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127 Publications

2021 | Conference Paper | IST-REx-ID: 10407 | OA
S. Chakraborty, S. Dziembowski, M. Gałązka, T. Lizurej, K. Z. Pietrzak, and M. X. Yeo, “Trojan-resilience without cryptography,” presented at the TCC: Theory of Cryptography Conference, Raleigh, NC, United States, 2021, vol. 13043, pp. 397–428.
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2021 | Conference Paper | IST-REx-ID: 10408 | OA
J. F. Alwen et al., “Grafting key trees: Efficient key management for overlapping groups,” in 19th International Conference, Raleigh, NC, United States, 2021, vol. 13044, pp. 222–253.
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2021 | Conference Paper | IST-REx-ID: 10409 | OA
C. Kamath Hosdurg, K. Klein, and K. Z. Pietrzak, “On treewidth, separators and Yao’s garbling,” in 19th International Conference, Raleigh, NC, United States, 2021, vol. 13043, pp. 486–517.
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2021 | Conference Paper | IST-REx-ID: 10609 | OA
S. Chakraborty, C. Ganesh, M. Pancholi, and P. Sarkar, “Reverse firewalls for adaptively secure MPC without setup,” in 27th International Conference on the Theory and Application of Cryptology and Information Security, Virtual, Singapore, 2021, vol. 13091, pp. 335–364.
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2021 | Conference Paper | IST-REx-ID: 10041 | OA
C. Kamath Hosdurg, K. Klein, K. Z. Pietrzak, and D. Wichs, “Limits on the Adaptive Security of Yao’s Garbling,” in 41st Annual International Cryptology Conference, Part II , Virtual, 2021, vol. 12826, pp. 486–515.
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2021 | Conference Paper | IST-REx-ID: 10049 | OA
K. Klein et al., “Keep the dirt: tainted TreeKEM, adaptively and actively secure continuous group key agreement,” in 2021 IEEE Symposium on Security and Privacy , San Francisco, CA, United States, 2021, pp. 268–284.
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2021 | Conference Paper | IST-REx-ID: 10044 | OA
C. Kamath Hosdurg, K. Klein, and K. Z. Pietrzak, “On treewidth, separators and Yao’s garbling,” in 19th Theory of Cryptography Conference 2021, Raleigh, NC, United States, 2021.
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2021 | Thesis | IST-REx-ID: 10035 | OA
K. Klein, “On the adaptive security of graph-based games,” Institute of Science and Technology Austria, 2021.
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2021 | Conference Paper | IST-REx-ID: 10410 | OA
C. Kamath Hosdurg, K. Klein, K. Z. Pietrzak, and M. Walter, “The cost of adaptivity in security games on graphs,” in 19th International Conference, Raleigh, NC, United States, 2021, vol. 13043, pp. 550–581.
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2021 | Conference Paper | IST-REx-ID: 10048 | OA
C. Kamath Hosdurg, K. Klein, K. Z. Pietrzak, and M. Walter, “The cost of adaptivity in security games on graphs,” in 19th Theory of Cryptography Conference 2021, Raleigh, NC, United States, 2021.
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2021 | Conference Paper | IST-REx-ID: 9969 | OA
K. Z. Pietrzak, I. Salem, S. Schmid, and M. X. Yeo, “LightPIR: Privacy-preserving route discovery for payment channel networks,” presented at the 2021 IFIP Networking Conference (IFIP Networking), Espoo and Helsinki, Finland, 2021.
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2020 | Conference Paper | IST-REx-ID: 8322 | OA
S. Chakraborty, S. Dziembowski, and J. B. Nielsen, “Reverse firewalls for actively secure MPCs,” in Advances in Cryptology – CRYPTO 2020, Santa Barbara, CA, United States, 2020, vol. 12171, pp. 732–762.
