Dennis Hofheinz

According to our database, Dennis Hofheinz authored at least 104 papers between 2003 and 2024.

Collaborative distances:

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

2024

Identity-Based Encryption with (Almost) Tight Security in the Multi-instance, Multi-ciphertext Setting.

Dennis Hofheinz, Jessica Koch, Christoph Striecks

J. Cryptol., June, 2024

Compact Selective Opening Security from LWE.

Dennis Hofheinz, Kristina Hostáková, Julia Kastner, Karen Klein, Akin Ünal

Proceedings of the Public-Key Cryptography - PKC 2024, 2024

2023

Compact Structure-Preserving Signatures with Almost Tight Security.

Masayuki Abe, Dennis Hofheinz, Ryo Nishimaki, Miyako Ohkubo, Jiaxin Pan

J. Cryptol., October, 2023

Decoding LTFs in the Generic Group Model.

Dennis Hofheinz, Julia Kastner, Akin Ünal, Bogdan Ursu

IACR Cryptol. ePrint Arch., 2023

The Power of Undirected Rewindings for Adaptive Security.

Dennis Hofheinz, Julia Kastner, Karen Klein

IACR Cryptol. ePrint Arch., 2023

Compact Lossy Trapdoor Functions and Selective Opening Security From LWE.

Dennis Hofheinz, Kristina Hostáková, Julia Kastner, Karen Klein, Akin Ünal

IACR Cryptol. ePrint Arch., 2023

Almost Tightly-Secure Re-Randomizable and Replayable CCA-secure Public Key Encryption.

Antonio Faonio, Dennis Hofheinz, Luigi Russo

IACR Cryptol. ePrint Arch., 2023

Deniable Authentication when Signing Keys Leak.

Suvradip Chakraborty, Dennis Hofheinz, Ueli Maurer, Guilherme Rito

IACR Cryptol. ePrint Arch., 2023

2022

On Structure-Preserving Cryptography and Lattices.

Dennis Hofheinz, Kristina Hostáková, Roman Langrehr, Bogdan Ursu

IACR Cryptol. ePrint Arch., 2022

The Price of Verifiability: Lower Bounds for Verifiable Random Functions.

Nicholas Brandt, Dennis Hofheinz, Julia Kastner, Akin Ünal

IACR Cryptol. ePrint Arch., 2022

Scalable Cryptography.

Dennis Hofheinz, Eike Kiltz

Proceedings of the Algorithms for Big Data - DFG Priority Program 1736, 2022

2021

Onion Routing with Replies.

Christiane Kuhn, Dennis Hofheinz, Andy Rupp, Thorsten Strufe

IACR Cryptol. ePrint Arch., 2021

Towards Tight Adaptive Security of Non-Interactive Key Exchange.

Julia Hesse, Dennis Hofheinz, Lisa Kohl, Roman Langrehr

IACR Cryptol. ePrint Arch., 2021

On the Impossibility of Short Algebraic Signatures.

Nico Döttling, Dominik Hartmann, Dennis Hofheinz, Eike Kiltz, Sven Schäge, Bogdan Ursu

IACR Cryptol. ePrint Arch., 2021

On the Impossibility of Purely Algebraic Signatures.

Nico Döttling, Dominik Hartmann, Dennis Hofheinz, Eike Kiltz, Sven Schäge, Bogdan Ursu

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

2020

Multilinear Maps from Obfuscation.

Martin R. Albrecht, Pooya Farshim, Shuai Han, Dennis Hofheinz, Enrique Larraia, Kenneth G. Paterson

J. Cryptol., 2020

On Instantiating the Algebraic Group Model from Falsifiable Assumptions.

Thomas Agrikola, Dennis Hofheinz, Julia Kastner

IACR Cryptol. ePrint Arch., 2020

2019

Dual-Mode NIZKs from Obfuscation.

Dennis Hofheinz, Bogdan Ursu

IACR Cryptol. ePrint Arch., 2019

Designated-verifier pseudorandom generators, and their applications.

