Michael Walter

According to our database, Michael Walter authored at least 36 papers between 2009 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2025

Threshold (Fully) Homomorphic Encryption.

Carl Bootland, Kelong Cong, Daniel Demmler, Tore Kasper Frederiksen, Benoit Libert, Jean-Baptiste Orfila, Dragos Rotaru, Nigel P. Smart, Titouan Tanguy, Samuel Tap, Michael Walter

IACR Cryptol. ePrint Arch., 2025

Error-Simulatable Sanitization for TFHE and Applications.

Nigel P. Smart, Michael Walter

IACR Commun. Cryptol., 2025

Drifting Towards Better Error Probabilities in Fully Homomorphic Encryption Schemes.

Olivier Bernard, Marc Joye, Nigel P. Smart, Michael Walter

Proceedings of the Advances in Cryptology - EUROCRYPT 2025, 2025

2024

Towards Verifiable FHE in Practice: Proving Correct Execution of TFHE's Bootstrapping using plonky2.

Louis Tremblay Thibault, Michael Walter

IACR Cryptol. ePrint Arch., 2024

2023

Improving Convergence and Practicality of Slide-type Reductions.

Jianwei Li, Michael Walter

IACR Cryptol. ePrint Arch., 2023

Noah's Ark: Efficient Threshold-FHE Using Noise Flooding.

Morten Dahl, Daniel Demmler, Sarah El Kazdadi, Arthur Meyre, Jean-Baptiste Orfila, Dragos Rotaru, Nigel P. Smart, Samuel Tap, Michael Walter

Proceedings of the 11th Workshop on Encrypted Computing & Applied Homomorphic Cryptography, 2023

2022

On Side-Channel and CVO Attacks against TFHE and FHEW.

Michael Walter

IACR Cryptol. ePrint Arch., 2022

CoCoA: Concurrent Continuous Group Key Agreement.

Joël Alwen, Benedikt Auerbach, Miguel Cueto Noval, Karen Klein, Guillermo Pascual-Perez, Krzysztof Pietrzak, Michael Walter

Proceedings of the Advances in Cryptology - EUROCRYPT 2022 - 41st Annual International Conference on the Theory and Applications of Cryptographic Techniques, Trondheim, Norway, May 30, 2022

Liberating TFHE: Programmable Bootstrapping with General Quotient Polynomials.

Marc Joye, Michael Walter

Proceedings of the 10th Workshop on Encrypted Computing & Applied Homomorphic Cryptography, 2022

2021

On the Cost of Adaptivity in Graph-Based Games.

Chethan Kamath, Karen Klein, Krzysztof Pietrzak, Michael Walter

IACR Cryptol. ePrint Arch., 2021

The Cost of Adaptivity in Security Games on Graphs.

Chethan Kamath, Karen Klein, Krzysztof Pietrzak, Michael Walter

Proceedings of the Theory of Cryptography - 19th International Conference, 2021

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

Proceedings of the Theory of Cryptography - 19th International Conference, 2021

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

Proceedings of the 42nd IEEE Symposium on Security and Privacy, 2021

The Convergence of Slide-Type Reductions.

Michael Walter

Proceedings of the Public-Key Cryptography - PKC 2021, 2021

Dual Lattice Attacks for Closest Vector Problems (with Preprocessing).

Thijs Laarhoven, Michael Walter

Proceedings of the Topics in Cryptology - CT-RSA 2021, 2021

Inverse-Sybil Attacks in Automated Contact Tracing.

Benedikt Auerbach, Suvradip Chakraborty, Karen Klein, Guillermo Pascual-Perez, Krzysztof Pietrzak, Michael Walter, Michelle Yeo

Proceedings of the Topics in Cryptology - CT-RSA 2021, 2021

2020

Improved Discrete Gaussian and Subgaussian Analysis for Lattice Cryptography.

Nicholas Genise, Daniele Micciancio, Chris Peikert, Michael Walter

Proceedings of the Public-Key Cryptography - PKC 2020, 2020

2019

Keep the Dirt: Tainted TreeKEM, an Efficient and Provably Secure Continuous Group Key Agreement Protocol.

Joël Alwen, Margarita Capretto, Miguel Cueto, Chethan Kamath, Karen Klein, Guillermo Pascual-Perez, Krzysztof Pietrzak, Michael Walter

IACR Cryptol. ePrint Arch., 2019

Reversible Proofs of Sequential Work.