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2020 | Conference Paper | IST-REx-ID: 8339 | OA
N. Genise, D. Micciancio, C. Peikert, and M. Walter, “Improved discrete Gaussian and subgaussian analysis for lattice cryptography,” in 23rd IACR International Conference on the Practice and Theory of Public-Key Cryptography, Edinburgh, United Kingdom, 2020, vol. 12110, pp. 623–651.
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2020 | Conference Paper | IST-REx-ID: 8987 | OA
K. Z. Pietrzak, “Delayed authentication: Preventing replay and relay attacks in private contact tracing,” in Progress in Cryptology, Bangalore, India, 2020, vol. 12578, pp. 3–15.
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2020 | Conference Paper | IST-REx-ID: 7966 | OA
B. Auerbach, F. Giacon, and E. Kiltz, “Everybody’s a target: Scalability in public-key encryption,” in Advances in Cryptology – EUROCRYPT 2020, 2020, vol. 12107, pp. 475–506.
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2020 | Thesis | IST-REx-ID: 7896 | OA
C. Kamath Hosdurg, “On the average-case hardness of total search problems,” Institute of Science and Technology Austria, 2020.
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2019 | Journal Article | IST-REx-ID: 5887 | OA
G. Demay, P. Gazi, U. Maurer, and B. Tackmann, “Per-session security: Password-based cryptography revisited,” Journal of Computer Security, vol. 27, no. 1. IOS Press, pp. 75–111, 2019.
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2019 | Conference Paper | IST-REx-ID: 6528 | OA
K. Z. Pietrzak, “Simple verifiable delay functions,” in 10th Innovations in Theoretical Computer Science Conference, San Diego, CA, United States, 2019, vol. 124.
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2019 | Book Chapter | IST-REx-ID: 6726 | OA
M. Walter, “Sampling the integers with low relative error,” in Progress in Cryptology – AFRICACRYPT 2019, vol. 11627, J. Buchmann, A. Nitaj, and T. Rachidi, Eds. Cham: Springer Nature, 2019, pp. 157–180.
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2019 | Conference Paper | IST-REx-ID: 7136 | OA
M. Skórski, “Strong chain rules for min-entropy under few bits spoiled,” in 2019 IEEE International Symposium on Information Theory, Paris, France, 2019.
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2019 | Conference Paper | IST-REx-ID: 7411 | OA
H. M. Abusalah, C. Kamath Hosdurg, K. Klein, K. Z. Pietrzak, and M. Walter, “Reversible proofs of sequential work,” in Advances in Cryptology – EUROCRYPT 2019, Darmstadt, Germany, 2019, vol. 11477, pp. 277–291.
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2019 | Conference Paper | IST-REx-ID: 6677 | OA
A. R. Choudhuri, P. Hubáček, C. Kamath Hosdurg, K. Z. Pietrzak, A. Rosen, and G. 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, Phoenix, AZ, United States, 2019, pp. 1103–1114.
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2019 | Conference Paper | IST-REx-ID: 6430 | OA
G. Fuchsbauer, C. Kamath Hosdurg, K. Klein, and K. Z. Pietrzak, “Adaptively secure proxy re-encryption,” presented at the PKC: Public-Key Cryptograhy, Beijing, China, 2019, vol. 11443, pp. 317–346.
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2018 | Journal Article | IST-REx-ID: 10286 | OA
E. N. Allini, M. Skórski, O. Petura, F. Bernard, M. Laban, and V. Fischer, “Evaluation and monitoring of free running oscillators serving as source of randomness,” IACR Transactions on Cryptographic Hardware and Embedded Systems, vol. 2018, no. 3. International Association for Cryptologic Research, pp. 214–242, 2018.
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2018 | Conference Paper | IST-REx-ID: 7407 | OA
K. Z. Pietrzak, “Proofs of catalytic space,” in 10th Innovations in Theoretical Computer Science  Conference (ITCS 2019), San Diego, CA, United States, 2018, vol. 124, p. 59:1-59:25.
