Dennis Hofheinz

According to our database, Dennis Hofheinz authored at least 109 papers between 2003 and 2025.

Collaborative distances:

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

2025

Forgetful Encryption.

Suvradip Chakraborty, Sebastian H. Faller, Dennis Hofheinz, Kristina Hostáková

IACR Cryptol. ePrint Arch., 2025

Non-interactive Key Exchange: New Notions, New Constructions, and Forward Security.

Suvradip Chakraborty, Dennis Hofheinz, Roman Langrehr

Proceedings of the Public-Key Cryptography - PKC 2025, 2025

Securely Instantiating 'Half Gates' Garbling in the Standard Model.

Anasuya Acharya, Karen Azari, Mirza Ahad Baig, Dennis Hofheinz, Chethan Kamath

Proceedings of the Public-Key Cryptography - PKC 2025, 2025

Malleable SNARKs and Their Applications.

Suvradip Chakraborty, Dennis Hofheinz, Roman Langrehr, Jesper Buus Nielsen, Christoph Striecks, Daniele Venturi

Proceedings of the Advances in Cryptology - EUROCRYPT 2025, 2025

2024

Tightly-Secure Blind Signatures in Pairing-Free Groups.

Nicholas Brandt, Dennis Hofheinz, Michael Klooß, Michael Reichle

IACR Cryptol. ePrint Arch., 2024

On Structure-Preserving Cryptography and Lattices.

Dennis Hofheinz, Kristina Hostáková, Roman Langrehr, Bogdan Ursu

Proceedings of the Public-Key Cryptography - PKC 2024, 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

Decoding LTFs in the Generic Group Model.

Dennis Hofheinz, Julia Kastner, Akin Ünal, Bogdan Ursu

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

Proceedings of the Public-Key Cryptography - PKC 2023, 2023

Deniable Authentication When Signing Keys Leak.

Suvradip Chakraborty, Dennis Hofheinz, Ueli Maurer, Guilherme Rito

Proceedings of the Advances in Cryptology - EUROCRYPT 2023, 2023

The Power of Undirected Rewindings for Adaptive Security.

Dennis Hofheinz, Julia Kastner, Karen Klein

Proceedings of the Advances in Cryptology - CRYPTO 2023, 2023

2022

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

Nicholas Brandt, Dennis Hofheinz, Julia Kastner, Akin Ünal

Proceedings of the Theory of Cryptography - 20th International Conference, 2022

Scalable Cryptography.

Dennis Hofheinz, Eike Kiltz

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

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

Towards Tight Adaptive Security of Non-interactive Key Exchange.

Julia Hesse, Dennis Hofheinz, Lisa Kohl, Roman Langrehr

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

Onion Routing with Replies.

Christiane Kuhn, Dennis Hofheinz, Andy Rupp, Thorsten Strufe

Proceedings of the Advances in Cryptology - ASIACRYPT 2021, 2021

2020

Multilinear Maps from Obfuscation.

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

J. Cryptol., 2020

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

Thomas Agrikola, Geoffroy Couteau, Dennis Hofheinz

Proceedings of the Public-Key Cryptography - PKC 2020, 2020

On Instantiating the Algebraic Group Model from Falsifiable Assumptions.

Thomas Agrikola, Dennis Hofheinz, Julia Kastner

Proceedings of the Advances in Cryptology - EUROCRYPT 2020, 2020

2019

On Tightly Secure Primitives in the Multi-instance Setting.

Dennis Hofheinz, Ngoc Khanh Nguyen

Proceedings of the Public-Key Cryptography - PKC 2019, 2019

Adaptively Secure Constrained Pseudorandom Functions.

Dennis Hofheinz, Akshay Kamath, Venkata Koppula, Brent Waters

Proceedings of the Financial Cryptography and Data Security, 2019

Designated-Verifier Pseudorandom Generators, and Their Applications.

Geoffroy Couteau, Dennis Hofheinz

Proceedings of the Advances in Cryptology - EUROCRYPT 2019, 2019

Dual-Mode NIZKs from Obfuscation.

Dennis Hofheinz, Bogdan Ursu

Proceedings of the Advances in Cryptology - ASIACRYPT 2019, 2019

2018

Graded Encoding Schemes from Obfuscation.

Pooya Farshim, Julia Hesse, Dennis Hofheinz, Enrique Larraia

Proceedings of the Public-Key Cryptography - PKC 2018, 2018

Interactively Secure Groups from Obfuscation.

Thomas Agrikola, Dennis Hofheinz

Proceedings of the Public-Key Cryptography - PKC 2018, 2018

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

Romain Gay, Dennis Hofheinz, Lisa Kohl, Jiaxin Pan

Proceedings of the Advances in Cryptology - EUROCRYPT 2018 - 37th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Tel Aviv, Israel, April 29, 2018

On Tightly Secure Non-Interactive Key Exchange.

