Please note that LibreCat no longer supports Internet Explorer versions 8 or 9 (or earlier).

We recommend upgrading to the latest Internet Explorer, Google Chrome, or Firefox.

Miguel Cueto Noval

Christoph Günther

Anshu Yadav

Akin Ünal

Mirza Baig

Krzysztof Pietrzak

Charlotte Hoffmann

Benedikt Auerbach

Guillermo Pascual Perez

Karen Klein

Chethan Kamath Hosdurg

Michelle Yeo

Hamza Abusalah

Peter Gazi

Georgia Avarikioti

Schipper, Joachim

Suvradip Chakraborty

Michal Rybar

Georg Fuchsbauer

Michael Walter

Joel Alwen

Stephan Krenn



127 Publications

2020 | Thesis | IST-REx-ID: 7896 | OA
Kamath Hosdurg, Chethan. “On the Average-Case Hardness of Total Search Problems.” Institute of Science and Technology Austria, 2020. https://doi.org/10.15479/AT:ISTA:7896.
[Published Version] View | Files available | DOI
 
2019 | Journal Article | IST-REx-ID: 5887 | OA
Demay, Gregory, Peter Gazi, Ueli Maurer, and Bjorn Tackmann. “Per-Session Security: Password-Based Cryptography Revisited.” Journal of Computer Security. IOS Press, 2019. https://doi.org/10.3233/JCS-181131.
[Preprint] View | DOI | Download Preprint (ext.)
 
2019 | Conference Paper | IST-REx-ID: 6528 | OA
Pietrzak, Krzysztof Z. “Simple Verifiable Delay Functions.” In 10th Innovations in Theoretical Computer Science Conference, Vol. 124. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2019. https://doi.org/10.4230/LIPICS.ITCS.2019.60.
[Published Version] View | Files available | DOI | Download Published Version (ext.)
 
2019 | Book Chapter | IST-REx-ID: 6726 | OA
Walter, Michael. “Sampling the Integers with Low Relative Error.” In Progress in Cryptology – AFRICACRYPT 2019, edited by J Buchmann, A Nitaj, and T Rachidi, 11627:157–80. LNCS. Cham: Springer Nature, 2019. https://doi.org/10.1007/978-3-030-23696-0_9.
[Preprint] View | DOI | Download Preprint (ext.)
 
2019 | Conference Paper | IST-REx-ID: 7136 | OA
Skórski, Maciej. “Strong Chain Rules for Min-Entropy under Few Bits Spoiled.” In 2019 IEEE International Symposium on Information Theory. IEEE, 2019. https://doi.org/10.1109/isit.2019.8849240.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
2019 | Conference Paper | IST-REx-ID: 7411 | OA
Abusalah, Hamza M, Chethan Kamath Hosdurg, Karen Klein, Krzysztof Z Pietrzak, and Michael Walter. “Reversible Proofs of Sequential Work.” In Advances in Cryptology – EUROCRYPT 2019, 11477:277–91. Springer International Publishing, 2019. https://doi.org/10.1007/978-3-030-17656-3_10.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2019 | Conference Paper | IST-REx-ID: 6677 | OA
Choudhuri, Arka Rai, Pavel Hubáček, Chethan Kamath Hosdurg, Krzysztof Z Pietrzak, Alon Rosen, and Guy N. Rothblum. “Finding a Nash Equilibrium Is No Easier than Breaking Fiat-Shamir.” In Proceedings of the 51st Annual ACM SIGACT Symposium on Theory of Computing  - STOC 2019, 1103–14. ACM Press, 2019. https://doi.org/10.1145/3313276.3316400.
[Preprint] View | Files available | DOI | Download Preprint (ext.) | WoS
 
2019 | Conference Paper | IST-REx-ID: 6430 | OA
Fuchsbauer, Georg, Chethan Kamath Hosdurg, Karen Klein, and Krzysztof Z Pietrzak. “Adaptively Secure Proxy Re-Encryption,” 11443:317–46. Springer Nature, 2019. https://doi.org/10.1007/978-3-030-17259-6_11.
[Preprint] View | Files available | DOI | Download Preprint (ext.)
 
2018 | Journal Article | IST-REx-ID: 10286 | OA
Allini, Elie Noumon, Maciej Skórski, Oto Petura, Florent Bernard, Marek Laban, and Viktor Fischer. “Evaluation and Monitoring of Free Running Oscillators Serving as Source of Randomness.” IACR Transactions on Cryptographic Hardware and Embedded Systems. International Association for Cryptologic Research, 2018. https://doi.org/10.13154/tches.v2018.i3.214-242.
[Published Version] View | Files available | DOI
 
2018 | Conference Paper | IST-REx-ID: 7407 | OA
Pietrzak, Krzysztof Z. “Proofs of Catalytic Space.” In 10th Innovations in Theoretical Computer Science  Conference (ITCS 2019), 124:59:1-59:25. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2018. https://doi.org/10.4230/LIPICS.ITCS.2019.59.
[Published Version] View | Files available | DOI | Download Published Version (ext.)
 
