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127 Publications
2021 | Conference Paper | IST-REx-ID: 10407 |
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Trojan-resilience without cryptography
S. Chakraborty, S. Dziembowski, M. Gałązka, T. Lizurej, K.Z. Pietrzak, M.X. Yeo, in:, Springer Nature, 2021, pp. 397–428.
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S. Chakraborty, S. Dziembowski, M. Gałązka, T. Lizurej, K.Z. Pietrzak, M.X. Yeo, in:, Springer Nature, 2021, pp. 397–428.
2021 | Conference Paper | IST-REx-ID: 10408 |
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Grafting key trees: Efficient key management for overlapping groups
J.F. Alwen, B. Auerbach, M.A. Baig, M. Cueto Noval, K. Klein, G. Pascual Perez, K.Z. Pietrzak, M. Walter, in:, 19th International Conference, Springer Nature, 2021, pp. 222–253.
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J.F. Alwen, B. Auerbach, M.A. Baig, M. Cueto Noval, K. Klein, G. Pascual Perez, K.Z. Pietrzak, M. Walter, in:, 19th International Conference, Springer Nature, 2021, pp. 222–253.
2021 | Conference Paper | IST-REx-ID: 10409 |
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On treewidth, separators and Yao’s garbling
C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, in:, 19th International Conference, Springer Nature, 2021, pp. 486–517.
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C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, in:, 19th International Conference, Springer Nature, 2021, pp. 486–517.
2021 | Conference Paper | IST-REx-ID: 10609 |
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Reverse firewalls for adaptively secure MPC without setup
S. Chakraborty, C. Ganesh, M. Pancholi, P. Sarkar, in:, 27th International Conference on the Theory and Application of Cryptology and Information Security, Springer Nature, 2021, pp. 335–364.
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S. Chakraborty, C. Ganesh, M. Pancholi, P. Sarkar, in:, 27th International Conference on the Theory and Application of Cryptology and Information Security, Springer Nature, 2021, pp. 335–364.
2021 | Conference Paper | IST-REx-ID: 10041 |
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Limits on the Adaptive Security of Yao’s Garbling
C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, D. Wichs, in:, 41st Annual International Cryptology Conference, Part II , Springer Nature, Cham, 2021, pp. 486–515.
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C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, D. Wichs, in:, 41st Annual International Cryptology Conference, Part II , Springer Nature, Cham, 2021, pp. 486–515.
2021 | Conference Paper | IST-REx-ID: 10049 |
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Keep the dirt: tainted TreeKEM, adaptively and actively secure continuous group key agreement
K. Klein, G. Pascual Perez, M. Walter, C. Kamath Hosdurg, M. Capretto, M. Cueto Noval, I. Markov, M.X. Yeo, J.F. Alwen, K.Z. Pietrzak, in:, 2021 IEEE Symposium on Security and Privacy , IEEE, 2021, pp. 268–284.
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K. Klein, G. Pascual Perez, M. Walter, C. Kamath Hosdurg, M. Capretto, M. Cueto Noval, I. Markov, M.X. Yeo, J.F. Alwen, K.Z. Pietrzak, in:, 2021 IEEE Symposium on Security and Privacy , IEEE, 2021, pp. 268–284.
2021 | Conference Paper | IST-REx-ID: 10044 |
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On treewidth, separators and Yao's garbling
C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, in:, 19th Theory of Cryptography Conference 2021, International Association for Cryptologic Research, 2021.
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C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, in:, 19th Theory of Cryptography Conference 2021, International Association for Cryptologic Research, 2021.
2021 | Thesis | IST-REx-ID: 10035 |
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On the adaptive security of graph-based games
K. Klein, On the Adaptive Security of Graph-Based Games, Institute of Science and Technology Austria, 2021.
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K. Klein, On the Adaptive Security of Graph-Based Games, Institute of Science and Technology Austria, 2021.
2021 | Conference Paper | IST-REx-ID: 10410 |
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The cost of adaptivity in security games on graphs
C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, M. Walter, in:, 19th International Conference, Springer Nature, 2021, pp. 550–581.
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C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, M. Walter, in:, 19th International Conference, Springer Nature, 2021, pp. 550–581.
2021 | Conference Paper | IST-REx-ID: 10048 |
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The cost of adaptivity in security games on graphs
C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, M. Walter, in:, 19th Theory of Cryptography Conference 2021, International Association for Cryptologic Research, 2021.
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C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, M. Walter, in:, 19th Theory of Cryptography Conference 2021, International Association for Cryptologic Research, 2021.
