Łukasz Krzywiecki

Department of Fundamentals of Computer Science, Wrocław University of Science and Technology
☰ Contact Teaching Research Activity
Patents
Shlomi Dolev, Nisha Panwar, Michael Segal, Łukasz Krzywiecki
Certificating vehicle public key with vehicle attributes,
United States Patent: US 9,769,658 Β2. Date of Patent: Sep. 19, 2017.
Papers DBLPORCID iD icon
Papers Thematic bibliography, chronological list and keyword layer
Deniable Authentication, Anonymous Authentication, Identification, AKE
  • Nisha Panwar, Shantanu Sharma, Sharad Mehrotra, Lukasz Krzywiecki, Nalini Venkatasubramanian. Smart Home Survey on Security and Privacy. CoRR 2019. DBLP link
  • Maciej Grzeskowiak, Lukasz Krzywiecki, Karol Niczyj. Cryptanalysis of Human Identification Protocol with Human-Computable Passwords. ISPEC 2023: 347‑364. DOI: 10.1007/978-981-99-7032-2_21
  • Lukasz Krzywiecki, Hannes Salin. How to Design Authenticated Key Exchange for Wearable Devices: Cryptanalysis of AKE for Health Monitoring and Countermeasures via Distinct SMs with Key Split and Refresh. CANS 2022: 225‑244. DOI: 10.1007/978-3-031-20974-1_11
  • Przemyslaw Blaskiewicz, Bartosz Drzazga, Lukasz Krzywiecki, Damian Stygar, Piotr Syga. RFID Batch Authentication - A Usable Scheme Providing Anonymity. IEEE Access 10 (2022). DOI: 10.1109/ACCESS.2022.3197795
  • Łukasz Krzywiecki, Adam Bobowski, Patryk Kozieł, Marcin Słowik, Marta Słowik. Schnorr-like identification scheme resistant to malicious subliminal setting of ephemeral secret. Computer Networks (2020). Elsevier. DOI: 10.1016/j.comnet.2020.107346
  • Patryk Kozieł, Łukasz Krzywiecki, Damian Stygar. Identity-based Conditional Privacy-Preserving Authentication Scheme Resistant to Malicious Subliminal Setting of Ephemeral Secret. ICETE (2) SECRYPT 2019: 492‑497. DOI: 10.5220/0007954204920497
  • Łukasz Krzywiecki, Mirosław Kutyłowski, Jakub Pezda, Marcin Słowik. Anonymous Deniable Identification in Ephemeral Setup and Leakage Scenarios (Brief Announcement) . CSCML 2019: 320‑323. DOI: 10.1007/978-3-030-20951-3_27
  • Mirosław Kutyłowski, Łukasz Krzywiecki, Xiaofeng Chen. Rethinking Identification Protocols from the Point of View of the GDPR . CSCML 2019: 296‑315. DOI: 10.1007/978-3-030-20951-3_25
  • Łukasz Krzywiecki, Kamil Kluczniak, Patryk Koziel, Nisha Panwar. Privacy-Oriented Dependency via Deniable SIGMA Protocol . Computers & Security 79 (2018) 53–67. Elsevier. DOI: 10.1016/j.cose.2018.08.002
  • Lukasz Krzywiecki, Tomasz Wlislocki. Deniable Key Establishment Resistance against eKCI Attacks. Secur. Commun. Networks 2017: 7810352:1‑7810352:13. DOI: 10.1155/2017/7810352
  • Łukasz Krzywiecki, Marcin Słowik. Strongly Deniable Identification Schemes Immune to Prover's and Verifier's Ephemeral Leakage . SECITC 2017: 115‑128. DOI: 10.1007/978-3-319-69284-5_9
  • Łukasz Krzywiecki, Marta Wszoła and Mirosław Kutyłowski. Brief Announcement: Anonymous Credentials Secure to Ephemeral Leakage. CSCML 2017: 96‑98. DOI: 10.1007/978-3-319-60080-2_7
  • Lukasz Krzywiecki, Miroslaw Kutylowski. Security of Okamoto Identification Scheme: a Defense against Ephemeral Key Leakage and Setup. SCC@AsiaCCS 2017: 43‑50. DOI: 10.1145/3055259.3055267
  • Przemysław Błaśkiewicz, Łukasz Krzywiecki, Piotr Syga. RFID Tags Batch Authentication Revisited - Communication Overhead and Server Computational Complexity Limits. ISPEC 2016: 209‑223. DOI: 10.1007/978-3-319-49151-6_15
