Karen Klein
Graduate School
Pietrzak Group
15 Publications
2024 | Published | Conference Paper | IST-REx-ID: 18086
Alwen, Joel F, Benedikt Auerbach, Miguel Cueto Noval, Karen Klein, Guillermo Pascual Perez, and Krzysztof Z Pietrzak. “DeCAF: Decentralizable CGKA with Fast Healing.” In Security and Cryptography for Networks: 14th International Conference, edited by Clemente Galdi and Duong Hieu Phan, 14974:294–313. Cham: Springer Nature, 2024. https://doi.org/10.1007/978-3-031-71073-5_14.
View
| Files available
| DOI
2022 | Published | Conference Paper | IST-REx-ID: 11476 |

Alwen, Joël, Benedikt Auerbach, Miguel Cueto Noval, Karen Klein, Guillermo Pascual Perez, Krzysztof Z Pietrzak, and Michael Walter. “CoCoA: Concurrent Continuous Group Key Agreement.” In Advances in Cryptology – EUROCRYPT 2022, 13276:815–844. Cham: Springer Nature, 2022. https://doi.org/10.1007/978-3-031-07085-3_28.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2021 | Published | Conference Paper | IST-REx-ID: 10410 |

Kamath Hosdurg, Chethan, Karen Klein, Krzysztof Z Pietrzak, and Michael Walter. “The Cost of Adaptivity in Security Games on Graphs.” In 19th International Conference, 13043:550–81. Springer Nature, 2021. https://doi.org/10.1007/978-3-030-90453-1_19.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2021 | Published | Conference Paper | IST-REx-ID: 10409 |

Kamath Hosdurg, Chethan, Karen Klein, and Krzysztof Z Pietrzak. “On Treewidth, Separators and Yao’s Garbling.” In 19th International Conference, 13043:486–517. Springer Nature, 2021. https://doi.org/10.1007/978-3-030-90453-1_17.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2021 | Published | Conference Paper | IST-REx-ID: 9826 |

Auerbach, Benedikt, Suvradip Chakraborty, Karen Klein, Guillermo Pascual Perez, Krzysztof Z Pietrzak, Michael Walter, and Michelle X Yeo. “Inverse-Sybil Attacks in Automated Contact Tracing.” In Topics in Cryptology – CT-RSA 2021, 12704:399–421. Springer Nature, 2021. https://doi.org/10.1007/978-3-030-75539-3_17.
[Submitted Version]
View
| DOI
| Download Submitted Version (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10041 |

Kamath Hosdurg, Chethan, Karen Klein, Krzysztof Z Pietrzak, and Daniel Wichs. “Limits on the Adaptive Security of Yao’s Garbling.” In 41st Annual International Cryptology Conference, Part II , 12826:486–515. Cham: Springer Nature, 2021. https://doi.org/10.1007/978-3-030-84245-1_17.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10048 |

Kamath Hosdurg, Chethan, Karen Klein, Krzysztof Z Pietrzak, and Michael Walter. “The Cost of Adaptivity in Security Games on Graphs.” In 19th Theory of Cryptography Conference 2021. International Association for Cryptologic Research, 2021.
[Preprint]
View
| Files available
| Download Preprint (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10044 |

Kamath Hosdurg, Chethan, Karen Klein, and Krzysztof Z Pietrzak. “On Treewidth, Separators and Yao’s Garbling.” In 19th Theory of Cryptography Conference 2021. International Association for Cryptologic Research, 2021.
[Preprint]
View
| Files available
| Download Preprint (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10408 |

Alwen, Joel F, Benedikt Auerbach, Mirza Ahad Baig, Miguel Cueto Noval, Karen Klein, Guillermo Pascual Perez, Krzysztof Z Pietrzak, and Michael Walter. “Grafting Key Trees: Efficient Key Management for Overlapping Groups.” In 19th International Conference, 13044:222–53. Springer Nature, 2021. https://doi.org/10.1007/978-3-030-90456-2_8.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2021 | Published | Thesis | IST-REx-ID: 10035 |

Klein, Karen. “On the Adaptive Security of Graph-Based Games.” Institute of Science and Technology Austria, 2021. https://doi.org/10.15479/at:ista:10035.
[Published Version]
View
| Files available
| DOI
2021 | Published | Conference Paper | IST-REx-ID: 10049 |

Klein, Karen, Guillermo Pascual Perez, Michael Walter, Chethan Kamath Hosdurg, Margarita Capretto, Miguel Cueto Noval, Ilia Markov, Michelle X Yeo, Joel F Alwen, and Krzysztof Z Pietrzak. “Keep the Dirt: Tainted TreeKEM, Adaptively and Actively Secure Continuous Group Key Agreement.” In 2021 IEEE Symposium on Security and Privacy , 268–84. IEEE, 2021. https://doi.org/10.1109/sp40001.2021.00035.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
2019 | Published | Conference Paper | IST-REx-ID: 6430 |

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.)
2019 | Published | Conference Paper | IST-REx-ID: 7411 |

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
2018 | Published | Conference Paper | IST-REx-ID: 193 |

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
2017 | Published | Conference Paper | IST-REx-ID: 637 |

