Dimitrova, Vesna
Full Name
Dimitrova, Vesna
Main Affiliation
Email
vesna.dimitrova@finki.ukim.mk
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Subject
- 1 Artificial Intelligence , Cryptography , Security , Neural Networks
- 1 CyberMACS, cybersecurity, innovation in higher education, international collaboration, university-industry cooperation, human element in cybersecurity, cyber ecosystem.
- 1 lightweight cryptography, cryptanalysis, known plaintext attack, machine learning, deep learning
- 1 Machine learning, DES, Cryptanalysis, Neural networks, Datasets
- 1 Our research focuses on attacking Ascon, a lightweight block cipher presented as a candidate in the NIST Lightweight Cryptography Standardization Process. This block cipher provides authenticated encryption with associated data functionalities. We propose a cryptanalysis model based on deep learning (DL), where the goal is to predict plaintext bits given knowledge of the ciphertext and other publicly known cipher input parameters. Our experiments show that such knownplaintext attacks can be successfully executed on a round reduced version of the cipher stripped of the finalization phase. This, in turn, validates the theoretical results. Cryptographic algorithms are complex for the purpose of security and cannot be easily broken by an ML model in their regular form (not reduced). We explore multiple dataset generation techniques, model design, and training hyperparameters.
- 1 quasigroup string transformation, classification of quasigroups
- 1 quasigroup, string transformation, parastrophe, parastrophic fractal and parastrophic non-fractal quasigroup
- 1 recursively differentiable quasigroups, orthogonality
Date issued
Type
Fulltext
Results 1-10 of 10 (Search time: 0.008 seconds).
| Preview | Title | Author(s) | Issue Date | Type | |
|---|---|---|---|---|---|
| 1 | Security Penetration Test On Fcse's It Services | Bozhinovski, Radoslav; Dimitrova, Vesna ; Jakimovski, Boro ; Ristov, Sashko | 2013 | Proceedings | |
| 2 | Securing ai systems: A comprehensive overview of cryptographic techniques for enhanced confidentiality and integrity | Cano Garcia, Jose Luis; Udechukwu, Izuchukwu Patrick; Bolaji Ibrahim, Isiaq; Chukwu, Ikechukwu John; Dağ, Hasan; Dimitrova, Vesna ; Mollakuqe, Elissa | 11-Jun-2024 | Proceedings | |
| 3 | Parastrophic quasigroup string processing | Popovska-Mitrovikj, Aleksandra; Bakeva, Verica ; Dimitrova, Vesna | 2011 | Proceedings | |
| 4 | On Recursive Derivates of k-ary Operations | Mileva, Alexandra; Dimitrova, Vesna | 2017 | Proceedings | |
| 5 | MalDeWe: New Malware Website Detector Model based on Natural Language Processing using Balanced Dataset | Dobreva, Jovana; Popovska-Mitrovikj, Aleksandra; Dimitrova, Vesna | Dec-2021 | ||
| 6 | CYBERMACS ERASMUS MUNDUS PROJECT AS AN INNOVATIVE, INDUSTRY-FOCUSED INTERNATIONAL COLLABORATION ON CYBERSECURITY EDUCATION | Gücüyener, A; Dilan, E; Dimitrova, Vesna ; Chorbev, Ivan; Creutzburg, R; Dag, H | 2024 | Proceedings | |
| 7 | Cryptanalysis of Round-Reduced ASCON powered by ML | Jankovikj, Dushica; Mihajloska Trpceska, Hristina; Dimitrova, Vesna | 5-May-2022 | Proceedings | |
| 8 | Cryptanalysis of Round-Reduced ASCON powered by ML | Jankovikj, Dushica; Mihajloska Trpceska, Hristina; Dimitrova, Vesna | 2022 | Proceedings | |
| 9 | Classification of quasigroups by image patterns | Dimitrova, Vesna ; Markovski, Smile | 2007 | Proceedings | |
| 10 | Application of Machine Learning in DES Cryptanalysis | Andonov, Stefan ; Dobreva, Jovana; Lumburovska, Lina; Pavlov, Stefan; Dimitrova, Vesna ; Popovska Mitrovikj, Aleksandra | 24-Sep-2020 | Proceedings |