Julia Hesse, Dennis Hofheinz, Lisa Kohl

Proceedings of the Advances in Cryptology - CRYPTO 2018, 2018

Identity-Based Encryption Tightly Secure Under Chosen-Ciphertext Attacks.

Dennis Hofheinz, Dingding Jia, Jiaxin Pan

Proceedings of the Advances in Cryptology - ASIACRYPT 2018, 2018

2017

A Modular Analysis of the Fujisaki-Okamoto Transformation.

Dennis Hofheinz, Kathrin Hövelmanns, Eike Kiltz

Proceedings of the Theory of Cryptography - 15th International Conference, 2017

Adaptive Partitioning.

Dennis Hofheinz

Proceedings of the Advances in Cryptology - EUROCRYPT 2017 - 36th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Paris, France, April 30, 2017

Kurosawa-Desmedt Meets Tight Security.

Romain Gay, Dennis Hofheinz, Lisa Kohl

Proceedings of the Advances in Cryptology - CRYPTO 2017, 2017

Compact Structure-Preserving Signatures with Almost Tight Security.

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

Proceedings of the Advances in Cryptology - CRYPTO 2017, 2017

2016

Tightly Secure CCA-Secure Encryption without Pairings.

Romain Gay, Dennis Hofheinz, Eike Kiltz, Hoeteck Wee

IACR Cryptol. ePrint Arch., 2016

Standard Security Does Not Imply Indistinguishability Under Selective Opening.

Dennis Hofheinz, Vanishree Rao, Daniel Wichs

Proceedings of the Theory of Cryptography - 14th International Conference, 2016

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

Dennis Hofheinz, Tibor Jager, Andy Rupp

Proceedings of the Theory of Cryptography - 14th International Conference, 2016

Verifiable Random Functions from Standard Assumptions.

Dennis Hofheinz, Tibor Jager

Proceedings of the Theory of Cryptography - 13th International Conference, 2016

Algebraic Partitioning: Fully Compact and (almost) Tightly Secure Cryptography.

Dennis Hofheinz

Proceedings of the Theory of Cryptography - 13th International Conference, 2016

Reconfigurable Cryptography: A Flexible Approach to Long-Term Security.

Julia Hesse, Dennis Hofheinz, Andy Rupp

Proceedings of the Theory of Cryptography - 13th International Conference, 2016

Multilinear Maps from Obfuscation.

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

Proceedings of the Theory of Cryptography - 13th International Conference, 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

Tightly-Secure Authenticated Key Exchange.

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

Proceedings of the Theory of Cryptography - 12th Theory of Cryptography Conference, 2015

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

Dennis Hofheinz, Jessica Koch, Christoph Striecks

Proceedings of the Public-Key Cryptography - PKC 2015 - 18th IACR International Conference on Practice and Theory in Public-Key Cryptography, Gaithersburg, MD, USA, March 30, 2015

Idealizing Identity-Based Encryption.

Dennis Hofheinz, Christian Matt, Ueli Maurer

Proceedings of the Advances in Cryptology - ASIACRYPT 2015 - 21st International Conference on the Theory and Application of Cryptology and Information Security, Auckland, New Zealand, November 29, 2015

2014

Fully secure constrained pseudorandom functions using random oracles.

Dennis Hofheinz

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

Universally Composable Non-Interactive Key Exchange.

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

Proceedings of the Security and Cryptography for Networks - 9th International 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

A Generic View on Trace-and-Revoke Broadcast Encryption Schemes.

Dennis Hofheinz, Christoph Striecks

Proceedings of the Topics in Cryptology - CT-RSA 2014, 2014

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

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

Proceedings of the Advances in Cryptology - CRYPTO 2014, 2014

2013

Practical Chosen Ciphertext Secure Encryption from Factoring.

Dennis Hofheinz, Eike Kiltz, Victor Shoup

J. Cryptol., 2013

Confined Guessing: New Signatures From Standard Assumptions.

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

Non-Interactive Key Exchange.

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

Proceedings of the Public-Key Cryptography - PKC 2013 - 16th International Conference on Practice and Theory in Public-Key Cryptography, Nara, Japan, February 26, 2013

Circular Chosen-Ciphertext Security with Compact Ciphertexts.

Dennis Hofheinz

Proceedings of the Advances in Cryptology, 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

Programmable Hash Functions in the Multilinear Setting.

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

Proceedings of the Advances in Cryptology - CRYPTO 2013, 2013

2012

Waters Signatures with Optimal Security Reduction.

Dennis Hofheinz, Tibor Jager, Edward Knapp

Proceedings of the Public Key Cryptography - PKC 2012, 2012

On Definitions of Selective Opening Security.