  • Łukasz Krzywiecki. Schnorr-like Identification Scheme Resistant to Malicious Subliminal Setting of Ephemeral Secret. SECITC 2016: 137‑148. DOI: 10.1007/978-3-319-47238-6_10
    Proof-of-Concept Implementation
  • Łukasz Krzywiecki. Anonymous Authentication Scheme Based on PUF. ICISC 2015: 359‑372. DOI: 10.1007/978-3-319-30840-1_23
  • Łukasz Krzywiecki. Deniable Version of SIGMA Key Exchange Protocol Resilient to Ephemeral Key Leakage. ProvSec 2014: 334‑341. DOI: 10.1007/978-3-319-12475-9_25
  • Lucjan Hanzlik, Kamil Kluczniak, Mirosław Kutyłowski, Łukasz Krzywiecki. Mutual Restricted Identification. EuroPKI 2013: 119‑133. DOI: 10.1007/978-3-642-53997-8_8
  • Lucjan Hanzlik, Łukasz Krzywiecki, Mirosław Kutyłowski. Simplified PACE|AA Protocol. ISPEC 2013: 218‑232. DOI: 10.1007/978-3-642-38033-4_16
  • Lucjan Hanzlik, Kamil Kluczniak, Łukasz Krzywiecki, Mirosław Kutyłowski. Mutual Chip Authentication. TrustCom/ISPA/IUCC 2013: 1683‑1689. DOI: 10.1109/TrustCom.2013.209
  • Mirosław Kutyłowski, Łukasz Krzywiecki, Przemysław Kubiak, Michał Koza. Restricted Identification Scheme and Diffie-Hellman Linking Problem. INTRUST 2011: 221‑238. DOI: 10.1007/978-3-642-32298-3_15
ML Security-Privacy-Verifiability & Blockchain
  • Krzysztof Talalaj, Lukasz Krzywiecki, Marcin Zawada. Privacy for AI Generated Images: Conditional Generative Adversarial Networks Trained Over Obfuscated Data. TrustCom 2025: 3005‑3010. DOI: 10.1109/Trustcom66490.2025.00357
  • Mikolaj Pietrek, Lukasz Krzywiecki, Karol Niczyj, Witold Karas. Verifiable and Robust Distributed Deep Learning based on Blockchain Infrastructure. TrustCom 2025: 2044‑2049. DOI: 10.1109/Trustcom66490.2025.00237
  • Łukasz Krzywiecki, Gabriel Wechta. Proof of Training: Obtaining Verifiable ML Models by Delegating Training to a Blockchain Network. ICCS 2025: 207‑221. DOI: 10.1007/978-3-031-97629-2_15
  • Bartłomiej Dzikowski, Łukasz Krzywiecki, Ksawery Możdżynski, Karol Niczyj, Hannes Salin. Distributed Data Possession - Blockchain Based Scalability. TrustCom 2024: 2523‑2528. DOI: 10.1109/TrustCom63139.2024.00351
  • Karolina Bąk, Hannes Salin, Karol Niczyj, Łukasz Krzywiecki. Enhancing Tunnel Safety for Dangerous Goods Vehicles through Blockchain-Based Time-Stamping. TrustCom 2023: 1312‑1317 DOI: 10.1109/TrustCom60117.2023.00179
  • Łukasz Krzywiecki, Tadeusz Kulczycki, Christian Emmanuel Nteranya, Andrzej Stos. Detectable Mislabeling - Can Faulty AI Models be Recognized from Incomplete Memory Traces?. TrustCom 2024: 2382‑2387 DOI: 10.1109/TrustCom63139.2024.00329
  • Kewin Ignasiak, Wojciech Kowalczyk, Łukasz Krzywiecki, Mateusz Nasewicz, Hannes Salin, Marcin Zawada. Privacy-Preserving Real-Time Gesture Recognition using Cloud-Trained Neural Networks. TrustCom 2024: 2388‑2393 DOI: 10.1109/TrustCom63139.2024.00330
  • Łukasz Krzywiecki, Krzysztof Szymaniak, Marcin Zawada. Privacy Preservation in Cloud-Based Distributed Learning through Data Encoding and Partitioning. TrustCom 2024: 2424‑2429 DOI: 10.1109/TrustCom63139.2024.00335
  • Łukasz Krzywiecki, Grzegorz Zaborowski, Marcin Zawada. Too Noisy, or Not Too Noisy? A Private Training in Machine Learning. TrustCom 2023: 149‑156 DOI: 10.1109/TrustCom60117.2023.00041
VANET Protocols
  • Hannes Salin, Lukasz Krzywiecki. A Source Hiding Protocol for Cooperative Intelligent Transportation Systems (C-ITS). ISPEC 2023: 365‑379. DOI: 10.1007/978-981-99-7032-2_22