Geoffroy Couteau, Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2019

2018

On the (Im-)Possibility of Extending Coin Toss.

Dennis Hofheinz, Jörn Müller-Quade, Dominique Unruh

J. Cryptol., 2018

On Tightly Secure Primitives in the Multi-Instance Setting.

Dennis Hofheinz, Ngoc Khanh Nguyen

IACR Cryptol. ePrint Arch., 2018

Identity-based Encryption Tightly Secure under Chosen-ciphertext Attacks.

Dennis Hofheinz, Dingding Jia, Jiaxin Pan

IACR Cryptol. ePrint Arch., 2018

On Tightly Secure Non-Interactive Key Exchange.

Julia Hesse, Dennis Hofheinz, Lisa Kohl

IACR Cryptol. ePrint Arch., 2018

More Efficient (Almost) Tightly Secure Structure-Preserving Signatures.

Romain Gay, Dennis Hofheinz, Lisa Kohl, Jiaxin Pan

IACR Cryptol. ePrint Arch., 2018

Graded Encoding Schemes from Obfuscation.

Pooya Farshim, Julia Hesse, Dennis Hofheinz, Enrique Larraia

IACR Cryptol. ePrint Arch., 2018

Interactively Secure Groups from Obfuscation.

Thomas Agrikola, Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2018

The Usefulness of Sparsifiable Inputs: How to Avoid Subexponential iO.

Thomas Agrikola, Geoffroy Couteau, Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2018

2017

A Modular Analysis of the Fujisaki-Okamoto Transformation.

Dennis Hofheinz, Kathrin Hövelmanns, Eike Kiltz

IACR Cryptol. ePrint Arch., 2017

Kurosawa-Desmedt Meets Tight Security.

Romain Gay, Dennis Hofheinz, Lisa Kohl

IACR Cryptol. ePrint Arch., 2017

2016

Public-Key Encryption with Simulation-Based Selective-Opening Security and Compact Ciphertexts.

Dennis Hofheinz, Tibor Jager, Andy Rupp

IACR Cryptol. ePrint Arch., 2016

Adaptive partitioning.

Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2016

Tightly Secure CCA-Secure Encryption without Pairings.

Romain Gay, Dennis Hofheinz, Eike Kiltz, Hoeteck Wee

IACR Cryptol. ePrint Arch., 2016

Tightly secure signatures and public-key encryption.

Dennis Hofheinz, Tibor Jager

Des. Codes Cryptogr., 2016

Tightly CCA-Secure Encryption Without Pairings.

Romain Gay, Dennis Hofheinz, Eike Kiltz, Hoeteck Wee

Proceedings of the Advances in Cryptology - EUROCRYPT 2016, 2016

How to Generate and Use Universal Samplers.

Dennis Hofheinz, Tibor Jager, Dakshita Khurana, Amit Sahai, Brent Waters, Mark Zhandry

Proceedings of the Advances in Cryptology - ASIACRYPT 2016, 2016

2015

GNUC: A New Universal Composability Framework.

Dennis Hofheinz, Victor Shoup

J. Cryptol., 2015

Confined Guessing: New Signatures From Standard Assumptions.

Florian Böhl, Dennis Hofheinz, Tibor Jager, Jessica Koch, Christoph Striecks

J. Cryptol., 2015

Subtleties in the Definition of IND-CCA: When and How Should Challenge Decryption Be Disallowed?

Mihir Bellare, Dennis Hofheinz, Eike Kiltz

J. Cryptol., 2015

Standard Security Does Not Imply Indistinguishability Under Selective Opening.

Dennis Hofheinz, Vanishree Rao, Daniel Wichs

IACR Cryptol. ePrint Arch., 2015

Verifiable Random Functions from Standard Assumptions.

Dennis Hofheinz, Tibor Jager

IACR Cryptol. ePrint Arch., 2015

Algebraic partitioning: Fully compact and (almost) tightly secure cryptography.

Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2015

Idealizing Identity-Based Encryption.

Dennis Hofheinz, Christian Matt, Ueli Maurer

IACR Cryptol. ePrint Arch., 2015

Reconfigurable Cryptography: A flexible approach to long-term security.

Julia Hesse, Dennis Hofheinz, Andy Rupp

IACR Cryptol. ePrint Arch., 2015

Multilinear Maps from Obfuscation.

Martin R. Albrecht, Pooya Farshim, Dennis Hofheinz, Enrique Larraia, Kenneth G. Paterson

IACR Cryptol. ePrint Arch., 2015

2014

Adaptively Secure Constrained Pseudorandom Functions.

Dennis Hofheinz, Akshay Kamath, Venkata Koppula, Brent Waters

IACR Cryptol. ePrint Arch., 2014

Fully secure constrained pseudorandom functions using random oracles.

Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2014

Polynomial Spaces: A New Framework for Composite-to-Prime-Order Transformations.

Gottfried Herold, Julia Hesse, Dennis Hofheinz, Carla Ràfols, Andy Rupp

IACR Cryptol. ePrint Arch., 2014

Universally Composable Non-Interactive Key Exchange.

Eduarda S. V. Freire, Julia Hesse, Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2014

Tightly-Secure Authenticated Key Exchange.

Christoph Bader, Dennis Hofheinz, Tibor Jager, Eike Kiltz, Yong Li

IACR Cryptol. ePrint Arch., 2014

Standard versus Selective Opening Security: Separation and Equivalence Results.

Dennis Hofheinz, Andy Rupp

Proceedings of the Theory of Cryptography - 11th Theory of Cryptography Conference, 2014

Encryption Schemes Secure under Related-Key and Key-Dependent Message Attacks.

Florian Böhl, Gareth T. Davies, Dennis Hofheinz

Proceedings of the Public-Key Cryptography - PKC 2014, 2014

2013

Polynomial Runtime and Composability.

Dennis Hofheinz, Dominique Unruh, Jörn Müller-Quade

J. Cryptol., 2013

Practical Chosen Ciphertext Secure Encryption from Factoring.

Dennis Hofheinz, Eike Kiltz, Victor Shoup

J. Cryptol., 2013

A generic view on trace-and-revoke broadcast encryption schemes.

Dennis Hofheinz, Christoph Striecks

IACR Cryptol. ePrint Arch., 2013

Programmable Hash Functions in the Multilinear Setting.

Eduarda S. V. Freire, Dennis Hofheinz, Kenneth G. Paterson, Christoph Striecks

IACR Cryptol. ePrint Arch., 2013

RKA-KDM secure encryption from public-key encryption.

Florian Böhl, Gareth T. Davies, Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2013

Practical Signatures from Standard Assumptions.

Florian Böhl, Dennis Hofheinz, Tibor Jager, Jessica Koch, Jae Hong Seo, Christoph Striecks

Proceedings of the Advances in Cryptology, 2013

2012

Programmable Hash Functions and Their Applications.

Dennis Hofheinz, Eike Kiltz

J. Cryptol., 2012

Bonsai Trees, or How to Delegate a Lattice Basis.

David Cash, Dennis Hofheinz, Eike Kiltz, Chris Peikert

J. Cryptol., 2012

Circular chosen-ciphertext security with compact ciphertexts.

Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2012

Non-Interactive Key Exchange.

Eduarda S. V. Freire, Dennis Hofheinz, Eike Kiltz, Kenneth G. Paterson

IACR Cryptol. ePrint Arch., 2012

Waters Signatures with Optimal Security Reduction.

Dennis Hofheinz, Tibor Jager, Edward Knapp

Proceedings of the Public Key Cryptography - PKC 2012, 2012

2011

Possibility and Impossibility Results for Selective Decommitments.

Dennis Hofheinz

J. Cryptol., 2011

Software Security in Virtualized Infrastructures - The Smart Meter Example.

