Chethan Kamath Hosdurg
Pietrzak Group
16 Publications
2021 | Published | Conference Paper | IST-REx-ID: 10041 |

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.
[Preprint]
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2021 | Published | Conference Paper | IST-REx-ID: 10044 |

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.
[Preprint]
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2021 | Published | Conference Paper | IST-REx-ID: 10048 |

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.
[Preprint]
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2021 | Published | Conference Paper | IST-REx-ID: 10049 |

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.
[Preprint]
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| Files available
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2021 | Published | Conference Paper | IST-REx-ID: 10409 |

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.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2021 | Published | Conference Paper | IST-REx-ID: 10410 |

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.
[Preprint]
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| Files available
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| WoS
2020 | Published | Thesis | IST-REx-ID: 7896 |

C. Kamath Hosdurg, “On the average-case hardness of total search problems,” Institute of Science and Technology Austria, 2020.
[Published Version]
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| Files available
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2019 | Published | Conference Paper | IST-REx-ID: 6430 |

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.
[Preprint]
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| Files available
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2019 | Published | Conference Paper | IST-REx-ID: 6677 |

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.
[Preprint]
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2019 | Published | Conference Paper | IST-REx-ID: 7411 |

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.
[Submitted Version]
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2018 | Published | Conference Paper | IST-REx-ID: 193 |

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.
[Submitted Version]
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| DOI
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2017 | Published | Conference Paper | IST-REx-ID: 637 |

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.
[Submitted Version]
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| Files available
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2016 | Published | Conference Paper | IST-REx-ID: 1225 |

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.
[Submitted Version]
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| Files available
| DOI
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2016 | Published | Conference Paper | IST-REx-ID: 1231 |

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.
[Submitted Version]
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| DOI
| Download Submitted Version (ext.)
2016 | Published | Journal Article | IST-REx-ID: 1177 |

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.
[Submitted Version]
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| DOI
| Download Submitted Version (ext.)
Grants
16 Publications
2021 | Published | Conference Paper | IST-REx-ID: 10041 |

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.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10044 |

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.
[Preprint]
View
| Files available
| Download Preprint (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10048 |

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.
[Preprint]
View
| Files available
| Download Preprint (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10049 |

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.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10409 |

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.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2021 | Published | Conference Paper | IST-REx-ID: 10410 |

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.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2020 | Published | Thesis | IST-REx-ID: 7896 |

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 | Published | Conference Paper | IST-REx-ID: 6430 |

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.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
2019 | Published | Conference Paper | IST-REx-ID: 6677 |

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.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2019 | Published | Conference Paper | IST-REx-ID: 7411 |

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.
[Submitted Version]
View
| DOI
| Download Submitted Version (ext.)
| WoS
2018 | Published | Conference Paper | IST-REx-ID: 193 |

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.
[Submitted Version]
View
| DOI
| Download Submitted Version (ext.)
| WoS
2017 | Published | Conference Paper | IST-REx-ID: 637 |

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.
[Submitted Version]
View
| Files available
| DOI
| Download Submitted Version (ext.)
2016 | Published | Conference Paper | IST-REx-ID: 1225 |

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.
[Submitted Version]
View
| Files available
| DOI
| Download Submitted Version (ext.)
2016 | Published | Conference Paper | IST-REx-ID: 1231 |

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.
[Submitted Version]
View
| DOI
| Download Submitted Version (ext.)
2016 | Published | Journal Article | IST-REx-ID: 1177 |

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.
[Submitted Version]
View
| DOI
| Download Submitted Version (ext.)