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Alexander Koch

Orcid: 0000-0002-3510-9669

Affiliations:
  • Université Paris Cité, Institut de Recherche en Informatique Fondamentale (IRIF), France
  • Karlsruhe Institute of Technology (KIT), Institute of Theoretical Informatics, Germany (former)


According to our database1, Alexander Koch authored at least 19 papers between 2013 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

Legend:

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Links

Online presence:

On csauthors.net:

Bibliography

2024
Two-Party Decision Tree Training from Updatable Order-Revealing Encryption.
[BibTeX]
[DOI]
Robin Berger
,
Felix Dörre
,
Alexander Koch
IACR Cryptol. ePrint Arch., 2024

2023
Check Alternating Patterns: A Physical Zero-Knowledge Proof for Moon-or-Sun.
[BibTeX]
[DOI]
Samuel Hand
,
Alexander Koch
,
Pascal Lafourcade
,
Daiki Miyahara
,
Léo Robert
IACR Cryptol. ePrint Arch., 2023

2022
Private Function Evaluation with Cards.
[BibTeX]
[DOI]
Alexander Koch
,
Stefan Walzer
New Gener. Comput., 2022

2021
Private Stream Aggregation with Labels in the Standard Model.
[BibTeX]
[DOI]
Johannes Ernst
,
Alexander Koch
Proc. Priv. Enhancing Technol., 2021

Fortified Multi-Party Computation: Taking Advantage of Simple Secure Hardware Modules.
[BibTeX]
[DOI]
Brandon Broadnax
,
Alexander Koch
,
Jeremias Mechler
,
Tobias Müller
,
Jörn Müller-Quade
,
Matthias Nagel
Proc. Priv. Enhancing Technol., 2021

Card-Based Cryptography Meets Formal Verification.
[BibTeX]
[DOI]
Alexander Koch
,
Michael Schrempp
,
Michael Kirsten
New Gener. Comput., 2021

Black-Box Accumulation Based on Lattices.
[BibTeX]
[DOI]
Sebastian H. Faller
,
Pascal Baumer
,
Michael Klooß
,
Alexander Koch
,
Astrid Ottenhues
,
Markus Raiber
IACR Cryptol. ePrint Arch., 2021

The Landscape of Security from Physical Assumptions<sup>1</sup>.
[BibTeX]
[DOI]
Alexander Koch
Proceedings of the IEEE Information Theory Workshop, 2021

2020
ConTra Corona: Contact Tracing against the Coronavirus by Bridging the Centralized - Decentralized Divide for Stronger Privacy.
[BibTeX]
[DOI]
Wasilij Beskorovajnov
,
Felix Dörre
,
Gunnar Hartung
,
Alexander Koch
,
Jörn Müller-Quade
,
Thorsten Strufe
IACR Cryptol. ePrint Arch., 2020

2019
Cryptographic Protocols from Physical Assumptions.
[BibTeX]
[DOI]
Alexander Koch
PhD thesis, 2019

Your Money or Your Life - Modeling and Analyzing the Security of Electronic Payment in the UC Framework.
[BibTeX]
[DOI]
Dirk Achenbach
,
Roland Gröll
,
Timon Hackenjos
,
Alexander Koch
,
Bernhard Löwe
,
Jeremias Mechler
,
Jörn Müller-Quade
,
Jochen Rill
IACR Cryptol. ePrint Arch., 2019

2018
The Landscape of Optimal Card-based Protocols.
[BibTeX]
[DOI]
Alexander Koch
IACR Cryptol. ePrint Arch., 2018

Fortified Universal Composability: Taking Advantage of Simple Secure Hardware Modules.
[BibTeX]
[DOI]
Brandon Broadnax
,
Alexander Koch
,
Jeremias Mechler
,
Tobias Müller
,
Jörn Müller-Quade
,
Matthias Nagel
IACR Cryptol. ePrint Arch., 2018

2017
The Minimum Number of Cards in Practical Card-based Protocols.
[BibTeX]
[DOI]
Julia Kastner
,
Alexander Koch
,
Stefan Walzer
,
Daiki Miyahara
,
Yu-ichi Hayashi
,
Takaaki Mizuki
,
Hideaki Sone
IACR Cryptol. ePrint Arch., 2017

Practical and Robust Secure Logging from Fault-Tolerant Sequential Aggregate Signatures.
[BibTeX]
[DOI]
Gunnar Hartung
,
Björn Kaidel
,
Alexander Koch
,
Jessica Koch
,
Dominik Hartmann
IACR Cryptol. ePrint Arch., 2017

Foundations for Actively Secure Card-based Cryptography.
[BibTeX]
[DOI]
Alexander Koch
,
Stefan Walzer
IACR Cryptol. ePrint Arch., 2017

2016
Fault-Tolerant Aggregate Signatures.
[BibTeX]
[DOI]
Gunnar Hartung
,
Björn Kaidel
,
Alexander Koch
,
Jessica Koch
,
Andy Rupp
IACR Cryptol. ePrint Arch., 2016

2015
Card-based Cryptographic Protocols Using a Minimal Number of Cards.
[BibTeX]
[DOI]
Alexander Koch
,
Stefan Walzer
,
Kevin Härtel
IACR Cryptol. ePrint Arch., 2015

2013
Graphs with Plane Outside-Obstacle Representations.
[BibTeX]
[DOI]
Alexander Koch
,
Marcus Krug
,
Ignaz Rutter
CoRR, 2013


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