  • Łukasz Krzywiecki, Hannes Salin and Mateusz Jachniak. Certificateless Multi-Party Authenticated Encryption Mitigating Ephemeral Key Leakage. NCA 2021: 1‑8. DOI: 10.1109/NCA53618.2021.9685848
  • Lukasz Krzywiecki, Hannes Salin, Nisha Panwar, Mykola Pavlov. Proxy Signcryption Scheme for Vehicle Infrastructure Immune to Randomness Leakage and Setup Attacks. NCA 2020: 1‑8. DOI: 10.1109/NCA51143.2020.9306703
  • Łukasz Krzywiecki, Patryk Kozieł, Nisha Panwar. Signature Based Authentication for Ephemeral Setup Attacks in Vehicular Sensor Networks. NCA 2019: 1‑4. DOI: 10.1109/NCA.2019.8935058
  • Shlomi Dolev, Łukasz Krzywiecki, Nisha Panwar, Michael Segal. Dynamic Attribute Based Vehicle Authentication. Wireless Networks 23(4): 1045‑1062 (2017). DOI: 10.1007/s11276-016-1203-5
  • Shlomi Dolev, Łukasz Krzywiecki, Nisha Panwar, Michael Segal. Optical PUF for Non-Forwardable Vehicle Authentication. Computer Communications 93: 52‑67 (2016). DOI: 10.1016/j.comcom.2016.05.016
  • Shlomi Dolev, Łukasz Krzywiecki, Nisha Panwar, Michael Segal. Vehicle Authentication via Monolithically Certified Public Key and Attributes. Wireless Networks 22(3): 879‑896 (2016). DOI: 10.1007/s11276-015-1005-1
  • Shlomi Dolev, Łukasz Krzywiecki, Nisha Panwar, Michael Segal. Optical PUF for Non Forwardable Vehicle Authentication. NCA 2015: 204‑207. DOI: 10.1109/NCA.2015.25
  • Shlomi Dolev, Łukasz Krzywiecki, Nisha Panwar, Michael Segal. Dynamic Attribute Based Vehicle Authentication. NCA 2014: 1‑8. DOI: 10.1109/NCA.2014.5
  • Shlomi Dolev, Łukasz Krzywiecki, Nisha Panwar, Michael Segal. Certificating Vehicle Public Key with Vehicle Attributes A (periodical) Licensing Routine, Against Man-in-the-Middle Attacks and Beyond. ASCoMS@SAFECOMP 2013. DBLP link
  • Shlomi Dolev, Łukasz Krzywiecki, Nisha Panwar, Michael Segal. Vehicle to Vehicle Authentication. CoRR abs/1508.01324 (2015). DBLP link
Signatures and Signcryptions
  • Łukasz Krzywiecki, Witold Karaś, Adam Niezgoda, Karol Niczyj. Hierarchical Ring Signatures with Hidden Signature Functionality over Blockchain Infrastructure. TrustCom 2025: 2010‑2015. DOI: 10.1109/Trustcom66490.2025.00233
  • Łukasz Krzywiecki, Hannes Salin. Short Signatures via Multiple Hardware Security Modules with Key Splitting in Circuit Breaking Environments. TrustCom 2022: 1528‑1533. DOI: 10.1109/TrustCom56396.2022.00218
  • Lukasz Krzywiecki, Adam Polubek, Hannes Salin. Multi-Signature Scheme Resistant to Randomness Injection Attacks - A Bitcoin Case. NCA 2021: 1‑4. DOI: 10.1109/NCA53618.2021.9685253
  • Łukasz Krzywiecki, Mirosław Kutyłowski, Rafał Rothenberger, Bartosz Drzazga. Hierarchical Ring Signatures Immune to Randomness Injection Attacks. CSCML 2021: 171‑186. DOI: 10.1007/978-3-030-78086-9_13
  • Łukasz Krzywiecki, Marta Słowik, Michał Szala. Identity-Based Signature Scheme Secure in Ephemeral Setup and Leakage Scenarios. ISPEC 2019: 310‑324. DOI: 10.1007/978-3-030-34339-2_17
  • Przemysław Błaśkiewicz, Lucjan Hanzlik, Kamil Kluczniak, Łukasz Krzywiecki, Mirosław Kutyłowski, Marcin Słowik, Marta Wszoła. Pseudonymous Signature Schemes. Advances in Cyber Security: Principles, Techniques, and Applications. Pages 185‑255. Springer 2019. DOI: 10.1007/978-981-13-1483-4_8
    Proof-of-Concept Implementation
  • Łukasz Krzywiecki, Malgorzata Sulkowska, Filip Zagórski. Hierarchical Ring Signatures Revisited - Unconditionally and Perfectly Anonymous Schnorr Version. SPACE 2015: 329‑346. DOI: 10.1007/978-3-319-24126-5_19