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2018 | Thesis | IST-REx-ID: 83 | OA
H. M. Abusalah, “Proof systems for sustainable decentralized cryptocurrencies,” Institute of Science and Technology Austria, 2018.
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2018 | Conference Paper | IST-REx-ID: 108 | OA
M. Obremski and M. Skórski, “Inverted leftover hash lemma,” presented at the ISIT: International Symposium on Information Theory, Vail, CO, USA, 2018, vol. 2018.
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2018 | Journal Article | IST-REx-ID: 107 | OA
S. Dziembowski, K. Z. Pietrzak, and D. Wichs, “Non-malleable codes,” Journal of the ACM, vol. 65, no. 4. ACM, 2018.
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2018 | Conference Paper | IST-REx-ID: 193 | OA
J. F. Alwen et al., “On the memory hardness of data independent password hashing functions,” in Proceedings of the 2018 on Asia Conference on Computer and Communication Security, Incheon, Republic of Korea, 2018, pp. 51–65.
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2018 | Conference Paper | IST-REx-ID: 300 | OA
D. Micciancio and M. Walter, “On the bit security of cryptographic primitives,” presented at the Eurocrypt: Advances in Cryptology, Tel Aviv, Israel, 2018, vol. 10820, pp. 3–28.
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2018 | Conference Paper | IST-REx-ID: 302 | OA
B. Cohen and K. Z. Pietrzak, “Simple proofs of sequential work,” presented at the Eurocrypt: Advances in Cryptology, Tel Aviv, Israel, 2018, vol. 10821, pp. 451–467.
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2018 | Conference Paper | IST-REx-ID: 298 | OA
J. F. Alwen, J. Blocki, and K. Z. Pietrzak, “Sustained space complexity,” presented at the Eurocrypt 2018: Advances in Cryptology, Tel Aviv, Israel, 2018, vol. 10821, pp. 99–130.
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2018 | Journal Article | IST-REx-ID: 5980
S. Chatterjee, C. Kamath Hosdurg, and V. Kumar, “Private set-intersection with common set-up,” American Institute of Mathematical Sciences, vol. 12, no. 1. AIMS, pp. 17–47, 2018.
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2018 | Conference Paper | IST-REx-ID: 6941 | OA
S. Park, A. Kwon, G. Fuchsbauer, P. Gazi, J. F. Alwen, and K. Z. Pietrzak, “SpaceMint: A cryptocurrency based on proofs of space,” in 22nd International Conference on Financial Cryptography and Data Security, Nieuwpoort, Curacao, 2018, vol. 10957, pp. 480–499.
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2017 | Conference Paper | IST-REx-ID: 1175 | OA
J. F. Alwen, S. De Rezende, J. Nordstrom, and M. Vinyals, “Cumulative space in black-white pebbling and resolution,” presented at the ITCS: Innovations in Theoretical Computer Science, Berkeley, CA, United States, 2017, vol. 67, p. 38:1-38-21.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 605 | OA
J. Brody, S. Dziembowski, S. Faust, and K. Z. Pietrzak, “Position based cryptography and multiparty communication complexity,” presented at the TCC: Theory of Cryptography Conference, Baltimore, MD, United States, 2017, vol. 10677, pp. 56–81.
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2017 | Conference Paper | IST-REx-ID: 609 | OA
J. F. Alwen and B. Tackmann, “Moderately hard functions: Definition, instantiations, and applications,” presented at the TCC: Theory of Cryptography, Baltimore, MD, United States, 2017, vol. 10677, pp. 493–526.
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2017 | Conference Paper | IST-REx-ID: 635 | OA
J. F. Alwen, B. Chen, K. Z. Pietrzak, L. Reyzin, and S. Tessaro, “Scrypt is maximally memory hard,” presented at the EUROCRYPT: Theory and Applications of Cryptographic Techniques, Paris, France, 2017, vol. 10212, pp. 33–62.