Hamza Abusalah, Chethan Kamath, Karen Klein, Krzysztof Pietrzak, Michael Walter

Proceedings of the Advances in Cryptology - EUROCRYPT 2019, 2019

Sampling the Integers with Low Relative Error.

Michael Walter

Proceedings of the Progress in Cryptology - AFRICACRYPT 2019, 2019

2018

On the Bit Security of Cryptographic Primitives.

Daniele Micciancio, Michael Walter

Proceedings of the Advances in Cryptology - EUROCRYPT 2018 - 37th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Tel Aviv, Israel, April 29, 2018

2017

On the Concrete Security of Lattice-Based Cryptography.

Michael Walter

PhD thesis, 2017

Gaussian Sampling over the Integers: Efficient, Generic, Constant-Time.

Daniele Micciancio, Michael Walter

Proceedings of the Advances in Cryptology - CRYPTO 2017, 2017

2016

Practical, Predictable Lattice Basis Reduction.

Daniele Micciancio, Michael Walter

Proceedings of the Advances in Cryptology - EUROCRYPT 2016, 2016

Creating Cryptographic Challenges Using Multi-Party Computation: The LWE Challenge.

Johannes Buchmann, Niklas Büscher, Florian Göpfert, Stefan Katzenbeisser, Juliane Krämer, Daniele Micciancio, Sander Siim, Christine van Vredendaal, Michael Walter

Proceedings of the 3rd ACM International Workshop on ASIA Public-Key Cryptography, 2016

2015

Fast Lattice Point Enumeration with Minimal Overhead.

Daniele Micciancio, Michael Walter

Proceedings of the Twenty-Sixth Annual ACM-SIAM Symposium on Discrete Algorithms, 2015

Lattice Point Enumeration on Block Reduced Bases.

Michael Walter

Proceedings of the Information Theoretic Security - 8th International Conference, 2015

2014

Full analysis of PRINTcipher with respect to invariant subspace attack: efficient key recovery and countermeasures.

Stanislav Bulygin, Michael Walter, Johannes Buchmann

Des. Codes Cryptogr., 2014

2013

Many Weak Keys for PRINTcipher: Fast Key Recovery and Countermeasures.

Stanislav Bulygin, Michael Walter, Johannes Buchmann

Proceedings of the Topics in Cryptology - CT-RSA 2013, 2013

2012

Improving 3D similarity search by enhancing and combining 3D descriptors.

Benjamin Bustos, Tobias Schreck, Michael Walter, Juan Manuel Barrios, Matthias Schäfer, Daniel A. Keim

Multim. Tools Appl., 2012

Improved Algebraic Side-Channel Attack on AES.

Mohamed Saied Emam Mohamed, Stanislav Bulygin, Michael Zohner, Annelie Heuser, Michael Walter

IACR Cryptol. ePrint Arch., 2012

Study of the invariant coset attack on PRINTcipher: more weak keys with practical key recovery.

Stanislav Bulygin, Michael Walter

IACR Cryptol. ePrint Arch., 2012

Graph-based combinations of fragment descriptors for improved 3D Object Retrieval.

Tobias Schreck, Maximilian Scherer, Michael Walter, Benjamin Bustos, Sang Min Yoon, Arjan Kuijper

Proceedings of the Third Annual ACM SIGMM Conference on Multimedia Systems, 2012

Improved algebraic side-channel attack on AES.

Mohamed Saied Emam Mohamed, Stanislav Bulygin, Michael Zohner, Annelie Heuser, Michael Walter, Johannes Buchmann

Proceedings of the 2012 IEEE International Symposium on Hardware-Oriented Security and Trust, 2012

Optimizing Guessing Strategies for Algebraic Cryptanalysis with Applications to EPCBC.

Michael Walter, Stanislav Bulygin, Johannes Buchmann

Proceedings of the Information Security and Cryptology - 8th International Conference, 2012

2009

SHREC'09 Track: Generic Shape Retrieval.

Afzal Godil, Helin Dutagaci, Ceyhun Burak Akgül, Apostolos Axenopoulos, Benjamin Bustos, Mohamed Chaouch, Petros Daras, Takahiko Furuya, Sebastian Kreft, Zhouhui Lian, Thibault Napoléon, Athanasios Mademlis, Ryutarou Ohbuchi, Paul L. Rosin, Bülent Sankur, Tobias Schreck, Xianfang Sun, Masaki Tezuka, Anne Verroust-Blondet, Michael Walter, Yücel Yemez

Proceedings of the 2nd Eurographics Workshop on 3D Object Retrieval, 2009