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Journal Articles

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2024
[j3]
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  - journals/tosc/GrassiKLRSW24
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Lorenzo Grassi, Dmitry Khovratovich, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger, Roman Walch:
Monolith: Circuit-Friendly Hash Functions with New Nonlinear Layers for Fast and Constant-Time Implementations. IACR Trans. Symmetric Cryptol. 2024(3): 44-83 (2024)
2023
[j2]
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  - journals/tches/Dobraunig0HRSW23
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Christoph Dobraunig, Lorenzo Grassi, Lukas Helminger, Christian Rechberger, Markus Schofnegger, Roman Walch:
Pasta: A Case for Hybrid Homomorphic Encryption. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2023(3): 30-73 (2023)
2022
[j1]
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  - journals/popets/BampoulidisBHKR22
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Alexandros Bampoulidis, Alessandro Bruni, Lukas Helminger, Daniel Kales, Christian Rechberger, Roman Walch:
Privately Connecting Mobility to Infectious Diseases via Applied Cryptography. Proc. Priv. Enhancing Technol. 2022(4): 768-788 (2022)

Conference and Workshop Papers

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2024
[c6]
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  - conf/sec/MukherjeeWMLR24
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Shibam Mukherjee, Roman Walch, Fredrik Meisingseth, Elisabeth Lex, Christian Rechberger:
Hiding Your Awful Online Choices Made More Efficient and Secure: A New Privacy-Aware Recommender System. SEC 2024: 353-366
2023
[c5]
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  - conf/crypto/GrassiHRSWW23
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Lorenzo Grassi, Yonglin Hao, Christian Rechberger, Markus Schofnegger, Roman Walch, Qingju Wang:
Horst Meets Fluid-SPN: Griffin for Zero-Knowledge Applications. CRYPTO (3) 2023: 573-606
[c4]
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  - conf/eurocrypt/GrassiOSW23
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Lorenzo Grassi, Morten Øygarden, Markus Schofnegger, Roman Walch:
From Farfalle to Megafono via Ciminion: The PRF Hydra for MPC Applications. EUROCRYPT (4) 2023: 255-286
2022
[c3]
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  - conf/ccs/0001KLRSW22
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Lorenzo Grassi, Dmitry Khovratovich, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger, Roman Walch:
Reinforced Concrete: A Fast Hash Function for Verifiable Computation. CCS 2022: 1323-1335
2021
[c2]
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  - conf/ctrsa/HelmingerKRW21
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Lukas Helminger, Daniel Kales, Sebastian Ramacher, Roman Walch:
Multi-party Revocation in Sovrin: Performance through Distributed Trust. CT-RSA 2021: 527-551
2020
[c1]
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Daniel Kales, Sebastian Ramacher, Christian Rechberger, Roman Walch, Mario Werner:
Efficient FPGA Implementations of LowMC and Picnic. CT-RSA 2020: 417-441

Parts in Books or Collections

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2022
[p1]
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  - series/lncs/RechbergerW22
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Christian Rechberger, Roman Walch:
Privacy-Preserving Machine Learning Using Cryptography. Security and Artificial Intelligence 2022: 109-129

Informal and Other Publications

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2024
[i14]
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  - journals/corr/abs-2405-04463
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Remco Bloemen, Daniel Kales, Philipp Sippl, Roman Walch:
Large-Scale MPC: Scaling Private Iris Code Uniqueness Checks to Millions of Users. CoRR abs/2405.04463 (2024)
[i13]
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  - journals/corr/abs-2405-20483
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Shibam Mukherjee, Roman Walch, Fredrik Meisingseth, Elisabeth Lex, Christian Rechberger:
Hiding Your Awful Online Choices Made More Efficient and Secure: A New Privacy-Aware Recommender System. CoRR abs/2405.20483 (2024)
[i12]
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  - journals/iacr/BloemenKSW24
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Remco Bloemen, Daniel Kales, Philipp Sippl, Roman Walch:
Large-Scale MPC: Scaling Private Iris Code Uniqueness Checks to Millions of Users. IACR Cryptol. ePrint Arch. 2024: 705 (2024)
[i11]
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Lorenzo Grassi, Fukang Liu, Christian Rechberger, Fabian Schmid, Roman Walch, Qingju Wang:
Minimize the Randomness in Rasta-Like Designs: How Far Can We Go? IACR Cryptol. ePrint Arch. 2024: 791 (2024)
2023
[i10]
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Lorenzo Grassi, Dmitry Khovratovich, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger, Roman Walch:
Hash Functions Monolith for ZK Applications: May the Speed of SHA-3 be With You. IACR Cryptol. ePrint Arch. 2023: 1025 (2023)
2022
[i9]
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  - journals/corr/abs-2205-11935
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Roman Walch, Samuel Sousa, Lukas Helminger, Stefanie N. Lindstaedt, Christian Rechberger, Andreas Trügler:
CryptoTL: Private, efficient and secure transfer learning. CoRR abs/2205.11935 (2022)
[i8]
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Lorenzo Grassi, Morten Øygarden, Markus Schofnegger, Roman Walch:
From Farfalle to Megafono via Ciminion: The PRF Hydra for MPC Applications. IACR Cryptol. ePrint Arch. 2022: 342 (2022)
[i7]
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Lorenzo Grassi, Yonglin Hao, Christian Rechberger, Markus Schofnegger, Roman Walch, Qingju Wang:
A New Feistel Approach Meets Fluid-SPN: Griffin for Zero-Knowledge Applications. IACR Cryptol. ePrint Arch. 2022: 403 (2022)
2021
[i6]
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  - journals/iacr/DobraunigGHRSW21
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Christoph Dobraunig, Lorenzo Grassi, Lukas Helminger, Christian Rechberger, Markus Schofnegger, Roman Walch:
Pasta: A Case for Hybrid Homomorphic Encryption. IACR Cryptol. ePrint Arch. 2021: 731 (2021)
[i5]
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Mario Barbara, Lorenzo Grassi, Dmitry Khovratovich, Reinhard Lüftenegger, Christian Rechberger, Markus Schofnegger, Roman Walch:
Reinforced Concrete: Fast Hash Function for Zero Knowledge Proofs and Verifiable Computation. IACR Cryptol. ePrint Arch. 2021: 1038 (2021)
2020
[i4]
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  - journals/corr/abs-2005-02061
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Lukas Helminger, Daniel Kales, Christian Rechberger, Roman Walch:
Aggregated Private Information Retrieval: A First Practical Implementation to Support Large-Scale Disease Analytics. CoRR abs/2005.02061 (2020)
[i3]
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  - journals/iacr/HelmingerKRW20
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Lukas Helminger, Daniel Kales, Christian Rechberger, Roman Walch:
Aggregated Private Information Retrieval: A First Practical Implementation to Support Large-Scale Disease Analytics. IACR Cryptol. ePrint Arch. 2020: 522 (2020)
[i2]
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Lukas Helminger, Daniel Kales, Sebastian Ramacher, Roman Walch:
Multi-Party Revocation in Sovrin: Performance through Distributed Trust. IACR Cryptol. ePrint Arch. 2020: 724 (2020)
2019
[i1]
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  - journals/iacr/KalesRRWW19
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Daniel Kales, Sebastian Ramacher, Christian Rechberger, Roman Walch, Mario Werner:
Efficient FPGA Implementations of LowMC and Picnic. IACR Cryptol. ePrint Arch. 2019: 1368 (2019)

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