2021 | Conference Paper | IST-REx-ID: 9969 |
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LightPIR: Privacy-preserving route discovery for payment channel networks
K.Z. Pietrzak, I. Salem, S. Schmid, M.X. Yeo, in:, IEEE, 2021.
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K.Z. Pietrzak, I. Salem, S. Schmid, M.X. Yeo, in:, IEEE, 2021.
2020 | Conference Paper | IST-REx-ID: 8322 |
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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.
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S. Chakraborty, S. Dziembowski, J.B. Nielsen, in:, Advances in Cryptology – CRYPTO 2020, Springer Nature, 2020, pp. 732–762.
2020 | Conference Paper | IST-REx-ID: 8339 |
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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.
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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.
2020 | Conference Paper | IST-REx-ID: 8987 |
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Delayed authentication: Preventing replay and relay attacks in private contact tracing
K.Z. Pietrzak, in:, Progress in Cryptology, Springer Nature, 2020, pp. 3–15.
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K.Z. Pietrzak, in:, Progress in Cryptology, Springer Nature, 2020, pp. 3–15.
2020 | Conference Paper | IST-REx-ID: 7966 |
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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.
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B. Auerbach, F. Giacon, E. Kiltz, in:, Advances in Cryptology – EUROCRYPT 2020, Springer Nature, 2020, pp. 475–506.
2020 | Thesis | IST-REx-ID: 7896 |
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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.
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C. Kamath Hosdurg, On the Average-Case Hardness of Total Search Problems, Institute of Science and Technology Austria, 2020.
2019 | Journal Article | IST-REx-ID: 5887 |
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Per-session security: Password-based cryptography revisited
G. Demay, P. Gazi, U. Maurer, B. Tackmann, Journal of Computer Security 27 (2019) 75–111.
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G. Demay, P. Gazi, U. Maurer, B. Tackmann, Journal of Computer Security 27 (2019) 75–111.
2019 | Conference Paper | IST-REx-ID: 6528 |
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Simple verifiable delay functions
K.Z. Pietrzak, in:, 10th Innovations in Theoretical Computer Science Conference, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2019.
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K.Z. Pietrzak, in:, 10th Innovations in Theoretical Computer Science Conference, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2019.
2019 | Book Chapter | IST-REx-ID: 6726 |
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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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M. Walter, in:, J. Buchmann, A. Nitaj, T. Rachidi (Eds.), Progress in Cryptology – AFRICACRYPT 2019, Springer Nature, Cham, 2019, pp. 157–180.
2019 | Conference Paper | IST-REx-ID: 7136 |
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Strong chain rules for min-entropy under few bits spoiled
M. Skórski, in:, 2019 IEEE International Symposium on Information Theory, IEEE, 2019.
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M. Skórski, in:, 2019 IEEE International Symposium on Information Theory, IEEE, 2019.
2019 | Conference Paper | IST-REx-ID: 7411 |
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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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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.
2019 | Conference Paper | IST-REx-ID: 6677 |
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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.
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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.
2019 | Conference Paper | IST-REx-ID: 6430 |
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Adaptively secure proxy re-encryption
G. Fuchsbauer, C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, in:, Springer Nature, 2019, pp. 317–346.
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G. Fuchsbauer, C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, in:, Springer Nature, 2019, pp. 317–346.
2018 | Journal Article | IST-REx-ID: 10286 |
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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.
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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.
2018 | Conference Paper | IST-REx-ID: 7407 |
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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.
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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.
2018 | Thesis | IST-REx-ID: 83 |
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Proof systems for sustainable decentralized cryptocurrencies
H.M. Abusalah, Proof Systems for Sustainable Decentralized Cryptocurrencies, Institute of Science and Technology Austria, 2018.
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H.M. Abusalah, Proof Systems for Sustainable Decentralized Cryptocurrencies, Institute of Science and Technology Austria, 2018.
2018 | Conference Paper | IST-REx-ID: 108 |
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Inverted leftover hash lemma
M. Obremski, M. Skórski, in:, IEEE, 2018.
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M. Obremski, M. Skórski, in:, IEEE, 2018.
2018 | Journal Article | IST-REx-ID: 107 |
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Non-malleable codes
S. Dziembowski, K.Z. Pietrzak, D. Wichs, Journal of the ACM 65 (2018).
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S. Dziembowski, K.Z. Pietrzak, D. Wichs, Journal of the ACM 65 (2018).
2018 | Conference Paper | IST-REx-ID: 193 |
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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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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.