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2017 | Conference Paper | IST-REx-ID: 640 | OA
J. F. Alwen, J. Blocki, and K. Z. Pietrzak, “Depth-robust graphs and their cumulative memory complexity,” presented at the EUROCRYPT: Theory and Applications of Cryptographic Techniques, Paris, France, 2017, vol. 10212, pp. 3–32.
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2017 | Conference Paper | IST-REx-ID: 648 | OA
M. Skórski, “On the complexity of breaking pseudoentropy,” presented at the TAMC: Theory and Applications of Models of Computation, Bern, Switzerland, 2017, vol. 10185, pp. 600–613.
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2017 | Conference Paper | IST-REx-ID: 650 | OA
M. Skórski, “A cryptographic view of regularity lemmas: Simpler unified proofs and refined bounds,” presented at the TAMC: Theory and Applications of Models of Computation, Bern, Switzerland, 2017, vol. 10185, pp. 586–599.
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2017 | Conference Paper | IST-REx-ID: 6527 | OA
J. F. Alwen, J. Blocki, and B. Harsha, “Practical graphs for optimal side-channel resistant memory-hard functions,” in Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security, Dallas, TX, USA, 2017, pp. 1001–1017.
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2017 | Conference Paper | IST-REx-ID: 6526 | OA
M. Skórski, “On the complexity of estimating Rènyi divergences,” in 2017 IEEE International Symposium on Information Theory (ISIT), Aachen, Germany, 2017.
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2017 | Conference Paper | IST-REx-ID: 697 | OA
K. Z. Pietrzak and M. Skórski, “Non uniform attacks against pseudoentropy,” presented at the ICALP: International Colloquium on Automata, Languages, and Programming, Warsaw, Poland, 2017, vol. 80.
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2017 | Conference Paper | IST-REx-ID: 710 | OA
M. Obremski and M. Skórski, “Renyi entropy estimation revisited,” presented at the 20th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems, APPROX, Berkeley, USA, 2017, vol. 81.
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2017 | Thesis | IST-REx-ID: 838 | OA
M. Rybar, “(The exact security of) Message authentication codes,” Institute of Science and Technology Austria, 2017.
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2017 | Journal Article | IST-REx-ID: 6196 | OA
P. Gazi, K. Z. Pietrzak, and M. Rybar, “The exact security of PMAC,” IACR Transactions on Symmetric Cryptology, vol. 2016, no. 2. Ruhr University Bochum, pp. 145–161, 2017.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 559 | OA
H. M. Abusalah, J. F. Alwen, B. Cohen, D. Khilko, K. Z. Pietrzak, and L. Reyzin, “Beyond Hellman’s time-memory trade-offs with applications to proofs of space,” presented at the ASIACRYPT: Theory and Applications of Cryptology and Information Security, Hong Kong, China, 2017, vol. 10625, pp. 357–379.
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2017 | Conference Paper | IST-REx-ID: 637 | OA
Z. Jafargholi, C. Kamath Hosdurg, K. Klein, I. Komargodski, K. Z. Pietrzak, and D. Wichs, “Be adaptive avoid overcommitting,” presented at the CRYPTO: Cryptology, Santa Barbara, CA, United States, 2017, vol. 10401, pp. 133–163.
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2017 | Conference Paper | IST-REx-ID: 1174 | OA
M. Skórski, “Lower bounds on key derivation for square-friendly applications,” presented at the STACS: Symposium on Theoretical Aspects of Computer Science, Hannover, Germany, 2017, vol. 66.
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2017 | Conference Paper | IST-REx-ID: 1176 | OA
J. F. Alwen and J. Blocki, “Towards practical attacks on Argon2i and balloon hashing,” presented at the EuroS&P: European Symposium on Security and Privacy, Paris, France, 2017.
