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Mirza Baig

Charlotte Hoffmann

Christoph Günther

Guillermo Pascual Perez

Benedikt Auerbach

Krzysztof Pietrzak

Miguel Cueto Noval

Akin Ünal

Anshu Yadav

Hamza Abusalah

Georg Fuchsbauer

Georgia Avarikioti

Joel Alwen

Stephan Krenn

Schipper, Joachim

Michelle Yeo

Chethan Kamath Hosdurg

Michael Walter

Michal Rybar

Karen Klein

Suvradip Chakraborty

Peter Gazi



127 Publications

2021 | Conference Paper | IST-REx-ID: 9969 | OA
LightPIR: Privacy-preserving route discovery for payment channel networks
K.Z. Pietrzak, I. Salem, S. Schmid, M.X. Yeo, in:, IEEE, 2021.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.) | WoS | arXiv
 
2020 | Conference Paper | IST-REx-ID: 8322 | OA
Reverse firewalls for actively secure MPCs
S. Chakraborty, S. Dziembowski, J.B. Nielsen, in:, Advances in Cryptology – CRYPTO 2020, Springer Nature, 2020, pp. 732–762.
[Preprint] View | DOI | Download Preprint (ext.)
 
2020 | Conference Paper | IST-REx-ID: 8339 | OA
Improved discrete Gaussian and subgaussian analysis for lattice cryptography
N. Genise, D. Micciancio, C. Peikert, M. Walter, in:, 23rd IACR International Conference on the Practice and Theory of Public-Key Cryptography, Springer Nature, 2020, pp. 623–651.
[Preprint] View | DOI | Download Preprint (ext.)
 
2020 | Conference Paper | IST-REx-ID: 8987 | OA
Delayed authentication: Preventing replay and relay attacks in private contact tracing
K.Z. Pietrzak, in:, Progress in Cryptology, Springer Nature, 2020, pp. 3–15.
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
2020 | Conference Paper | IST-REx-ID: 7966 | OA
Everybody’s a target: Scalability in public-key encryption
B. Auerbach, F. Giacon, E. Kiltz, in:, Advances in Cryptology – EUROCRYPT 2020, Springer Nature, 2020, pp. 475–506.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2020 | Thesis | IST-REx-ID: 7896 | OA
On the average-case hardness of total search problems
C. Kamath Hosdurg, On the Average-Case Hardness of Total Search Problems, Institute of Science and Technology Austria, 2020.
[Published Version] View | Files available | DOI
 
2019 | Journal Article | IST-REx-ID: 5887 | OA
Per-session security: Password-based cryptography revisited
G. Demay, P. Gazi, U. Maurer, B. Tackmann, Journal of Computer Security 27 (2019) 75–111.
[Preprint] View | DOI | Download Preprint (ext.)
 
2019 | Conference Paper | IST-REx-ID: 6528 | OA
Simple verifiable delay functions
K.Z. Pietrzak, in:, 10th Innovations in Theoretical Computer Science Conference, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2019.
[Published Version] View | Files available | DOI | Download Published Version (ext.)
 
2019 | Book Chapter | IST-REx-ID: 6726 | OA
Sampling the integers with low relative error
M. Walter, in:, J. Buchmann, A. Nitaj, T. Rachidi (Eds.), Progress in Cryptology – AFRICACRYPT 2019, Springer Nature, Cham, 2019, pp. 157–180.
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2019 | Conference Paper | IST-REx-ID: 7136 | OA
Strong chain rules for min-entropy under few bits spoiled
M. Skórski, in:, 2019 IEEE International Symposium on Information Theory, IEEE, 2019.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
2019 | Conference Paper | IST-REx-ID: 7411 | OA
Reversible proofs of sequential work
H.M. Abusalah, C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, M. Walter, in:, Advances in Cryptology – EUROCRYPT 2019, Springer International Publishing, 2019, pp. 277–291.
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2019 | Conference Paper | IST-REx-ID: 6677 | OA
Finding a Nash equilibrium is no easier than breaking Fiat-Shamir
A.R. Choudhuri, P. Hubáček, C. Kamath Hosdurg, K.Z. Pietrzak, A. Rosen, G.N. Rothblum, in:, Proceedings of the 51st Annual ACM SIGACT Symposium on Theory of Computing  - STOC 2019, ACM Press, 2019, pp. 1103–1114.
[Preprint] View | Files available | DOI | Download Preprint (ext.) | WoS
 
2019 | Conference Paper | IST-REx-ID: 6430 | OA
Adaptively secure proxy re-encryption
G. Fuchsbauer, C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, in:, Springer Nature, 2019, pp. 317–346.
[Preprint] View | Files available | DOI | Download Preprint (ext.)
 