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.)
Search
Filter Publications
Display / Sort
Export / Embed
Grants
15 Publications
2024 | Published | Conference Paper | IST-REx-ID: 18086
Alwen, Joel F, Benedikt Auerbach, Miguel Cueto Noval, Karen Klein, Guillermo Pascual Perez, and Krzysztof Z Pietrzak. “DeCAF: Decentralizable CGKA with Fast Healing.” In Security and Cryptography for Networks: 14th International Conference, edited by Clemente Galdi and Duong Hieu Phan, 14974:294–313. Cham: Springer Nature, 2024. https://doi.org/10.1007/978-3-031-71073-5_14.
View
| Files available
| DOI
2022 | Published | Conference Paper | IST-REx-ID: 11476 |

Alwen, Joël, Benedikt Auerbach, Miguel Cueto Noval, Karen Klein, Guillermo Pascual Perez, Krzysztof Z Pietrzak, and Michael Walter. “CoCoA: Concurrent Continuous Group Key Agreement.” In Advances in Cryptology – EUROCRYPT 2022, 13276:815–844. Cham: Springer Nature, 2022. https://doi.org/10.1007/978-3-031-07085-3_28.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2021 | Published | Conference Paper | IST-REx-ID: 10410 |

Kamath Hosdurg, Chethan, Karen Klein, Krzysztof Z Pietrzak, and Michael Walter. “The Cost of Adaptivity in Security Games on Graphs.” In 19th International Conference, 13043:550–81. Springer Nature, 2021. https://doi.org/10.1007/978-3-030-90453-1_19.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2021 | Published | Conference Paper | IST-REx-ID: 10409 |

Kamath Hosdurg, Chethan, Karen Klein, and Krzysztof Z Pietrzak. “On Treewidth, Separators and Yao’s Garbling.” In 19th International Conference, 13043:486–517. Springer Nature, 2021. https://doi.org/10.1007/978-3-030-90453-1_17.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2021 | Published | Conference Paper | IST-REx-ID: 9826 |

Auerbach, Benedikt, Suvradip Chakraborty, Karen Klein, Guillermo Pascual Perez, Krzysztof Z Pietrzak, Michael Walter, and Michelle X Yeo. “Inverse-Sybil Attacks in Automated Contact Tracing.” In Topics in Cryptology – CT-RSA 2021, 12704:399–421. Springer Nature, 2021. https://doi.org/10.1007/978-3-030-75539-3_17.
[Submitted Version]
View
| DOI
| Download Submitted Version (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10041 |

Kamath Hosdurg, Chethan, Karen Klein, Krzysztof Z Pietrzak, and Daniel Wichs. “Limits on the Adaptive Security of Yao’s Garbling.” In 41st Annual International Cryptology Conference, Part II , 12826:486–515. Cham: Springer Nature, 2021. https://doi.org/10.1007/978-3-030-84245-1_17.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10048 |

Kamath Hosdurg, Chethan, Karen Klein, Krzysztof Z Pietrzak, and Michael Walter. “The Cost of Adaptivity in Security Games on Graphs.” In 19th Theory of Cryptography Conference 2021. International Association for Cryptologic Research, 2021.
[Preprint]
View
| Files available
| Download Preprint (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10044 |

Kamath Hosdurg, Chethan, Karen Klein, and Krzysztof Z Pietrzak. “On Treewidth, Separators and Yao’s Garbling.” In 19th Theory of Cryptography Conference 2021. International Association for Cryptologic Research, 2021.
[Preprint]
View
| Files available
| Download Preprint (ext.)
2021 | Published | Conference Paper | IST-REx-ID: 10408 |

Alwen, Joel F, Benedikt Auerbach, Mirza Ahad Baig, Miguel Cueto Noval, Karen Klein, Guillermo Pascual Perez, Krzysztof Z Pietrzak, and Michael Walter. “Grafting Key Trees: Efficient Key Management for Overlapping Groups.” In 19th International Conference, 13044:222–53. Springer Nature, 2021. https://doi.org/10.1007/978-3-030-90456-2_8.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
| WoS
2021 | Published | Thesis | IST-REx-ID: 10035 |

Klein, Karen. “On the Adaptive Security of Graph-Based Games.” Institute of Science and Technology Austria, 2021. https://doi.org/10.15479/at:ista:10035.
[Published Version]
View
| Files available
| DOI
2021 | Published | Conference Paper | IST-REx-ID: 10049 |

Klein, Karen, Guillermo Pascual Perez, Michael Walter, Chethan Kamath Hosdurg, Margarita Capretto, Miguel Cueto Noval, Ilia Markov, Michelle X Yeo, Joel F Alwen, and Krzysztof Z Pietrzak. “Keep the Dirt: Tainted TreeKEM, Adaptively and Actively Secure Continuous Group Key Agreement.” In 2021 IEEE Symposium on Security and Privacy , 268–84. IEEE, 2021. https://doi.org/10.1109/sp40001.2021.00035.
[Preprint]
View
| Files available
| DOI
| Download Preprint (ext.)
2019 | Published | Conference Paper | IST-REx-ID: 6430 |

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.)
2019 | Published | Conference Paper | IST-REx-ID: 7411 |

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
2018 | Published | Conference Paper | IST-REx-ID: 193 |

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
2017 | Published | Conference Paper | IST-REx-ID: 637 |

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.)