Christian Schaffner

Publication Activity (10 Years)

Years Active: 2005-2022
Publications (10 Years): 43

Top Topics

Identity Authentication

Key Distribution

Homomorphic Encryption

Top Venues

IACR Cryptol. ePrint Arch.

Publications

Jelle Don, Serge Fehr, Christian Majenz, Christian Schaffner
Efficient NIZKs and Signatures from Commit-and-Open Protocols in the QROM. CoRR (2022)
Jelle Don, Serge Fehr, Christian Majenz, Christian Schaffner
Efficient NIZKs and Signatures from Commit-and-Open Protocols in the QROM. IACR Cryptol. ePrint Arch. 2022 (2022)
Jelle Don, Serge Fehr, Christian Majenz, Christian Schaffner
Efficient NIZKs and Signatures from Commit-and-Open Protocols in the QROM. CRYPTO (2) (2022)
Jelle Don, Serge Fehr, Christian Majenz, Christian Schaffner
Online-Extractability in the Quantum Random-Oracle Model. EUROCRYPT (3) (2022)
Ashwin Venkatraman, Gabriela Hug, Christian Schaffner, Marina González Vayá
Optimal Design of Time-of-Use Tariffs using Bilevel Optimization. ISGT-Europe (2022)
Jelle Don, Serge Fehr, Christian Majenz, Christian Schaffner
Online-Extractability in the Quantum Random-Oracle Model. IACR Cryptol. ePrint Arch. 2021 (2021)
Christian Majenz, Christian Schaffner, Mehrdad Tahmasbi
Limitations on Uncloneable Encryption and Simultaneous One-Way-to-Hiding. IACR Cryptol. ePrint Arch. 2021 (2021)
Yfke Dulek, Stacey Jeffery, Christian Majenz, Christian Schaffner, Florian Speelman, Ronald de Wolf
A Guide for New Program Committee Members at Theoretical Computer Science Conferences. CoRR (2021)
Jelle Don, Serge Fehr, Christian Majenz, Christian Schaffner
Online-Extractability in the Quantum Random-Oracle Model. CoRR (2021)
Christian Majenz, Christian Schaffner, Mehrdad Tahmasbi
Limitations on Uncloneable Encryption and Simultaneous One-Way-to-Hiding. CoRR (2021)
Gorjan Alagic, Zvika Brakerski, Yfke Dulek, Christian Schaffner
Impossibility of Quantum Virtual Black-Box Obfuscation of Classical Circuits. CRYPTO (1) (2021)
Yfke Dulek, Alex B. Grilo, Stacey Jeffery, Christian Majenz, Christian Schaffner
Secure Multi-party Quantum Computation with a Dishonest Majority. EUROCRYPT (3) (2020)
Gorjan Alagic, Zvika Brakerski, Yfke Dulek, Christian Schaffner
Impossibility of Quantum Virtual Black-Box Obfuscation of Classical Circuits. CoRR (2020)
Esteban Landerreche, Marc Stevens, Christian Schaffner
Non-interactive Cryptographic Timestamping Based on Verifiable Delay Functions. Financial Cryptography (2020)
Christian Majenz, Christian Schaffner, Jeroen van Wier
Non-malleability for quantum public-key encryption. CoRR (2019)
Jelle Don, Serge Fehr, Christian Majenz, Christian Schaffner
Security of the Fiat-Shamir Transformation in the Quantum Random-Oracle Model. CRYPTO (2) (2019)
Jan Czajkowski, Christian Majenz, Christian Schaffner, Sebastian Zur
Quantum Lazy Sampling and Game-Playing Proofs for Quantum Indifferentiability. IACR Cryptol. ePrint Arch. 2019 (2019)
Jan Czajkowski, Christian Majenz, Christian Schaffner, Sebastian Zur
Quantum Lazy Sampling and Game-Playing Proofs for Quantum Indifferentiability. CoRR (2019)
Jan Czajkowski, Andreas Hülsing, Christian Schaffner
Quantum Indistinguishability of Random Sponges. CRYPTO (2) (2019)
Esteban Landerreche, Marc Stevens, Christian Schaffner
Non-interactive Cryptographic Timestamping based on Verifiable Delay Functions. IACR Cryptol. ePrint Arch. 2019 (2019)
Jan Czajkowski, Andreas Hülsing, Christian Schaffner
