Roman Langrehr

According to our database, Roman Langrehr authored at least 12 papers between 2019 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2025

Limits on the Power of Constrained PRFs and Identity-based Cryptography.

Roman Langrehr

IACR Cryptol. ePrint Arch., 2025

Access-Controlled Inner Product Function-Revealing Encryption.

Ojaswi Acharya, Weiqi Feng, Roman Langrehr, Adam O'Neill

IACR Commun. Cryptol., 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

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

On Deniable Authentication Against Malicious Verifiers.

Rune Fiedler, Roman Langrehr

Proceedings of the Advances in Cryptology - CRYPTO 2025, 2025

2024

On the Black-Box Complexity of Private-Key Inner-Product Functional Encryption.

Mohammad Hajiabadi, Roman Langrehr, Adam O'Neill, Mingyuan Wang

Proceedings of the Theory of Cryptography - 22nd International Conference, 2024

On Structure-Preserving Cryptography and Lattices.

Dennis Hofheinz, Kristina Hostáková, Roman Langrehr, Bogdan Ursu

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

2023

On the Multi-user Security of LWE-Based NIKE.

Roman Langrehr

Proceedings of the Theory of Cryptography - 21st International Conference, 2023

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

2020

Hierarchical Identity-Based Encryption with Tight Multi-challenge Security.

Roman Langrehr, Jiaxin Pan

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

Unbounded HIBE with Tight Security.

Roman Langrehr, Jiaxin Pan

Proceedings of the Advances in Cryptology - ASIACRYPT 2020, 2020

2019

Tightly Secure Hierarchical Identity-Based Encryption.

Roman Langrehr, Jiaxin Pan

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