2018 | Thesis | IST-REx-ID: 83 | OA
Abusalah, Hamza M. “Proof Systems for Sustainable Decentralized Cryptocurrencies.” Institute of Science and Technology Austria, 2018. https://doi.org/10.15479/AT:ISTA:TH_1046.
[Published Version] View | Files available | DOI
 
2018 | Conference Paper | IST-REx-ID: 108 | OA
Obremski, Marciej, and Maciej Skórski. “Inverted Leftover Hash Lemma,” Vol. 2018. IEEE, 2018. https://doi.org/10.1109/ISIT.2018.8437654.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2018 | Journal Article | IST-REx-ID: 107 | OA
Dziembowski, Stefan, Krzysztof Z Pietrzak, and Daniel Wichs. “Non-Malleable Codes.” Journal of the ACM. ACM, 2018. https://doi.org/10.1145/3178432.
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
2018 | Conference Paper | IST-REx-ID: 193 | OA
Alwen, Joel F, Peter Gazi, Chethan Kamath Hosdurg, Karen Klein, Georg F Osang, Krzysztof Z Pietrzak, Lenoid Reyzin, Michal Rolinek, and Michal Rybar. “On the Memory Hardness of Data Independent Password Hashing Functions.” In Proceedings of the 2018 on Asia Conference on Computer and Communication Security, 51–65. ACM, 2018. https://doi.org/10.1145/3196494.3196534.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2018 | Conference Paper | IST-REx-ID: 300 | OA
Micciancio, Daniele, and Michael Walter. “On the Bit Security of Cryptographic Primitives,” 10820:3–28. Springer, 2018. https://doi.org/10.1007/978-3-319-78381-9_1.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2018 | Conference Paper | IST-REx-ID: 302 | OA
Cohen, Bram, and Krzysztof Z Pietrzak. “Simple Proofs of Sequential Work,” 10821:451–67. Springer, 2018. https://doi.org/10.1007/978-3-319-78375-8_15.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2018 | Conference Paper | IST-REx-ID: 298 | OA
Alwen, Joel F, Jeremiah Blocki, and Krzysztof Z Pietrzak. “Sustained Space Complexity,” 10821:99–130. Springer, 2018. https://doi.org/10.1007/978-3-319-78375-8_4.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
2018 | Journal Article | IST-REx-ID: 5980
Chatterjee, Sanjit, Chethan Kamath Hosdurg, and Vikas Kumar. “Private Set-Intersection with Common Set-Up.” American Institute of Mathematical Sciences. AIMS, 2018. https://doi.org/10.3934/amc.2018002.
View | DOI | WoS
 