Quantum Indistinguishability of Random Sponges. IACR Cryptol. ePrint Arch. 2019 (2019)
Yfke Dulek, Alex B. Grilo, Stacey Jeffery, Christian Majenz, Christian Schaffner
Secure Multi-party Quantum Computation with a Dishonest Majority. CoRR (2019)
Jelle Don, Serge Fehr, Christian Majenz, Christian Schaffner
Security of the Fiat-Shamir Transformation in the Quantum Random-Oracle Model. CoRR (2019)
Yfke Dulek, Alex B. Grilo, Stacey Jeffery, Christian Majenz, Christian Schaffner
Secure Multi-party Quantum Computation with a Dishonest Majority. IACR Cryptol. ePrint Arch. 2019 (2019)
Christian Majenz, Christian Schaffner, Jeroen van Wier
Non-malleability for quantum public-key encryption. IACR Cryptol. ePrint Arch. 2019 (2019)
Jelle Don, Serge Fehr, Christian Majenz, Christian Schaffner
Security of the Fiat-Shamir Transformation in the Quantum Random-Oracle Model. IACR Cryptol. ePrint Arch. 2019 (2019)
Eike Kiltz, Vadim Lyubashevsky, Christian Schaffner
A Concrete Treatment of Fiat-Shamir Signatures in the Quantum Random-Oracle Model. EUROCRYPT (3) (2018)
Jan Czajkowski, Leon Groot Bruinderink, Andreas Hülsing, Christian Schaffner, Dominique Unruh
Post-quantum Security of the Sponge Construction. PQCrypto (2018)
Yfke Dulek, Christian Schaffner, Florian Speelman
Quantum Homomorphic Encryption for Polynomial-Size Circuits. Theory Comput. 14 (1) (2018)
Thomas Santoli, Christian Schaffner
Using Simon's algorithm to attack symmetric-key cryptographic primitives. Quantum Inf. Comput. 17 (1&2) (2017)
Gorjan Alagic, Yfke Dulek, Christian Schaffner, Florian Speelman
Quantum Fully Homomorphic Encryption with Verification. ASIACRYPT (1) (2017)
Jan Czajkowski, Leon Groot Bruinderink, Andreas Hülsing, Christian Schaffner, Dominique Unruh
Post-quantum security of the sponge construction. IACR Cryptol. ePrint Arch. 2017 (2017)
Gorjan Alagic, Yfke Dulek, Christian Schaffner, Florian Speelman
Quantum Fully Homomorphic Encryption With Verification. CoRR (2017)
Eike Kiltz, Vadim Lyubashevsky, Christian Schaffner
A Concrete Treatment of Fiat-Shamir Signatures in the Quantum Random-Oracle Model. IACR Cryptol. ePrint Arch. 2017 (2017)
Thomas Santoli, Christian Schaffner
Using Simon's Algorithm to Attack Symmetric-Key Cryptographic Primitives. CoRR (2016)
Gorjan Alagic, Anne Broadbent, Bill Fefferman, Tommaso Gagliardoni, Christian Schaffner, Michael St. Jules
Computational Security of Quantum Encryption. ICITS (2016)
Yfke Dulek, Christian Schaffner, Florian Speelman
Quantum homomorphic encryption for polynomial-sized circuits. CoRR (2016)
Anne Broadbent, Christian Schaffner
Quantum cryptography beyond quantum key distribution. Des. Codes Cryptogr. 78 (1) (2016)
Gorjan Alagic, Anne Broadbent, Bill Fefferman, Tommaso Gagliardoni, Christian Schaffner, Michael St. Jules
Computational Security of Quantum Encryption. IACR Cryptol. ePrint Arch. 2016 (2016)
Yfke Dulek, Christian Schaffner, Florian Speelman
Quantum homomorphic encryption for polynomial-sized circuits. IACR Cryptol. ePrint Arch. 2016 (2016)
Tommaso Gagliardoni, Andreas Hülsing, Christian Schaffner
Semantic Security and Indistinguishability in the Quantum World. CRYPTO (3) (2016)
Yfke Dulek, Christian Schaffner, Florian Speelman
Quantum Homomorphic Encryption for Polynomial-Sized Circuits. CRYPTO (3) (2016)
Gorjan Alagic, Anne Broadbent, Bill Fefferman, Tommaso Gagliardoni, Christian Schaffner, Michael St. Jules