2018 | Journal Article | IST-REx-ID: 10286 | OA
Evaluation and monitoring of free running oscillators serving as source of randomness
E.N. Allini, M. Skórski, O. Petura, F. Bernard, M. Laban, V. Fischer, IACR Transactions on Cryptographic Hardware and Embedded Systems 2018 (2018) 214–242.
[Published Version] View | Files available | DOI
 
2018 | Conference Paper | IST-REx-ID: 7407 | OA
Proofs of catalytic space
K.Z. Pietrzak, in:, 10th Innovations in Theoretical Computer Science  Conference (ITCS 2019), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2018, p. 59:1-59:25.
[Published Version] View | Files available | DOI | Download Published Version (ext.)
 
2018 | Thesis | IST-REx-ID: 83 | OA
Proof systems for sustainable decentralized cryptocurrencies
H.M. Abusalah, Proof Systems for Sustainable Decentralized Cryptocurrencies, Institute of Science and Technology Austria, 2018.
[Published Version] View | Files available | DOI
 
2018 | Conference Paper | IST-REx-ID: 108 | OA
Inverted leftover hash lemma
M. Obremski, M. Skórski, in:, IEEE, 2018.
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2018 | Journal Article | IST-REx-ID: 107 | OA
Non-malleable codes
S. Dziembowski, K.Z. Pietrzak, D. Wichs, Journal of the ACM 65 (2018).
[Preprint] View | DOI | Download Preprint (ext.) | WoS
 
2018 | Conference Paper | IST-REx-ID: 193 | OA
On the memory hardness of data independent password hashing functions
J.F. Alwen, P. Gazi, C. Kamath Hosdurg, K. Klein, G.F. Osang, K.Z. Pietrzak, L. Reyzin, M. Rolinek, M. Rybar, in:, Proceedings of the 2018 on Asia Conference on Computer and Communication Security, ACM, 2018, pp. 51–65.
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2018 | Conference Paper | IST-REx-ID: 300 | OA
On the bit security of cryptographic primitives
D. Micciancio, M. Walter, in:, Springer, 2018, pp. 3–28.
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2018 | Conference Paper | IST-REx-ID: 302 | OA
Simple proofs of sequential work
B. Cohen, K.Z. Pietrzak, in:, Springer, 2018, pp. 451–467.
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2018 | Conference Paper | IST-REx-ID: 298 | OA
Sustained space complexity
J.F. Alwen, J. Blocki, K.Z. Pietrzak, in:, Springer, 2018, pp. 99–130.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
2018 | Journal Article | IST-REx-ID: 5980
Private set-intersection with common set-up
S. Chatterjee, C. Kamath Hosdurg, V. Kumar, American Institute of Mathematical Sciences 12 (2018) 17–47.
View | DOI | WoS
 
2018 | Conference Paper | IST-REx-ID: 6941 | OA
SpaceMint: A cryptocurrency based on proofs of space
S. Park, A. Kwon, G. Fuchsbauer, P. Gazi, J.F. Alwen, K.Z. Pietrzak, in:, 22nd International Conference on Financial Cryptography and Data Security, Springer Nature, 2018, pp. 480–499.
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2017 | Conference Paper | IST-REx-ID: 1175 | OA
Cumulative space in black-white pebbling and resolution
J.F. Alwen, S. De Rezende, J. Nordstrom, M. Vinyals, in:, C. Papadimitriou (Ed.), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017, p. 38:1-38-21.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 605 | OA
Position based cryptography and multiparty communication complexity
J. Brody, S. Dziembowski, S. Faust, K.Z. Pietrzak, in:, Y. Kalai, L. Reyzin (Eds.), Springer, 2017, pp. 56–81.
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2017 | Conference Paper | IST-REx-ID: 609 | OA
Moderately hard functions: Definition, instantiations, and applications
J.F. Alwen, B. Tackmann, in:, Y. Kalai, L. Reyzin (Eds.), Springer, 2017, pp. 493–526.
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2017 | Conference Paper | IST-REx-ID: 635 | OA
Scrypt is maximally memory hard
J.F. Alwen, B. Chen, K.Z. Pietrzak, L. Reyzin, S. Tessaro, in:, J.-S. Coron, J. Buus Nielsen (Eds.), Springer, 2017, pp. 33–62.
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2017 | Conference Paper | IST-REx-ID: 640 | OA
Depth-robust graphs and their cumulative memory complexity
J.F. Alwen, J. Blocki, K.Z. Pietrzak, in:, J.-S. Coron, J. Buus Nielsen (Eds.), Springer, 2017, pp. 3–32.
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2017 | Conference Paper | IST-REx-ID: 648 | OA
On the complexity of breaking pseudoentropy
M. Skórski, in:, G. Jäger, S. Steila (Eds.), Springer, 2017, pp. 600–613.
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2017 | Conference Paper | IST-REx-ID: 650 | OA
A cryptographic view of regularity lemmas: Simpler unified proofs and refined bounds
M. Skórski, in:, G. Jäger, S. Steila (Eds.), Springer, 2017, pp. 586–599.
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2017 | Conference Paper | IST-REx-ID: 6527 | OA
Practical graphs for optimal side-channel resistant memory-hard functions
J.F. Alwen, J. Blocki, B. Harsha, in:, Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security, ACM Press, 2017, pp. 1001–1017.
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2017 | Conference Paper | IST-REx-ID: 6526 | OA
On the complexity of estimating Rènyi divergences
M. Skórski, in:, 2017 IEEE International Symposium on Information Theory (ISIT), IEEE, 2017.
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
2017 | Conference Paper | IST-REx-ID: 697 | OA
Non uniform attacks against pseudoentropy
K.Z. Pietrzak, M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 710 | OA
Renyi entropy estimation revisited
M. Obremski, M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
[Published Version] View | Files available | DOI
 