Bernhard Beckert, Dennis Hofheinz, Jörn Müller-Quade, Alexander Pretschner, Gregor Snelting

it Inf. Technol., 2011

Short Signatures From Weaker Assumptions.

Dennis Hofheinz, Tibor Jager, Eike Kiltz

IACR Cryptol. ePrint Arch., 2011

Waters Signatures with Optimal Security Reduction.

Dennis Hofheinz, Tibor Jager

IACR Cryptol. ePrint Arch., 2011

All-But-Many Lossy Trapdoor Functions.

Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2011

On definitions of selective opening security.

Florian Böhl, Dennis Hofheinz, Daniel Kraschewski

IACR Cryptol. ePrint Arch., 2011

2010

Obfuscation for Cryptographic Purposes.

Dennis Hofheinz, John Malone-Lee, Martijn Stam

J. Cryptol., 2010

A Twist on the Naor-Yung Paradigm and Its Application to Efficient CCA-Secure Encryption from Hard Search Problems.

Ronald Cramer, Dennis Hofheinz, Eike Kiltz

Proceedings of the Theory of Cryptography, 7th Theory of Cryptography Conference, 2010

The what, why, and how of provably secure encryption.

Dennis Hofheinz

Proceedings of the Emerging Research Directions in Computer Science, Karlsruhe, Germany, July 26-27, 2010. Proceedings, 2010

Encryption Schemes Secure against Chosen-Ciphertext Selective Opening Attacks.

Serge Fehr, Dennis Hofheinz, Eike Kiltz, Hoeteck Wee

Proceedings of the Advances in Cryptology - EUROCRYPT 2010, 29th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Monaco / French Riviera, May 30, 2010

2009

Polynomial runtime in simulatability definitions.

Dennis Hofheinz, Jörn Müller-Quade, Dominique Unruh

J. Comput. Secur., 2009

The Kurosawa-Desmedt key encapsulation is not chosen-ciphertext secure.

Seung Geol Choi, Javier Herranz, Dennis Hofheinz, Jung Yeon Hwang, Eike Kiltz, Dong Hoon Lee, Moti Yung

Inf. Process. Lett., 2009

Chosen-ciphertext Secure Encryption from Hard Algebraic Set Systems.

Ronald Cramer, Dennis Hofheinz, Eike Kiltz

IACR Cryptol. ePrint Arch., 2009

How to Delegate a Lattice Basis.

David Cash, Dennis Hofheinz, Eike Kiltz

IACR Cryptol. ePrint Arch., 2009

Bounded Key-Dependent Message Security.

Boaz Barak, Iftach Haitner, Dennis Hofheinz, Yuval Ishai

IACR Cryptol. ePrint Arch., 2009

CoSP: A General Framework For Computational Soundness Proofs.

Michael Backes, Dennis Hofheinz, Dominique Unruh

IACR Cryptol. ePrint Arch., 2009

Practical Chosen Ciphertext Secure Encryption from Factoring.

Dennis Hofheinz, Eike Kiltz

Proceedings of the Advances in Cryptology, 2009

Possibility and Impossibility Results for Encryption and Commitment Secure under Selective Opening.

Mihir Bellare, Dennis Hofheinz, Scott Yilek

Proceedings of the Advances in Cryptology, 2009

The Group of Signed Quadratic Residues and Applications.

Dennis Hofheinz, Eike Kiltz

Proceedings of the Advances in Cryptology, 2009

2008

Searchable encryption with decryption in the standard model.

Dennis Hofheinz, Enav Weinreb

IACR Cryptol. ePrint Arch., 2008

Public-Key Encryption with Non-interactive Opening.

Ivan Damgård, Dennis Hofheinz, Eike Kiltz, Rune Thorbek

Proceedings of the Topics in Cryptology, 2008

2007

Towards Key-Dependent Message Security in the Standard Model.