  • Marek Klonowski, Łukasz Krzywiecki, Mirosław Kutyłowski, Anna Lauks. Step-out group signatures. Computing 85(1‑2): 137‑151 (2009). DOI: 10.1007/s00607-009-0040-0
  • Marek Klonowski, Łukasz Krzywiecki, Mirosław Kutyłowski, Anna Lauks. Step-Out Ring Signatures. MFCS 2008: 431‑442. DOI: 10.1007/978-3-540-85238-4_35
Post-Quantum Crypto
Anonymous Broadcast Encryption
  • Łukasz Krzywiecki, Mirosław Kutyłowski. Coalition Resistant Anonymous Broadcast Encryption Scheme Based on PUF. TRUST 2011: 48‑62. DOI: 10.1007/978-3-642-21599-5_4
  • Łukasz Krzywiecki, Mirosław Kutyłowski, Maciej Nikodem. General anonymous key broadcasting via Lagrangian interpolation. IET Information Security 2(3): 79‑84 (2008). DOI: 10.1049/iet-ifs:20070122
  • Łukasz Krzywiecki, Przemysław Kubiak, Mirosław Kutyłowski. A Revocation Scheme Preserving Privacy. Inscrypt 2006: 130‑143. DOI: 10.1007/11937807_11
  • Jacek Cichoń, Łukasz Krzywiecki, Mirosław Kutyłowski, Pawel Wlaź. Anonymous Distribution of Encryption Keys in Cellular Broadcast Systems. MADNES 2005: 96‑109. DOI: 10.1007/11801412_9
Cloud Computing
  • Bartosz Drzazga, Łukasz Krzywiecki, Hannes Salin. Cryptanalysis of Deterministic and Probabilistic Multi-Copy PDP Schemes For Cloud Storage - Attacks and Countermeasures. TrustCom 2021: 172‑179. DOI: 10.1109/TrustCom53373.2021.00040
  • Łukasz Krzywiecki, Krzysztof Majcher and Wojciech Macyna. Efficient Probabilistic Methods for Proof of Possession in Clouds. DMBD 2016: 364‑372. DOI: 10.1007/978-3-319-40973-3_36
  • Łukasz Krzywiecki, Mirosław Kutyłowski. Proof of Possession for Cloud Storage via Lagrangian Interpolation Techniques. NSS 2012: 305‑319. DOI: 10.1007/978-3-642-34601-9_23
  • Łukasz Krzywiecki, Mirosław Kutyłowski, Hubert Misztela, Tomasz Strumiński. Private Information Retrieval with a Trusted Hardware Unit - Revisited. Inscrypt 2010: 373‑386. DOI: 10.1007/978-3-642-21518-6_26
Other Topics
  • Łukasz Krzywiecki, Mirosław Kutyłowski. Lagrangian E-Voting: Verifiability on Demand and Strong Privacy. TRUST 2010: 109‑123. DOI: 10.1007/978-3-642-13869-0_8
  • Łukasz Krzywiecki, Przemysław Kubiak, Mirosław Kutyłowski. Probabilistic Admissible Encoding on Elliptic Curves - Towards PACE with Generalized Integrated Mapping. SOFSEM 2014: 395‑406. DOI: 10.1007/978-3-319-04298-5_35
  • Łukasz Krzywiecki, Przemysław Kubiak, Mirosław Kutyłowski. Stamp and Extend - Instant But Undeniable Timestamping Based on Lazy Trees. INTRUST 2012: 5‑24. DOI: 10.1007/978-3-642-35371-0_2
  • Jacek Cichon, Marek Klonowski, Lukasz Krzywiecki, Bartlomiej Rózanski, Pawel Zielinski. Random Subsets of the Interval and P2P Protocols. APPROX-RANDOM 2007: 409‑421. DOI: 10.1007/978-3-540-74208-1_30
Security Administrative and Business Model
  • Mirosław Kutyłowski, Lucjan Hanzlik, Kamil Kluczniak, Przemysław Kubiak, Łukasz Krzywiecki. Forbidden City Model - Towards a Practice Relevant Framework for Designing Cryptographic Protocols. ISPEC 2014: 42‑59. DOI: 10.1007/978-3-319-06320-1_5
  • Łukasz Krzywiecki, Przemysław Kubiak, Mirosław Kutyłowski, Michał Tabor, Daniel Wachnik. Lightweight Certificates - Towards a Practical Model for PKI. BIS 2012: 296‑307. DOI: 10.1007/978-3-642-30359-3_26
  • Mirosław Kutyłowski, Przemysław Blaskiewicz, Łukasz Krzywiecki, Przemysław Kubiak, Wieslaw Paluszynski, Michal Tabor. Technical and Legal Meaning of "Sole Control" - Towards Verifiability in Signing Systems. BIS (Workshops) 2011: 270‑281. DOI: 10.1007/978-3-642-25370-6_27