Christopher Portmann

37 papers C 1Journal 28Unranked 8
YearRankTypeTitle / Venue / Authors
2025 J jnl
Simpler and Stronger Models for Deniable Authentication.
IACR Cryptol. ePrint Arch.
Guilherme Rito, Christopher Portmann, Chen-Da Liu-Zhang
2024 J jnl
Stateful Communication with Malicious Parties.
IACR Cryptol. ePrint Arch.
Chen-Da Liu-Zhang, Christopher Portmann, Guilherme Rito
2022 — conf
Multi-Designated Receiver Signed Public Key Encryption.
EUROCRYPT (2)
Ueli Maurer, Christopher Portmann, Guilherme Rito
2022 J jnl
Multi-Designated Receiver Signed Public Key Encryption.
IACR Cryptol. ePrint Arch.
Ueli Maurer, Christopher Portmann, Guilherme Rito
2021 — conf
Giving an Adversary Guarantees (Or: How to Model Designated Verifier Signatures in a Composable Framework).
ASIACRYPT (3)
Ueli Maurer, Christopher Portmann, Guilherme Rito
2021 J jnl
Giving an Adversary Guarantees (Or: How to Model Designated Verifier Signatures in a Composable Framework).
IACR Cryptol. ePrint Arch.
Ueli Maurer, Christopher Portmann, Guilherme Rito
2021 — conf
Revisiting (R)CCA Security and Replay Protection.
Public Key Cryptography (2)
Christian Badertscher, Ueli Maurer, Christopher Portmann, Guilherme Rito
2021 J jnl
Security in Quantum Cryptography.
CoRR
Christopher Portmann, Renato Renner
2020 J jnl
Revisiting (R)CCA Security and Replay Protection.
IACR Cryptol. ePrint Arch.
Christian Badertscher, Ueli Maurer, Christopher Portmann, Guilherme Rito
2020 J jnl
Unifying Generic Group Models.
IACR Cryptol. ePrint Arch.
Ueli Maurer, Christopher Portmann, Jiamin Zhu
2019 — conf
Composable and Finite Computational Security of Quantum Message Transmission.
TCC (1)
Fabio Banfi, Ueli Maurer, Christopher Portmann, Jiamin Zhu
2019 J jnl
Composable and Finite Computational Security of Quantum Message Transmission.
CoRR
Fabio Banfi, Ueli Maurer, Christopher Portmann, Jiamin Zhu
2019 J jnl
Composable and Finite Computational Security of Quantum Message Transmission.
IACR Cryptol. ePrint Arch.
Fabio Banfi, Ueli Maurer, Christopher Portmann, Jiamin Zhu
2018 J jnl
Toward an algebraic theory of systems.
Theor. Comput. Sci.
Christian Matt, Ueli Maurer, Christopher Portmann, Renato Renner, Björn Tackmann
2017 J jnl
(Quantum) Min-Entropy Resources.
CoRR
Christopher Portmann
2017 J jnl
Causal Boxes: Quantum Information-Processing Systems Closed Under Composition.
IEEE Trans. Inf. Theory
Christopher Portmann, Christian Matt, Ueli Maurer, Renato Renner, Björn Tackmann
2017 J jnl
Composable security in relativistic quantum cryptography.
CoRR
V. Vilasini, Christopher Portmann, Lídia del Rio
2017 — conf
Quantum Authentication with Key Recycling.
EUROCRYPT (3)
Christopher Portmann
2017 J jnl
Quantum Authentication with Key Recycling.
IACR Cryptol. ePrint Arch.
Christopher Portmann
2016 J jnl
Quantum authentication with key recycling.
CoRR
Christopher Portmann
2016 — conf
Quantum-Proof Multi-Source Randomness Extractors in the Markov Model.
TQC
Rotem Arnon Friedman, Christopher Portmann, Volkher B. Scholz
2016 J jnl
Toward an Algebraic Theory of Systems.
CoRR
Christian Matt, Ueli Maurer, Christopher Portmann, Renato Renner, Björn Tackmann
2015 J jnl
Causal Boxes: Quantum Information-Processing Systems Closed under Composition.
CoRR
Christopher Portmann, Christian Matt, Ueli Maurer, Renato Renner, Björn Tackmann
2015 J jnl
Quantum-proof multi-source randomness extractors in the Markov model.
CoRR
Rotem Arnon Friedman, Christopher Portmann, Volkher B. Scholz
2014 — conf
Composable Security of Delegated Quantum Computation.
ASIACRYPT (2)
Vedran Dunjko, Joseph F. Fitzsimons, Christopher Portmann, Renato Renner
2014 J jnl
Cryptographic security of quantum key distribution.
CoRR
Christopher Portmann, Renato Renner
2014 J jnl
Key Recycling in Authentication.
IEEE Trans. Inf. Theory
Christopher Portmann
2013 J jnl
Composable security of delegated quantum computation
CoRR
Vedran Dunjko, Joseph F. Fitzsimons, Christopher Portmann, Renato Renner
2012 J jnl
A modular framework for randomness extraction based on Trevisan's construction
CoRR
Wolfgang Mauerer, Christopher Portmann, Volkher B. Scholz
2012 J jnl
Key recycling in authentication
CoRR
Christopher Portmann
2012 J jnl
Key recycling in authentication.
IACR Cryptol. ePrint Arch.
Christopher Portmann
2012 J jnl
Trevisan's Extractor in the Presence of Quantum Side Information.
SIAM J. Comput.
Anindya De, Christopher Portmann, Thomas Vidick, Renato Renner
2011 — conf
Characterization of the Relations between Information-Theoretic Non-malleability, Secrecy, and Authenticity.
ICITS
Akinori Kawachi, Christopher Portmann, Keisuke Tanaka
2011 J jnl
Characterization of the relations between information-theoretic non-malleability, secrecy, and authenticity.
IACR Cryptol. ePrint Arch.
Akinori Kawachi, Christopher Portmann, Keisuke Tanaka
2011 J jnl
Information-Theoretic Secrecy with Access to Decryption Oracles.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Christopher Portmann, Keisuke Tanaka
2009 J jnl
Trevisan's extractor in the presence of quantum side information
CoRR
Anindya De, Christopher Portmann, Thomas Vidick, Renato Renner
2008 C conf
On the Power of Quantum Encryption Keys.
PQCrypto
Akinori Kawachi, Christopher Portmann