Computational Security of Quantum Encryption. CoRR (2016)
Louis Salvail, Christian Schaffner, Miroslava Sotáková
Quantifying the Leakage of Quantum Protocols for Classical Two-Party Cryptography. CoRR (2015)
Anne Broadbent, Christian Schaffner
Quantum Cryptography Beyond Quantum Key Distribution. IACR Cryptol. ePrint Arch. 2015 (2015)
Tommaso Gagliardoni, Andreas Hülsing, Christian Schaffner
Semantic Security and Indistinguishability in the Quantum World. IACR Cryptol. ePrint Arch. 2015 (2015)
Tommaso Gagliardoni, Andreas Hülsing, Christian Schaffner
Semantic Security and Indistinguishability in the Quantum World. CoRR (2015)
Teresa Piovesan, Giannicola Scarpa, Christian Schaffner
Multiparty Zero-Error Classical Channel Coding With Entanglement. IEEE Trans. Inf. Theory 61 (2) (2015)
Harry Buhrman, Serge Fehr, Christian Schaffner
On the Parallel Repetition of Multi-Player Games: The No-Signaling Case. TQC (2014)
Harry Buhrman, Nishanth Chandran, Serge Fehr, Ran Gelles, Vipul Goyal, Rafail Ostrovsky, Christian Schaffner
Position-Based Quantum Cryptography: Impossibility and Constructions. SIAM J. Comput. 43 (1) (2014)
Ivan Damgård, Serge Fehr, Louis Salvail, Christian Schaffner
Secure identification and QKD in the bounded-quantum-storage model. Theor. Comput. Sci. 560 (2014)
Harry Buhrman, Serge Fehr, Christian Schaffner, Florian Speelman
The garden-hose model. ITCS (2013)
Niek J. Bouman, Serge Fehr, Carlos González-Guillén, Christian Schaffner
An All-But-One Entropic Uncertainty Relation, and Application to Password-Based Identification. TQC (2012)
Harry Buhrman, Matthias Christandl, Christian Schaffner
Complete Insecurity of Quantum Protocols for Classical Two-Party Computation CoRR (2012)
Harry Buhrman, Serge Fehr, Christian Schaffner
Position-Based Quantum Cryptography. ERCIM News 2011 (85) (2011)
Marco Tomamichel, Christian Schaffner, Adam D. Smith, Renato Renner
Leftover Hashing Against Quantum Side Information. IEEE Trans. Inf. Theory 57 (8) (2011)
Dan Boneh, Özgür Dagdelen, Marc Fischlin, Anja Lehmann, Christian Schaffner, Mark Zhandry
Random Oracles in a Quantum World. ASIACRYPT (2011)
Harry Buhrman, Serge Fehr, Christian Schaffner, Florian Speelman
The Garden-Hose Game: A New Model of Computation, and Application to Position-Based Quantum Cryptography CoRR (2011)
Harry Buhrman, Nishanth Chandran, Serge Fehr, Ran Gelles, Vipul Goyal, Rafail Ostrovsky, Christian Schaffner
Position-Based Quantum Cryptography: Impossibility and Constructions. CRYPTO (2011)
Serge Fehr, Ran Gelles, Christian Schaffner
Security and Composability of Randomness Expansion from Bell Inequalities CoRR (2011)
Dan Boneh, Özgür Dagdelen, Marc Fischlin, Anja Lehmann, Christian Schaffner, Mark Zhandry
Random Oracles in a Quantum World. IACR Cryptol. ePrint Arch. 2010 (2010)
Harry Buhrman, Nishanth Chandran, Serge Fehr, Ran Gelles, Vipul Goyal, Rafail Ostrovsky, Christian Schaffner
Position-Based Quantum Cryptography: Impossibility and Constructions. IACR Cryptol. ePrint Arch. 2010 (2010)
Özgür Dagdelen, Marc Fischlin, Anja Lehmann, Christian Schaffner
Random Oracles in a Quantum World CoRR (2010)
Marco Tomamichel, Renato Renner, Christian Schaffner, Adam D. Smith
Leftover Hashing against quantum side information. ISIT (2010)
Harry Buhrman, Nishanth Chandran, Serge Fehr, Ran Gelles, Vipul Goyal, Rafail Ostrovsky, Christian Schaffner