2018 | Conference Paper | IST-REx-ID: 300 |
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On the bit security of cryptographic primitives
D. Micciancio, M. Walter, in:, Springer, 2018, pp. 3–28.
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D. Micciancio, M. Walter, in:, Springer, 2018, pp. 3–28.
2018 | Conference Paper | IST-REx-ID: 302 |
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Simple proofs of sequential work
B. Cohen, K.Z. Pietrzak, in:, Springer, 2018, pp. 451–467.
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B. Cohen, K.Z. Pietrzak, in:, Springer, 2018, pp. 451–467.
2018 | Conference Paper | IST-REx-ID: 298 |
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Sustained space complexity
J.F. Alwen, J. Blocki, K.Z. Pietrzak, in:, Springer, 2018, pp. 99–130.
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J.F. Alwen, J. Blocki, K.Z. Pietrzak, in:, Springer, 2018, pp. 99–130.
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.
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S. Chatterjee, C. Kamath Hosdurg, V. Kumar, American Institute of Mathematical Sciences 12 (2018) 17–47.
2018 | Conference Paper | IST-REx-ID: 6941 |
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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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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.
2017 | Conference Paper | IST-REx-ID: 1175 |
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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.
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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.
2017 | Conference Paper | IST-REx-ID: 605 |
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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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J. Brody, S. Dziembowski, S. Faust, K.Z. Pietrzak, in:, Y. Kalai, L. Reyzin (Eds.), Springer, 2017, pp. 56–81.
2017 | Conference Paper | IST-REx-ID: 609 |
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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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J.F. Alwen, B. Tackmann, in:, Y. Kalai, L. Reyzin (Eds.), Springer, 2017, pp. 493–526.
2017 | Conference Paper | IST-REx-ID: 635 |
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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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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.
2017 | Conference Paper | IST-REx-ID: 640 |
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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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J.F. Alwen, J. Blocki, K.Z. Pietrzak, in:, J.-S. Coron, J. Buus Nielsen (Eds.), Springer, 2017, pp. 3–32.
2017 | Conference Paper | IST-REx-ID: 648 |
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On the complexity of breaking pseudoentropy
M. Skórski, in:, G. Jäger, S. Steila (Eds.), Springer, 2017, pp. 600–613.
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M. Skórski, in:, G. Jäger, S. Steila (Eds.), Springer, 2017, pp. 600–613.
2017 | Conference Paper | IST-REx-ID: 650 |
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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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M. Skórski, in:, G. Jäger, S. Steila (Eds.), Springer, 2017, pp. 586–599.
2017 | Conference Paper | IST-REx-ID: 6527 |
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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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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.
2017 | Conference Paper | IST-REx-ID: 6526 |
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On the complexity of estimating Rènyi divergences
M. Skórski, in:, 2017 IEEE International Symposium on Information Theory (ISIT), IEEE, 2017.
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M. Skórski, in:, 2017 IEEE International Symposium on Information Theory (ISIT), IEEE, 2017.
2017 | Conference Paper | IST-REx-ID: 697 |
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Non uniform attacks against pseudoentropy
K.Z. Pietrzak, M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
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K.Z. Pietrzak, M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
2017 | Conference Paper | IST-REx-ID: 710 |
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Renyi entropy estimation revisited
M. Obremski, M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
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M. Obremski, M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
2017 | Thesis | IST-REx-ID: 838 |
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(The exact security of) Message authentication codes
M. Rybar, (The Exact Security of) Message Authentication Codes, Institute of Science and Technology Austria, 2017.
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M. Rybar, (The Exact Security of) Message Authentication Codes, Institute of Science and Technology Austria, 2017.
2017 | Journal Article | IST-REx-ID: 6196 |
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The exact security of PMAC
P. Gazi, K.Z. Pietrzak, M. Rybar, IACR Transactions on Symmetric Cryptology 2016 (2017) 145–161.
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P. Gazi, K.Z. Pietrzak, M. Rybar, IACR Transactions on Symmetric Cryptology 2016 (2017) 145–161.
2017 | Conference Paper | IST-REx-ID: 559 |
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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.
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H.M. Abusalah, J.F. Alwen, B. Cohen, D. Khilko, K.Z. Pietrzak, L. Reyzin, in:, Springer, 2017, pp. 357–379.
2017 | Conference Paper | IST-REx-ID: 637 |
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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.
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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.
2017 | Conference Paper | IST-REx-ID: 1174 |
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Lower bounds on key derivation for square-friendly applications
M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
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M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.