Dennis Hofheinz, Dominique Unruh

IACR Cryptol. ePrint Arch., 2007

Secure Hybrid Encryption from Weakened Key Encapsulation.

Dennis Hofheinz, Eike Kiltz

IACR Cryptol. ePrint Arch., 2007

Bounded CCA2-Secure Encryption.

Ronald Cramer, Goichiro Hanaoka, Dennis Hofheinz, Hideki Imai, Eike Kiltz, Rafael Pass, Abhi Shelat, Vinod Vaikuntanathan

Proceedings of the Advances in Cryptology, 2007

2006

Simulatable Security and Polynomially Bounded Concurrent Composition.

Dennis Hofheinz, Dominique Unruh

IACR Cryptol. ePrint Arch., 2006

Some (in)sufficient conditions for secure hybrid encryption.

Javier Herranz, Dennis Hofheinz, Eike Kiltz

IACR Cryptol. ePrint Arch., 2006

The Kurosawa-Desmedt Key Encapsulation is not Chosen-Ciphertext Secure.

Javier Herranz, Dennis Hofheinz, Eike Kiltz

IACR Cryptol. ePrint Arch., 2006

A Note on Bounded Chosen Ciphertext Security from Black-box Semantical Security.

Ronald Cramer, Dennis Hofheinz, Eike Kiltz

IACR Cryptol. ePrint Arch., 2006

Conditional Reactive Simulatability.

Michael Backes, Markus Dürmuth, Dennis Hofheinz, Ralf Küsters

IACR Cryptol. ePrint Arch., 2006

Simulatable Security and Polynomially Bounded Concurrent Composability.

Dennis Hofheinz, Dominique Unruh

Proceedings of the 2006 IEEE Symposium on Security and Privacy (S&P 2006), 2006

2005

Zur Analyse und Struktur von Sicherheitsbegriffen.

Dennis Hofheinz

PhD thesis, 2005

On the Notion of Statistical Security in Simulatability Definitions.

Dennis Hofheinz, Dominique Unruh

IACR Cryptol. ePrint Arch., 2005

A Practical Attack on the Root Problem in Braid Groups.

Anja Groch, Dennis Hofheinz, Rainer Steinwandt

IACR Cryptol. ePrint Arch., 2005

On Fairness in Simulatability-based Cryptographic Systems.

Michael Backes, Dennis Hofheinz, Jörn Müller-Quade, Dominique Unruh

IACR Cryptol. ePrint Arch., 2005

Comparing Two Notions of Simulatability.

Dennis Hofheinz, Dominique Unruh

Proceedings of the Theory of Cryptography, Second Theory of Cryptography Conference, 2005

2004

A Synchronous Model for Multi-Party Computation and the Incompleteness of Oblivious Transfer.

Dennis Hofheinz, Jörn Müller-Quade

IACR Cryptol. ePrint Arch., 2004

On the Security of Two Public Key Cryptosystems Using Non-Abelian Groups.

María Isabel González Vasco, Dennis Hofheinz, Consuelo Martínez, Rainer Steinwandt

Des. Codes Cryptogr., 2004

Universally Composable Commitments Using Random Oracles.

Dennis Hofheinz, Jörn Müller-Quade

Proceedings of the Theory of Cryptography, First Theory of Cryptography Conference, 2004

2003

Initiator-Resilient Universally Composable Key Exchange.

Dennis Hofheinz, Jörn Müller-Quade, Rainer Steinwandt

IACR Cryptol. ePrint Arch., 2003

On Modeling IND-CCA Security in Cryptographic Protocols.

Dennis Hofheinz, Jörn Müller-Quade, Rainer Steinwandt

IACR Cryptol. ePrint Arch., 2003

How to Break and Repair a Universally Composable Signature Functionality.

Michael Backes, Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2003

A Practical Attack on Some Braid Group Based Cryptographic Primitives.

Dennis Hofheinz, Rainer Steinwandt

Proceedings of the Public Key Cryptography, 2003