2018 | Conference Paper | IST-REx-ID: 6941 | OA
Park, Sunoo, Albert Kwon, Georg Fuchsbauer, Peter Gazi, Joel F Alwen, and Krzysztof Z Pietrzak. “SpaceMint: A Cryptocurrency Based on Proofs of Space.” In 22nd International Conference on Financial Cryptography and Data Security, 10957:480–99. Springer Nature, 2018. https://doi.org/10.1007/978-3-662-58387-6_26.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2017 | Conference Paper | IST-REx-ID: 1175 | OA
Alwen, Joel F, Susanna De Rezende, Jakob Nordstrom, and Marc Vinyals. “Cumulative Space in Black-White Pebbling and Resolution.” edited by Christos Papadimitriou, 67:38:1-38-21. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017. https://doi.org/10.4230/LIPIcs.ITCS.2017.38.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 605 | OA
Brody, Joshua, Stefan Dziembowski, Sebastian Faust, and Krzysztof Z Pietrzak. “Position Based Cryptography and Multiparty Communication Complexity.” edited by Yael Kalai and Leonid Reyzin, 10677:56–81. Springer, 2017. https://doi.org/10.1007/978-3-319-70500-2_3.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 609 | OA
Alwen, Joel F, and Björn Tackmann. “Moderately Hard Functions: Definition, Instantiations, and Applications.” edited by Yael Kalai and Leonid Reyzin, 10677:493–526. Springer, 2017. https://doi.org/10.1007/978-3-319-70500-2_17.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 635 | OA
Alwen, Joel F, Binchi Chen, Krzysztof Z Pietrzak, Leonid Reyzin, and Stefano Tessaro. “Scrypt Is Maximally Memory Hard.” edited by Jean-Sébastien Coron and Jesper Buus Nielsen, 10212:33–62. Springer, 2017. https://doi.org/10.1007/978-3-319-56617-7_2.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 640 | OA
Alwen, Joel F, Jeremiah Blocki, and Krzysztof Z Pietrzak. “Depth-Robust Graphs and Their Cumulative Memory Complexity.” edited by Jean-Sébastien Coron and Jesper Buus Nielsen, 10212:3–32. Springer, 2017. https://doi.org/10.1007/978-3-319-56617-7_1.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 648 | OA
Skórski, Maciej. “On the Complexity of Breaking Pseudoentropy.” edited by Gerhard Jäger and Silvia Steila, 10185:600–613. Springer, 2017. https://doi.org/10.1007/978-3-319-55911-7_43.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 650 | OA
Skórski, Maciej. “A Cryptographic View of Regularity Lemmas: Simpler Unified Proofs and Refined Bounds.” edited by Gerhard Jäger and Silvia Steila, 10185:586–99. Springer, 2017. https://doi.org/10.1007/978-3-319-55911-7_42.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 6527 | OA
Alwen, Joel F, Jeremiah Blocki, and Ben Harsha. “Practical Graphs for Optimal Side-Channel Resistant Memory-Hard Functions.” In Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security, 1001–17. ACM Press, 2017. https://doi.org/10.1145/3133956.3134031.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 6526 | OA
Skórski, Maciej. “On the Complexity of Estimating Rènyi Divergences.” In 2017 IEEE International Symposium on Information Theory (ISIT). IEEE, 2017. https://doi.org/10.1109/isit.2017.8006529.
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
2017 | Conference Paper | IST-REx-ID: 697 | OA
Pietrzak, Krzysztof Z, and Maciej Skórski. “Non Uniform Attacks against Pseudoentropy,” Vol. 80. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017. https://doi.org/10.4230/LIPIcs.ICALP.2017.39.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 710 | OA
Obremski, Maciej, and Maciej Skórski. “Renyi Entropy Estimation Revisited,” Vol. 81. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017. https://doi.org/10.4230/LIPIcs.APPROX-RANDOM.2017.20.
[Published Version] View | Files available | DOI
 
2017 | Thesis | IST-REx-ID: 838 | OA
Rybar, Michal. “(The Exact Security of) Message Authentication Codes.” Institute of Science and Technology Austria, 2017. https://doi.org/10.15479/AT:ISTA:th_828.
[Published Version] View | Files available | DOI
 
2017 | Journal Article | IST-REx-ID: 6196 | OA
Gazi, Peter, Krzysztof Z Pietrzak, and Michal Rybar. “The Exact Security of PMAC.” IACR Transactions on Symmetric Cryptology. Ruhr University Bochum, 2017. https://doi.org/10.13154/TOSC.V2016.I2.145-161.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 559 | OA
Abusalah, Hamza M, Joel F Alwen, Bram Cohen, Danylo Khilko, Krzysztof Z Pietrzak, and Leonid Reyzin. “Beyond Hellman’s Time-Memory Trade-Offs with Applications to Proofs of Space,” 10625:357–79. Springer, 2017. https://doi.org/10.1007/978-3-319-70697-9_13.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 637 | OA
Jafargholi, Zahra, Chethan Kamath Hosdurg, Karen Klein, Ilan Komargodski, Krzysztof Z Pietrzak, and Daniel Wichs. “Be Adaptive Avoid Overcommitting.” edited by Jonathan Katz and Hovav Shacham, 10401:133–63. Springer, 2017. https://doi.org/10.1007/978-3-319-63688-7_5.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 1174 | OA
Skórski, Maciej. “Lower Bounds on Key Derivation for Square-Friendly Applications,” Vol. 66. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017. https://doi.org/10.4230/LIPIcs.STACS.2017.57.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2017 | Conference Paper | IST-REx-ID: 1176 | OA
Alwen, Joel F, and Jeremiah Blocki. “Towards Practical Attacks on Argon2i and Balloon Hashing.” IEEE, 2017. https://doi.org/10.1109/EuroSP.2017.47.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2017 | Journal Article | IST-REx-ID: 1187 | OA
Kiltz, Eike, Krzysztof Z Pietrzak, Daniele Venturi, David Cash, and Abhishek Jain. “Efficient Authentication from Hard Learning Problems.” Journal of Cryptology. Springer, 2017. https://doi.org/10.1007/s00145-016-9247-3.
[Submitted Version] View | Files available | DOI | WoS
 
2016 | Journal Article | IST-REx-ID: 1177 | OA
Kamath Hosdurg, Chethan, and Sanjit Chatterjee. “A Closer Look at Multiple-Forking: Leveraging (in)Dependence for a Tighter Bound.” Algorithmica. Springer, 2016. https://doi.org/10.1007/s00453-015-9997-6.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2016 | Conference Paper | IST-REx-ID: 1179 | OA
Pietrzak, Krzysztof Z, and Skorski Maciej. “Pseudoentropy: Lower-Bounds for Chain Rules and Transformations,” 9985:183–203. Springer, 2016. https://doi.org/10.1007/978-3-662-53641-4_8.
[Preprint] View | DOI | Download Preprint (ext.)
 
