Formal Analysis of Non-Malleability for Commitment Schemes in EasyCrypt
dc.contributor.advisor | Firsov, Denis, juhendaja | |
dc.contributor.advisor | Laur, Sven, juhendaja | |
dc.contributor.author | Zhuchko, Ekaterina | |
dc.contributor.other | Tartu Ülikool. Loodus- ja täppisteaduste valdkond | et |
dc.contributor.other | Tartu Ülikool. Arvutiteaduse instituut | et |
dc.date.accessioned | 2023-08-24T08:55:42Z | |
dc.date.available | 2023-08-24T08:55:42Z | |
dc.date.issued | 2022 | |
dc.description.abstract | In this work, we perform a formal analysis of definitions of non-malleability for commitment schemes in the EasyCrypt theorem prover. There are two distinct formulations of non-malleability found in the literature: the comparison-based definition and the simulation- based definition. In this paper, we do a formal analysis of both. We start by formally proving that the comparison-based definition which was originally introduced by Laur et al. is unsatisfiable. Also, we propose a novel formulation of simulation-based non-malleability. Moreover, we validate our definition by proving that it implies hiding and binding of commitment schemes. | et |
dc.identifier.uri | https://hdl.handle.net/10062/91731 | |
dc.language.iso | eng | et |
dc.publisher | Tartu Ülikool | et |
dc.rights | openAccess | et |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 International | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | Cryptography | et |
dc.subject | commitments | et |
dc.subject | non-malleability | et |
dc.subject | formal methods | et |
dc.subject | EasyCrypt | et |
dc.subject.other | magistritööd | et |
dc.subject.other | informaatika | et |
dc.subject.other | infotehnoloogia | et |
dc.subject.other | informatics | et |
dc.subject.other | infotechnology | et |
dc.title | Formal Analysis of Non-Malleability for Commitment Schemes in EasyCrypt | et |
dc.type | Thesis | et |
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