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2017 | Journal Article | IST-REx-ID: 1187 | OA
E. Kiltz, K. Z. Pietrzak, D. Venturi, D. Cash, and A. Jain, “Efficient authentication from hard learning problems,” Journal of Cryptology, vol. 30, no. 4. Springer, pp. 1238–1275, 2017.
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2016 | Journal Article | IST-REx-ID: 1177 | OA
C. Kamath Hosdurg and S. Chatterjee, “A closer look at multiple-forking: Leveraging (in)dependence for a tighter bound,” Algorithmica, vol. 74, no. 4. Springer, pp. 1321–1362, 2016.
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2016 | Conference Paper | IST-REx-ID: 1179 | OA
K. Z. Pietrzak and S. Maciej, “Pseudoentropy: Lower-bounds for chain rules and transformations,” presented at the TCC: Theory of Cryptography Conference, Beijing, China, 2016, vol. 9985, pp. 183–203.
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2016 | Conference Paper | IST-REx-ID: 1231 | OA
J. F. Alwen, B. Chen, C. Kamath Hosdurg, V. Kolmogorov, K. Z. Pietrzak, and S. Tessaro, “On the complexity of scrypt and proofs of space in the parallel random oracle model,” presented at the EUROCRYPT: Theory and Applications of Cryptographic Techniques, Vienna, Austria, 2016, vol. 9666, pp. 358–387.
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2016 | Conference Paper | IST-REx-ID: 1233 | OA
G. Fuchsbauer, F. Heuer, E. Kiltz, and K. Z. Pietrzak, “Standard security does imply security against selective opening for markov distributions,” presented at the TCC: Theory of Cryptography Conference, Tel Aviv, Israel, 2016, vol. 9562, pp. 282–305.
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2016 | Conference Paper | IST-REx-ID: 1365 | OA
J. F. Alwen and J. Blocki, “Efficiently computing data-independent memory-hard functions,” presented at the CRYPTO: International Cryptology Conference, Santa Barbara, CA, USA, 2016, vol. 9815, pp. 241–271.
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2016 | Conference Paper | IST-REx-ID: 1366 | OA
P. Gazi and S. Tessaro, “Provably robust sponge-based PRNGs and KDFs,” presented at the EUROCRYPT: Theory and Applications of Cryptographic Techniques, Vienna, Austria, 2016, vol. 9665, pp. 87–116.
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2016 | Journal Article | IST-REx-ID: 1592
M. Abe, G. Fuchsbauer, J. Groth, K. Haralambiev, and M. Ohkubo, “Structure preserving signatures and commitments to group elements,” Journal of Cryptology, vol. 29, no. 2. Springer, pp. 363–421, 2016.
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2016 | Conference Paper | IST-REx-ID: 1225 | OA
G. Fuchsbauer, C. Hanser, C. Kamath Hosdurg, and D. Slamanig, “Practical round-optimal blind signatures in the standard model from weaker assumptions,” presented at the SCN: Security and Cryptography for Networks, Amalfi, Italy, 2016, vol. 9841, pp. 391–408.
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2016 | Conference Paper | IST-REx-ID: 1653 | OA
T. Okamoto, K. Z. Pietrzak, B. Waters, and D. Wichs, “New realizations of somewhere statistically binding hashing and positional accumulators,” presented at the ASIACRYPT: Theory and Application of Cryptology and Information Security, Auckland, New Zealand, 2016, vol. 9452, pp. 121–145.
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2016 | Journal Article | IST-REx-ID: 1479 | OA
S. Krenn, K. Z. Pietrzak, A. Wadia, and D. Wichs, “A counterexample to the chain rule for conditional HILL entropy,” Computational Complexity, vol. 25, no. 3. Springer, pp. 567–605, 2016.
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2016 | Conference Paper | IST-REx-ID: 1229 | OA
H. M. Abusalah, G. Fuchsbauer, and K. Z. Pietrzak, “Offline witness encryption,” presented at the ACNS: Applied Cryptography and Network Security, Guildford, UK, 2016, vol. 9696, pp. 285–303.