2016 | Conference Paper | IST-REx-ID: 1231 | OA
Alwen, Joel F, Binyi Chen, Chethan Kamath Hosdurg, Vladimir Kolmogorov, Krzysztof Z Pietrzak, and Stefano Tessaro. “On the Complexity of Scrypt and Proofs of Space in the Parallel Random Oracle Model,” 9666:358–87. Springer, 2016. https://doi.org/10.1007/978-3-662-49896-5_13.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2016 | Conference Paper | IST-REx-ID: 1233 | OA
Fuchsbauer, Georg, Felix Heuer, Eike Kiltz, and Krzysztof Z Pietrzak. “Standard Security Does Imply Security against Selective Opening for Markov Distributions,” 9562:282–305. Springer, 2016. https://doi.org/10.1007/978-3-662-49096-9_12.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2016 | Conference Paper | IST-REx-ID: 1365 | OA
Alwen, Joel F, and Jeremiah Blocki. “Efficiently Computing Data-Independent Memory-Hard Functions,” 9815:241–71. Springer, 2016. https://doi.org/10.1007/978-3-662-53008-5_9.
[Preprint] View | DOI | Download Preprint (ext.)
 
2016 | Conference Paper | IST-REx-ID: 1366 | OA
Gazi, Peter, and Stefano Tessaro. “Provably Robust Sponge-Based PRNGs and KDFs,” 9665:87–116. Springer, 2016. https://doi.org/10.1007/978-3-662-49890-3_4.
[Preprint] View | DOI | Download Preprint (ext.)
 
2016 | Journal Article | IST-REx-ID: 1592
Abe, Masayuki, Georg Fuchsbauer, Jens Groth, Kristiyan Haralambiev, and Miyako Ohkubo. “Structure Preserving Signatures and Commitments to Group Elements.” Journal of Cryptology. Springer, 2016. https://doi.org/10.1007/s00145-014-9196-7.
View | DOI
 
2016 | Conference Paper | IST-REx-ID: 1225 | OA
Fuchsbauer, Georg, Christian Hanser, Chethan Kamath Hosdurg, and Daniel Slamanig. “Practical Round-Optimal Blind Signatures in the Standard Model from Weaker Assumptions,” 9841:391–408. Springer, 2016. https://doi.org/10.1007/978-3-319-44618-9_21.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.)
 
2016 | Conference Paper | IST-REx-ID: 1653 | OA
Okamoto, Tatsuaki, Krzysztof Z Pietrzak, Brent Waters, and Daniel Wichs. “New Realizations of Somewhere Statistically Binding Hashing and Positional Accumulators,” 9452:121–45. Springer, 2016. https://doi.org/10.1007/978-3-662-48797-6_6.
[Submitted Version] View | Files available | DOI
 
2016 | Journal Article | IST-REx-ID: 1479 | OA
Krenn, Stephan, Krzysztof Z Pietrzak, Akshay Wadia, and Daniel Wichs. “A Counterexample to the Chain Rule for Conditional HILL Entropy.” Computational Complexity. Springer, 2016. https://doi.org/10.1007/s00037-015-0120-9.
[Submitted Version] View | Files available | DOI
 
2016 | Conference Paper | IST-REx-ID: 1229 | OA
Abusalah, Hamza M, Georg Fuchsbauer, and Krzysztof Z Pietrzak. “Offline Witness Encryption,” 9696:285–303. Springer, 2016. https://doi.org/10.1007/978-3-319-39555-5_16.
[Submitted Version] View | Files available | DOI
 
2016 | Conference Paper | IST-REx-ID: 1236 | OA
Abusalah, Hamza M, Georg Fuchsbauer, and Krzysztof Z Pietrzak. “Constrained PRFs for Unbounded Inputs,” 9610:413–28. Springer, 2016. https://doi.org/10.1007/978-3-319-29485-8_24.
[Submitted Version] View | Files available | DOI
 
2016 | Conference Paper | IST-REx-ID: 1235 | OA
Abusalah, Hamza M, and Georg Fuchsbauer. “Constrained PRFs for Unbounded Inputs with Short Keys,” 9696:445–63. Springer, 2016. https://doi.org/10.1007/978-3-319-39555-5_24.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.)
 

Search

Filter Publications

    • Display / Sort

    Citation Style: Chicago

    Export / Embed