Joël Alwen

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35 publications in security and cryptology related venues
Year
Venue
Title
2025
conf/crypto
Succinct PPRFs via Memory-Tight Reductions.
Joël Alwen Chris Brzuska Jérôme Govinden Patrick Harasser Stefano Tessaro
2024
conf/eurocrypt
Updatable Public-Key Encryption, Revisited.
Joël Alwen Georg Fuchsbauer Marta Mularczyk
2023
conf/ccs
Post-Quantum Multi-Recipient Public Key Encryption.
Joël Alwen Dominik Hartmann Eike Kiltz Marta Mularczyk Peter Schwabe
2023
conf/crypto
Fork-Resilient Continuous Group Key Agreement.
Joël Alwen Marta Mularczyk Yiannis Tselekounis
2023
conf/asiacrypt
The Pre-Shared Key Modes of HPKE.
Joël Alwen Jonas Janneck Eike Kiltz Benjamin Lipp
2022
conf/ccs
Server-Aided Continuous Group Key Agreement.
Joël Alwen Dominik Hartmann Eike Kiltz Marta Mularczyk
2022
conf/crypto
On the Insider Security of MLS.
Joël Alwen Daniel Jost Marta Mularczyk
2022
conf/eurocrypt
CoCoA: Concurrent Continuous Group Key Agreement.
Joël Alwen Benedikt Auerbach Miguel Cueto Noval Karen Klein Guillermo Pascual-Perez Krzysztof Pietrzak Michael Walter
2021
conf/ccs
Modular Design of Secure Group Messaging Protocols and the Security of MLS.
Joël Alwen Sandro Coretti Yevgeniy Dodis Yiannis Tselekounis
2021
conf/sp
Keep the Dirt: Tainted TreeKEM, Adaptively and Actively Secure Continuous Group Key Agreement.
Karen Klein Guillermo Pascual-Perez Michael Walter Chethan Kamath Margarita Capretto Miguel Cueto Ilia Markov Michelle Yeo Joël Alwen Krzysztof Pietrzak
2021
conf/eurocrypt
Analysing the HPKE Standard.
Joël Alwen Bruno Blanchet Eduard Hauck Eike Kiltz Benjamin Lipp Doreen Riepel
2021
conf/tcc
Grafting Key Trees: Efficient Key Management for Overlapping Groups.
Joël Alwen Benedikt Auerbach Mirza Ahad Baig Miguel Cueto Noval Karen Klein Guillermo Pascual-Perez Krzysztof Pietrzak Michael Walter
2020
conf/crypto
Security Analysis and Improvements for the IETF MLS Standard for Group Messaging.
Joël Alwen Sandro Coretti Yevgeniy Dodis Yiannis Tselekounis
2020
conf/tcc
Continuous Group Key Agreement with Active Security.
Joël Alwen Sandro Coretti Daniel Jost Marta Mularczyk
2019
conf/eurocrypt
The Double Ratchet: Security Notions, Proofs, and Modularization for the Signal Protocol.
Joël Alwen Sandro Coretti Yevgeniy Dodis
2018
conf/ccs
On the Memory-Hardness of Data-Independent Password-Hashing Functions.
Joël Alwen Peter Gazi Chethan Kamath Karen Klein Georg Osang Krzysztof Pietrzak Leonid Reyzin Michal Rolínek Michal Rybár
2018
conf/fc
SpaceMint: A Cryptocurrency Based on Proofs of Space.
Sunoo Park Albert Kwon Georg Fuchsbauer Peter Gazi Joël Alwen Krzysztof Pietrzak
2018
conf/eurocrypt
Sustained Space Complexity.
Joël Alwen Jeremiah Blocki Krzysztof Pietrzak
2017
conf/ccs
Practical Graphs for Optimal Side-Channel Resistant Memory-Hard Functions.
Joël Alwen Jeremiah Blocki Benjamin Harsha
2017
conf/eurosp
Towards Practical Attacks on Argon2i and Balloon Hashing.
Joël Alwen Jeremiah Blocki
2017
conf/eurocrypt
Depth-Robust Graphs and Their Cumulative Memory Complexity.
Joël Alwen Jeremiah Blocki Krzysztof Pietrzak
2017
conf/eurocrypt
Scrypt Is Maximally Memory-Hard.
Joël Alwen Binyi Chen Krzysztof Pietrzak Leonid Reyzin Stefano Tessaro
2017
conf/asiacrypt
Beyond Hellman's Time-Memory Trade-Offs with Applications to Proofs of Space.
Hamza Abusalah Joël Alwen Bram Cohen Danylo Khilko Krzysztof Pietrzak Leonid Reyzin
2017
conf/tcc
Moderately Hard Functions: Definition, Instantiations, and Applications.
Joël Alwen Björn Tackmann
2016
conf/crypto
Efficiently Computing Data-Independent Memory-Hard Functions.
Joël Alwen Jeremiah Blocki
2016
conf/eurocrypt
On the Complexity of Scrypt and Proofs of Space in the Parallel Random Oracle Model.
Joël Alwen Binyi Chen Chethan Kamath Vladimir Kolmogorov Krzysztof Pietrzak Stefano Tessaro
2015
conf/crypto
Incoercible Multi-party Computation and Universally Composable Receipt-Free Voting.
Joël Alwen Rafail Ostrovsky Hong-Sheng Zhou Vassilis Zikas
2014
conf/latincrypt
Anonymous Authentication with Shared Secrets.
Joël Alwen Martin Hirt Ueli Maurer Arpita Patra Pavel Raykov
2013
conf/crypto
Learning with Rounding, Revisited - New Reduction, Properties and Applications.
Joël Alwen Stephan Krenn Krzysztof Pietrzak Daniel Wichs
2012
conf/crypto
Collusion-Preserving Computation.
Joël Alwen Jonathan Katz Ueli Maurer Vassilis Zikas
2010
conf/eurocrypt
Public-Key Encryption in the Bounded-Retrieval Model.
Joël Alwen Yevgeniy Dodis Moni Naor Gil Segev Shabsi Walfish Daniel Wichs
2009
conf/crypto
Collusion-Free Multiparty Computation in the Mediated Model.
Joël Alwen Jonathan Katz Yehuda Lindell Giuseppe Persiano Abhi Shelat Ivan Visconti
2009
conf/crypto
Leakage-Resilient Public-Key Cryptography in the Bounded-Retrieval Model.
Joël Alwen Yevgeniy Dodis Daniel Wichs
2008
conf/crypto
Collusion-Free Protocols in the Mediated Model.
Joël Alwen Abhi Shelat Ivan Visconti
2005
conf/crypto
Impossibility and Feasibility Results for Zero Knowledge with Public Keys.
Joël Alwen Giuseppe Persiano Ivan Visconti

