, 11 June 2014 Department of Computer Science project status: project goal 2 Fulfilling legal aspects provability of the exam process: are the results complete? are the results unmodified? 4

5 Wednesday, 11 June 2014 Department of Computer Science 5 project status: milestones

6 Wednesday, 11 June 2014 Department of Computer Science project status: system overview 6/13 Author-client Exam-client SIOUX server Tactical-client

7 Wednesday, 11 June 2014 Department of Computer Science important project findings Security digital signatures suit well into real world CBA systems and offer proof of the exam process sequence numbers help keeping track of the given answers Reliability Java-client-application can cope with network/server failure backup on USB-stick increases reliability Scalability optimised answer-persisting mechanism theoretically supports up to 400 students with one single Sioux-server (tested with 140) Sioux runs on most OS, different CBA scenarios possible 7


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