Position-Based Quantum Cryptography: Impossibility and Constructions CoRR (2010)
Robert König, Renato Renner, Christian Schaffner
The operational meaning of min- and max-entropy. IEEE Trans. Inf. Theory 55 (9) (2009)
Louis Salvail, Christian Schaffner, Miroslava Sotáková
On the Power of Two-Party Quantum Cryptography. ASIACRYPT (2009)
Serge Fehr, Christian Schaffner
Composing Quantum Protocols in a Classical Environment. TCC (2009)
Ivan Damgård, Serge Fehr, Carolin Lunemann, Louis Salvail, Christian Schaffner
Improving the Security of Quantum Protocols via Commit-and-Open. CRYPTO (2009)
Christian Schaffner, Barbara M. Terhal, Stephanie Wehner
Robust cryptography in the noisy-quantum-storage model. Quantum Inf. Comput. 9 (11&12) (2009)
Ivan Damgård, Serge Fehr, Louis Salvail, Christian Schaffner
Cryptography in the Bounded-Quantum-Storage Model. SIAM J. Comput. 37 (6) (2008)
Serge Fehr, Christian Schaffner
-Biased Masking in the Presence of a Quantum Attacker. TCC (2008)
Ivan Damgård, Serge Fehr, Renato Renner, Louis Salvail, Christian Schaffner
A Tight High-Order Entropic Quantum Uncertainty Relation With Applications. IACR Cryptol. ePrint Arch. 2007 (2007)
Serge Fehr, Christian Schaffner
Randomness Extraction via Delta-Biased Masking in the Presence of a Quantum Attacker CoRR (2007)
Christian Schaffner
Cryptography in the Bounded-Quantum-Storage Model CoRR (2007)
Ivan Damgård, Serge Fehr, Louis Salvail, Christian Schaffner
Secure Identification and QKD in the Bounded-Quantum-Storage Model. IACR Cryptol. ePrint Arch. 2007 (2007)
Stephanie Wehner, Christian Schaffner, Barbara M. Terhal
Cryptography from Noisy Photonic Storage CoRR (2007)
Serge Fehr, Christian Schaffner
Randomness Extraction via Delta-Biased Masking in the Presence of a Quantum Attacker. IACR Cryptol. ePrint Arch. 2007 (2007)
Ivan Damgård, Serge Fehr, Renato Renner, Louis Salvail, Christian Schaffner
A Tight High-Order Entropic Quantum Uncertainty Relation with Applications. CRYPTO (2007)
Ivan Damgård, Serge Fehr, Louis Salvail, Christian Schaffner
Secure Identification and QKD in the Bounded-Quantum-Storage Model. CRYPTO (2007)
Claude Crépeau, George Savvides, Christian Schaffner, Jürg Wullschleger
Information-Theoretic Conditions for Two-Party Secure Function Evaluation. IACR Cryptol. ePrint Arch. 2006 (2006)
Ivan Damgård, Serge Fehr, Renato Renner, Louis Salvail, Christian Schaffner
A Tight High-Order Entropic Quantum Uncertainty Relation With Applications CoRR (2006)
Claude Crépeau, George Savvides, Christian Schaffner, Jürg Wullschleger
Information-Theoretic Conditions for Two-Party Secure Function Evaluation. EUROCRYPT (2006)
Ivan Damgård, Serge Fehr, Louis Salvail, Christian Schaffner
Oblivious Transfer and Linear Functions. CRYPTO (2006)
Ivan Bjerre Damgård, Serge Fehr, Louis Salvail, Christian Schaffner
Cryptography in the bounded quantum-storage model. ICITS (2005)
Ivan Damgård, Serge Fehr, Louis Salvail, Christian Schaffner
Oblivious Transfer and Linear Functions. IACR Cryptol. ePrint Arch. 2005 (2005)
Ivan Damgård, Serge Fehr, Louis Salvail, Christian Schaffner
Cryptography In the Bounded Quantum-Storage Model. IACR Cryptol. ePrint Arch. 2005 (2005)
Ivan Damgård, Serge Fehr, Louis Salvail, Christian Schaffner
Cryptography In the Bounded Quantum-Storage Model CoRR (2005)
Ivan Damgård, Serge Fehr, Louis Salvail, Christian Schaffner
Cryptography In the Bounded Quantum-Storage Model. FOCS (2005)