Coauthors

Abhi Shelat (2)
Albert Kwon (1)
Arpita Patra (1)
Benedikt Auerbach (2)
Benjamin Harsha (1)
Benjamin Lipp (2)
Binyi Chen (2)
Björn Tackmann (1)
Bram Cohen (1)
Bruno Blanchet (1)
Chethan Kamath (3)
Chris Brzuska (1)
Daniel Jost (2)
Daniel Wichs (3)
Danylo Khilko (1)
Dominik Hartmann (2)
Doreen Riepel (1)
Eduard Hauck (1)
Eike Kiltz (4)
Georg Fuchsbauer (2)
Georg Osang (1)
Gil Segev (1)
Giuseppe Persiano (2)
Guillermo Pascual-Perez (3)
Hamza Abusalah (1)
Hong-Sheng Zhou (1)
Ilia Markov (1)
Ivan Visconti (3)
Jeremiah Blocki (5)
Jérôme Govinden (1)
Joël Alwen (35)
Jonas Janneck (1)
Jonathan Katz (2)
Karen Klein (4)
Krzysztof Pietrzak (11)
Leonid Reyzin (3)
Margarita Capretto (1)
Marta Mularczyk (6)
Martin Hirt (1)
Michael Walter (3)
Michal Rolínek (1)
Michal Rybár (1)
Michelle Yeo (1)
Miguel Cueto (1)
Miguel Cueto Noval (2)
Mirza Ahad Baig (1)
Moni Naor (1)
Patrick Harasser (1)
Pavel Raykov (1)
Peter Gazi (2)
Peter Schwabe (1)
Rafail Ostrovsky (1)
Sandro Coretti (4)
Shabsi Walfish (1)
Stefano Tessaro (3)
Stephan Krenn (1)
Sunoo Park (1)
Ueli Maurer (2)
Vassilis Zikas (2)
Vladimir Kolmogorov (1)
Yehuda Lindell (1)
Yevgeniy Dodis (5)
Yiannis Tselekounis (3)
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