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2016 | Conference Paper | IST-REx-ID: 1236 | OA
H. M. Abusalah, G. Fuchsbauer, and K. Z. Pietrzak, “Constrained PRFs for unbounded inputs,” presented at the CT-RSA: Topics in Cryptology, San Francisco, CA, USA, 2016, vol. 9610, pp. 413–428.
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2016 | Conference Paper | IST-REx-ID: 1235 | OA
H. M. Abusalah and G. Fuchsbauer, “Constrained PRFs for unbounded inputs with short keys,” presented at the ACNS: Applied Cryptography and Network Security, Guildford, UK, 2016, vol. 9696, pp. 445–463.
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2015 | Conference Paper | IST-REx-ID: 1474 | OA
A. Ferrara, G. Fuchsbauer, B. Liu, and B. Warinschi, “Policy privacy in cryptographic access control,” presented at the CSF: Computer Security Foundations, Verona, Italy, 2015, pp. 46–60.
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2015 | Conference Paper | IST-REx-ID: 1646 | OA
A. Banerjee, G. Fuchsbauer, C. Peikert, K. Z. Pietrzak, and S. Stevens, “Key-homomorphic constrained pseudorandom functions,” in 12th Theory of Cryptography Conference, Warsaw, Poland, 2015, vol. 9015, pp. 31–60.
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2015 | Conference Paper | IST-REx-ID: 1648 | OA
G. Fuchsbauer, Z. Jafargholi, and K. Z. Pietrzak, “A quasipolynomial reduction for generalized selective decryption on trees,” presented at the CRYPTO: International Cryptology Conference, Santa Barbara, CA, USA, 2015, vol. 9215, pp. 601–620.
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2015 | Conference Paper | IST-REx-ID: 1649 | OA
F. Benhamouda, S. Krenn, V. Lyubashevsky, and K. Z. Pietrzak, “Efficient zero-knowledge proofs for commitments from learning with errors over rings,” vol. 9326. Springer, pp. 305–325, 2015.
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2015 | Conference Paper | IST-REx-ID: 1644 | OA
G. Demay, P. Gazi, U. Maurer, and B. Tackmann, “Query-complexity amplification for random oracles,” presented at the ICITS: International Conference on Information Theoretic Security, Lugano, Switzerland, 2015, vol. 9063, pp. 159–180.
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2015 | Conference Paper | IST-REx-ID: 1647 | OA
G. Fuchsbauer, C. Hanser, and D. Slamanig, “Practical round-optimal blind signatures in the standard model,” presented at the CRYPTO: International Cryptology Conference, Santa Barbara, CA, United States, 2015, vol. 9216, pp. 233–253.
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2015 | Conference Paper | IST-REx-ID: 1645
P. Gazi and S. Tessaro, “Secret-key cryptography from ideal primitives: A systematic verview,” in 2015 IEEE Information Theory Workshop, Jerusalem, Israel, 2015.
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2015 | Conference Paper | IST-REx-ID: 1654 | OA
P. Gazi, K. Z. Pietrzak, and S. Tessaro, “Generic security of NMAC and HMAC with input whitening,” vol. 9453. Springer, pp. 85–109, 2015.
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2015 | Conference Paper | IST-REx-ID: 1650 | OA
M. Skórski, A. Golovnev, and K. Z. Pietrzak, “Condensed unpredictability ,” presented at the ICALP: Automata, Languages and Programming, Kyoto, Japan, 2015, vol. 9134, pp. 1046–1057.
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2015 | Conference Paper | IST-REx-ID: 1651 | OA
F. Baldimtsi, M. Chase, G. Fuchsbauer, and M. Kohlweiss, “Anonymous transferable e-cash,” in Public-Key Cryptography - PKC 2015, Gaithersburg, MD, United States, 2015, vol. 9020, pp. 101–124.