2017 | Thesis | IST-REx-ID: 838 | OA
(The exact security of) Message authentication codes
M. Rybar, (The Exact Security of) Message Authentication Codes, Institute of Science and Technology Austria, 2017.
[Published Version] View | Files available | DOI
 
2017 | Journal Article | IST-REx-ID: 6196 | OA
The exact security of PMAC
P. Gazi, K.Z. Pietrzak, M. Rybar, IACR Transactions on Symmetric Cryptology 2016 (2017) 145–161.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 559 | OA
Beyond Hellman’s time-memory trade-offs with applications to proofs of space
H.M. Abusalah, J.F. Alwen, B. Cohen, D. Khilko, K.Z. Pietrzak, L. Reyzin, in:, Springer, 2017, pp. 357–379.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 637 | OA
Be adaptive avoid overcommitting
Z. Jafargholi, C. Kamath Hosdurg, K. Klein, I. Komargodski, K.Z. Pietrzak, D. Wichs, in:, J. Katz, H. Shacham (Eds.), Springer, 2017, pp. 133–163.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 1174 | OA
Lower bounds on key derivation for square-friendly applications
M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2017 | Conference Paper | IST-REx-ID: 1176 | OA
Towards practical attacks on Argon2i and balloon hashing
J.F. Alwen, J. Blocki, in:, IEEE, 2017.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2017 | Journal Article | IST-REx-ID: 1187 | OA
Efficient authentication from hard learning problems
E. Kiltz, K.Z. Pietrzak, D. Venturi, D. Cash, A. Jain, Journal of Cryptology 30 (2017) 1238–1275.
[Submitted Version] View | Files available | DOI | WoS
 
2016 | Journal Article | IST-REx-ID: 1177 | OA
A closer look at multiple-forking: Leveraging (in)dependence for a tighter bound
C. Kamath Hosdurg, S. Chatterjee, Algorithmica 74 (2016) 1321–1362.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2016 | Conference Paper | IST-REx-ID: 1179 | OA
Pseudoentropy: Lower-bounds for chain rules and transformations
K.Z. Pietrzak, S. Maciej, in:, Springer, 2016, pp. 183–203.
[Preprint] View | DOI | Download Preprint (ext.)
 
2016 | Conference Paper | IST-REx-ID: 1231 | OA
On the complexity of scrypt and proofs of space in the parallel random oracle model
J.F. Alwen, B. Chen, C. Kamath Hosdurg, V. Kolmogorov, K.Z. Pietrzak, S. Tessaro, in:, Springer, 2016, pp. 358–387.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2016 | Conference Paper | IST-REx-ID: 1233 | OA
Standard security does imply security against selective opening for markov distributions
G. Fuchsbauer, F. Heuer, E. Kiltz, K.Z. Pietrzak, in:, Springer, 2016, pp. 282–305.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2016 | Conference Paper | IST-REx-ID: 1365 | OA
Efficiently computing data-independent memory-hard functions
J.F. Alwen, J. Blocki, in:, Springer, 2016, pp. 241–271.
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2016 | Conference Paper | IST-REx-ID: 1366 | OA
Provably robust sponge-based PRNGs and KDFs
P. Gazi, S. Tessaro, in:, Springer, 2016, pp. 87–116.
[Preprint] View | DOI | Download Preprint (ext.)
 
2016 | Journal Article | IST-REx-ID: 1592
Structure preserving signatures and commitments to group elements
M. Abe, G. Fuchsbauer, J. Groth, K. Haralambiev, M. Ohkubo, Journal of Cryptology 29 (2016) 363–421.
View | DOI
 
2016 | Conference Paper | IST-REx-ID: 1225 | OA
Practical round-optimal blind signatures in the standard model from weaker assumptions
G. Fuchsbauer, C. Hanser, C. Kamath Hosdurg, D. Slamanig, in:, Springer, 2016, pp. 391–408.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.)
 

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