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Research
Cryptography

Cryptography provides the fundamental building blocks such as encryptions and signatures, that are at the basis of any secure and privacy-preserving system.

PEOPLE
Georg Fuchsbauer
Georg Fuchsbauer
Professor (TU Wien) ↗
Krzysztof Pietrzak
Krzysztof Pietrzak
Professor (IST Austria) ↗
PUBLICATIONS

A Classification of Computational Assumptions in the Algebraic Group Model. Balthazar Bauer, Georg Fuchsbauer, Julian Loss (CRYPTO)
A Classification of Computational Assumptions in the Algebraic Group Model. Balthazar Bauer, Georg Fuchsbauer, Julian Loss (eprint)
Blind Schnorr Signatures and Signed ElGamal Encryption in the Algebraic Group Model. Georg Fuchsbauer, Antoine Plouviez, Yannick Seurin (EUROCRYPT)
Delayed Authentication - Preventing Replay and Relay Attacks in Private Contact Tracing. Krzysztof Pietrzak (eprint)
Double-Authentication-Preventing Signatures in the Standard Model. Dario Catalano, Georg Fuchsbauer, Azam Soleimanian (eprint)
Efficient Signatures on Randomizable Ciphertexts. Balthazar Bauer, Georg Fuchsbauer (eprint)
Adaptively Secure Proxy Re-encryption. Georg Fuchsbauer, Chethan Kamath, Karen Klein, Krzysztof Pietrzak (Public Key Cryptography)
Aggregate Cash Systems - A Cryptographic Investigation of Mimblewimble. Georg Fuchsbauer, Michele Orrù, Yannick Seurin (EUROCRYPT)
Anonymous Multi-Hop Locks for Blockchain Scalability and Interoperability. Giulio Malavolta, Pedro Moreno-Sanchez, Clara Schneidewind, Aniket Kate, Matteo Maffei (NDSS)
Blind Schnorr Signatures in the Algebraic Group Model. Georg Fuchsbauer, Antoine Plouviez, Yannick Seurin (eprint)
Finding a Nash Equilibrium Is No Easier Than Breaking Fiat-Shamir. Arka Rai Choudhuri, Pavel Hubácek, Chethan Kamath, Krzysztof Pietrzak, Alon Rosen, Guy N. Rothblum (Electronic Colloquium on Computational Complexity)
Finding a Nash Equilibrium Is No Easier Than Breaking Fiat-Shamir. Arka Rai Choudhuri, Pavel Hubácek, Chethan Kamath, Krzysztof Pietrzak, Alon Rosen, Guy N. Rothblum (eprint)
Finding a Nash equilibrium is no easier than breaking Fiat-Shamir. Arka Rai Choudhuri, Pavel Hubácek, Chethan Kamath, Krzysztof Pietrzak, Alon Rosen, Guy N. Rothblum (STOC)
Group ORAM for privacy and access control in outsourced personal records. Matteo Maffei, Giulio Malavolta, Manuel Reinert, Dominique Schröder (J. Comput. Secur.)
Keep the Dirt - Tainted TreeKEM, an Efficient and Provably Secure Continuous Group Key Agreement Protocol. Joël Alwen, Margarita Capretto, Miguel Cueto, Chethan Kamath, Karen Klein, Guillermo Pascual-Perez, Krzysztof Pietrzak, Michael Walter (eprint)
PPAD-Hardness via Iterated Squaring Modulo a Composite. Arka Rai Choudhuri, Pavel Hubácek, Chethan Kamath, Krzysztof Pietrzak, Alon Rosen, Guy N. Rothblum (eprint)
Proofs of Catalytic Space. Krzysztof Pietrzak (ITCS)
Reversible Proofs of Sequential Work. Hamza Abusalah, Chethan Kamath, Karen Klein, Krzysztof Pietrzak, Michael Walter (EUROCRYPT)
Reversible Proofs of Sequential Work. Hamza Abusalah, Chethan Kamath, Karen Klein, Krzysztof Pietrzak, Michael Walter (eprint)
Security of Symmetric Primitives against Key-Correlated Attacks. Aisling Connolly, Pooya Farshim, Georg Fuchsbauer (IACR Trans. Symmetric Cryptol.)
Security of Symmetric Primitives against Key-Correlated Attacks. Aisling Connolly, Pooya Farshim, Georg Fuchsbauer (eprint)
Simple Verifiable Delay Functions. Krzysztof Pietrzak (ITCS)
Structure-Preserving Signatures on Equivalence Classes and Constant-Size Anonymous Credentials. Georg Fuchsbauer, Christian Hanser, Daniel Slamanig (J. Cryptology)
WI Is Not Enough - Zero-Knowledge Contingent (Service) Payments Revisited. Georg Fuchsbauer (ACM Conference on Computer and Communications Security)
WI Is Not Enough - Zero-Knowledge Contingent (Service) Payments Revisited. Georg Fuchsbauer (eprint)
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