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Cryptographic test correction. (English) Zbl 1162.94381

Cramer, Ronald (ed.), Public key cryptography – PKC 2008. 11th international workshop on practice and theory in public-key cryptography, Barcelona, Spain, March 9–12, 2008. Proceedings. Berlin: Springer (ISBN 978-3-540-78440-1/pbk). Lecture Notes in Computer Science 4939, 85-100 (2008).
Summary: Multiple choice questionnaires (mcqs) are a widely-used assessment procedure where examinees are asked to select one or more choices from a list.
This invited talk explores the possibility of transferring a part of the mcq’s correction burden to the examinee when sophisticated technological means (e.g. optical character recognition systems) are unavailable. Evidently, such schemes must make cheating difficult or at least conspicuous.
We did not manage to devise a fully satisfactory solution (cheating strategies do exist) - but our experiments with a first clumsy system encouraged us to develop alternative mcq formats and analyze their performance and security.
For the entire collection see [Zbl 1130.94002].

MSC:

94A60 Cryptography
94A62 Authentication, digital signatures and secret sharing
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References:

[1] Moran, T.; Naor, M.; Vaudenay, S., Polling with Physical Envelopes: A Rigorous Analysis of a Human-Centric Protocol, Advances in Cryptology - EUROCRYPT 2006, 88-108 (2006), Heidelberg: Springer, Heidelberg · Zbl 1140.94363
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