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2015 | Conference Paper | IST-REx-ID: 1652 | OA
J. F. Alwen and V. Serbinenko, “High parallel complexity graphs and memory-hard functions,” in Proceedings of the 47th annual ACM symposium on Theory of computing, Portland, OR, United States, 2015, pp. 595–603.
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2015 | Conference Paper | IST-REx-ID: 1672 | OA
J. F. Alwen, R. Ostrovsky, H. Zhou, and V. Zikas, “Incoercible multi-party computation and universally composable receipt-free voting,” in Advances in Cryptology - CRYPTO 2015, Santa Barbara, CA, United States, 2015, vol. 9216, pp. 763–780.
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2015 | Conference Paper | IST-REx-ID: 1669 | OA
K. Z. Pietrzak and M. Skórski, “The chain rule for HILL pseudoentropy, revisited,” vol. 9230. Springer, pp. 81–98, 2015.
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2015 | Conference Paper | IST-REx-ID: 1671 | OA
P. Gazi, K. Z. Pietrzak, and S. Tessaro, “The exact PRF security of truncation: Tight bounds for keyed sponges and truncated CBC,” presented at the CRYPTO: International Cryptology Conference, Santa Barbara, CA, United States, 2015, vol. 9215, pp. 368–387.
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2015 | Conference Paper | IST-REx-ID: 1668 | OA
P. Gazi, J. Lee, Y. Seurin, J. Steinberger, and S. Tessaro, “Relaxing full-codebook security: A refined analysis of key-length extension schemes,” vol. 9054. Springer, pp. 319–341, 2015.
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2015 | Conference Paper | IST-REx-ID: 1675 | OA
S. Dziembowski, S. Faust, V. Kolmogorov, and K. Z. Pietrzak, “Proofs of space,” in 35th Annual Cryptology Conference, Santa Barbara, CA, United States, 2015, vol. 9216, pp. 585–605.
[Preprint] View | Files available | DOI | Download Preprint (ext.)
 
2014 | Conference Paper | IST-REx-ID: 1643 | OA
G. Fuchsbauer, “Constrained Verifiable Random Functions ,” in SCN 2014, Amalfi, Italy, 2014, vol. 8642, pp. 95–114.
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2014 | Conference Paper | IST-REx-ID: 1907 | OA
G. Demay, P. Gazi, U. Maurer, and B. Tackmann, “Optimality of non-adaptive strategies: The case of parallel games,” in IEEE International Symposium on Information Theory, Honolulu, USA, 2014.
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2014 | Conference Paper | IST-REx-ID: 2045 | OA
D. Dachman Soled, G. Fuchsbauer, P. Mohassel, and A. O’Neill, “Enhanced chosen-ciphertext security and applications,” in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Buenos Aires, Argentina, 2014, vol. 8383, pp. 329–344.
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2014 | Conference Paper | IST-REx-ID: 2047 | OA
F. Yu, M. Rybar, C. Uhler, and S. Fienberg, “Differentially-private logistic regression for detecting multiple-SNP association in GWAS databases,” in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Ibiza, Spain, 2014, vol. 8744, pp. 170–184.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | arXiv
 
2014 | Conference Paper | IST-REx-ID: 2046 | OA
M. Bellare and G. Fuchsbauer, “Policy-based signatures,” in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Buenos Aires, Argentina, 2014, vol. 8383, pp. 520–537.
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2014 | Conference Paper | IST-REx-ID: 2185 | OA
Y. Dodis, K. Z. Pietrzak, and D. Wichs, “Key derivation without entropy waste,” presented at the EUROCRYPT: Theory and Applications of Cryptographic Techniques, Copenhagen, Denmark, 2014, vol. 8441, pp. 93–110.
[Submitted Version] View | Files available | DOI
 
2014 | Conference Paper | IST-REx-ID: 2219 | OA
E. Kiltz, D. Masny, and K. Z. Pietrzak, “Simple chosen-ciphertext security from low noise LPN,” presented at the IACR: International Conference on Practice and Theory in Public-Key Cryptography, 2014, vol. 8383, pp. 1–18.