Florian Böhl, Dennis Hofheinz, Daniel Kraschewski

Proceedings of the Public Key Cryptography - PKC 2012, 2012

All-But-Many Lossy Trapdoor Functions.

Dennis Hofheinz

Proceedings of the Advances in Cryptology - EUROCRYPT 2012, 2012

Tightly Secure Signatures and Public-Key Encryption.

Dennis Hofheinz, Tibor Jager

Proceedings of the Advances in Cryptology - CRYPTO 2012, 2012

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

GNUC: A New Universal Composability Framework.

Dennis Hofheinz, Victor Shoup

IACR Cryptol. ePrint Arch., 2011

Waters Signatures with Optimal Security Reduction.

Dennis Hofheinz, Tibor Jager

IACR Cryptol. ePrint Arch., 2011

Short Signatures from Weaker Assumptions.

Dennis Hofheinz, Tibor Jager, Eike Kiltz

Proceedings of the Advances in Cryptology - ASIACRYPT 2011, 2011

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

Bonsai Trees, or How to Delegate a Lattice Basis.

David Cash, Dennis Hofheinz, Eike Kiltz, Chris Peikert

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

Bounded Key-Dependent Message Security.

Boaz Barak, Iftach Haitner, Dennis Hofheinz, Yuval Ishai

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

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

Polynomial Runtime and Composability.

Dennis Hofheinz, Dominique Unruh, Jörn Müller-Quade

IACR Cryptol. ePrint Arch., 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

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

Mihir Bellare, Dennis Hofheinz, Eike Kiltz

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

CoSP: a general framework for computational soundness proofs.

Michael Backes, Dennis Hofheinz, Dominique Unruh

Proceedings of the 2009 ACM Conference on Computer and Communications Security, 2009

2008

Searchable encryption with decryption in the standard model.

Dennis Hofheinz, Enav Weinreb

IACR Cryptol. ePrint Arch., 2008

Possibility and impossibility results for selective decommitments.

Dennis Hofheinz

IACR Cryptol. ePrint Arch., 2008

Towards Key-Dependent Message Security in the Standard Model.

Dennis Hofheinz, Dominique Unruh

Proceedings of the Advances in Cryptology, 2008

Public-Key Encryption with Non-interactive Opening.

Ivan Damgård, Dennis Hofheinz, Eike Kiltz, Rune Thorbek

Proceedings of the Topics in Cryptology, 2008

Programmable Hash Functions and Their Applications.

Dennis Hofheinz, Eike Kiltz

Proceedings of the Advances in Cryptology, 2008

2007

Obfuscation for Cryptographic Purposes.

Dennis Hofheinz, John Malone-Lee, Martijn Stam

Proceedings of the Theory of Cryptography, 4th Theory of Cryptography Conference, 2007

Secure Hybrid Encryption from Weakened Key Encapsulation.

Dennis Hofheinz, Eike Kiltz

Proceedings of the Advances in Cryptology, 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

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

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

Dennis Hofheinz, Jörn Müller-Quade, Dominique Unruh

Proceedings of the Advances in Cryptology - EUROCRYPT 2006, 25th Annual International Conference on the Theory and Applications of Cryptographic Techniques, St. Petersburg, Russia, May 28, 2006

Conditional Reactive Simulatability.

Michael Backes, Markus Dürmuth, Dennis Hofheinz, Ralf Küsters

Proceedings of the Computer Security, 2006

2005

Zur Analyse und Struktur von Sicherheitsbegriffen.

Dennis Hofheinz

PhD thesis, 2005

A Practical Attack on the Root Problem in Braid Groups.

Anja Groch, Dennis Hofheinz, Rainer Steinwandt

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

On the Notion of Statistical Security in Simulatability Definitions.

Dennis Hofheinz, Dominique Unruh

Proceedings of the Information Security, 8th International Conference, 2005

Polynomial Runtime in Simulatability Definitions.

Dennis Hofheinz, Jörn Müller-Quade, Dominique Unruh

Proceedings of the 18th IEEE Computer Security Foundations Workshop, 2005

On fairness in simulatability-based cryptographic systems.

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

Proceedings of the 2005 ACM workshop on Formal methods in security engineering, 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

How to Break and Repair a Universally Composable Signature Functionality.

Michael Backes, Dennis Hofheinz

Proceedings of the Information Security, 7th International Conference, 2004

2003

On Modeling IND-CCA Security in Cryptographic Protocols.

Dennis Hofheinz, Jörn Müller-Quade, Rainer Steinwandt

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

Initiator-Resilient Universally Composable Key Exchange.

Dennis Hofheinz, Jörn Müller-Quade, Rainer Steinwandt

Proceedings of the Computer Security, 2003