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2014 | Conference Paper | IST-REx-ID: 2236 | OA
D. Jetchev and K. Z. Pietrzak, “How to fake auxiliary input,” presented at the TCC: Theory of Cryptography Conference, San Diego, USA, 2014, vol. 8349, pp. 566–590.
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2014 | Journal Article | IST-REx-ID: 2852
M. Fischlin, A. Lehmann, and K. Z. Pietrzak, “Robust multi-property combiners for hash functions,” Journal of Cryptology, vol. 27, no. 3. Springer, pp. 397–428, 2014.
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2014 | Conference Paper | IST-REx-ID: 2082 | OA
P. Gazi, K. Z. Pietrzak, and M. Rybar, “The exact PRF-security of NMAC and HMAC,” presented at the CRYPTO: International Cryptology Conference, Santa Barbara, USA, 2014, vol. 8616, no. 1, pp. 113–130.
[Submitted Version] View | Files available | DOI
 
2013 | Conference Paper | IST-REx-ID: 2259 | OA
J. F. Alwen, S. Krenn, K. Z. Pietrzak, and D. Wichs, “Learning with rounding, revisited: New reduction properties and applications,” vol. 8042, no. 1. Springer, pp. 57–74, 2013.
[Published Version] View | Files available | DOI
 
2013 | Conference Paper | IST-REx-ID: 2258 | OA
E. Kiltz, K. Z. Pietrzak, and M. Szegedy, “Digital signatures with minimal overhead from indifferentiable random invertible functions,” vol. 8042. Springer, pp. 571–588, 2013.
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2013 | Conference Paper | IST-REx-ID: 2260 | OA
D. Bernhard, G. Fuchsbauer, and E. Ghadafi, “Efficient signatures of knowledge and DAA in the standard model,” vol. 7954. Springer, pp. 518–533, 2013.
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2013 | Conference Paper | IST-REx-ID: 2291 | OA
A. Ferrara, G. Fuchsbauer, and B. Warinschi, “Cryptographically enforced RBAC,” presented at the CSF: Computer Security Foundations, New Orleans, LA, United States, 2013, pp. 115–129.
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2013 | Conference Paper | IST-REx-ID: 2940 | OA
S. Krenn, K. Z. Pietrzak, and A. Wadia, “A counterexample to the chain rule for conditional HILL entropy, and what deniable encryption has to do with it,” presented at the TCC: Theory of Cryptography Conference, Tokyo, Japan, 2013, vol. 7785, pp. 23–39.
[Submitted Version] View | Files available | DOI
 
2013 | Journal Article | IST-REx-ID: 502
O. Blazy, G. Fuchsbauer, D. Pointcheval, and D. Vergnaud, “Short blind signatures,” Journal of Computer Security, vol. 21, no. 5. IOS Press, pp. 627–661, 2013.
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2013 | Report | IST-REx-ID: 2274 | OA
S. Dziembowski, S. Faust, V. Kolmogorov, and K. Z. Pietrzak, Proofs of Space. IST Austria, 2013.
[Published Version] View | Files available
 
2012 | Conference Paper | IST-REx-ID: 2048 | OA
S. Faust, K. Z. Pietrzak, and J. Schipper, “Practical leakage-resilient symmetric cryptography,” in Conference proceedings CHES 2012, Leuven, Belgium, 2012, vol. 7428, pp. 213–232.
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2012 | Conference Paper | IST-REx-ID: 2049 | OA
S. Heyse, E. Kiltz, V. Lyubashevsky, C. Paar, and K. Z. Pietrzak, “Lapin: An efficient authentication protocol based on ring-LPN,” in Conference proceedings FSE 2012, Washington, DC, USA, 2012, vol. 7549, pp. 346–365.
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