Research
Cryptography
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
PUBLICATIONS
Compactness of Hashing Modes and Efficiency Beyond Merkle Tree. Elena Andreeva, Rishiraj Bhattacharyya, Arnab Roy (EUROCRYPT, 2021) ↗
Compactness of Hashing Modes and Efficiency beyond Merkle Tree. Elena Andreeva, Rishiraj Bhattacharyya, Arnab Roy (eprint, 2021) ↗
Compactness of Hashing Modes and Efficiency beyond Merkle Tree. Elena Andreeva, Rishiraj Bhattacharyya, Arnab Roy (eprint, 2021) ↗
Interpolation Cryptanalysis of Unbalanced Feistel Networks with Low Degree Round Functions. Arnab Roy, Elena Andreeva, Jan Ferdinand Sauer (eprint, 2021) ↗
Inverse-Sybil Attacks in Automated Contact Tracing. Benedikt Auerbach, Suvradip Chakraborty, Karen Klein, Guillermo Pascual-Perez, Krzysztof Pietrzak, Michael Walter, Michelle Yeo (CT-RSA, 2021) ↗
LightPIR - Privacy-Preserving Route Discovery for Payment Channel Networks. Krzysztof Pietrzak, Iosif Salem, Stefan Schmid, Michelle Yeo (Networking, 2021) ↗
LightPIR - Privacy-Preserving Route Discovery for Payment Channel Networks. Krzysztof Pietrzak, Iosif Salem, Stefan Schmid, Michelle Yeo (eprint, 2021) ↗
Limits on the Adaptive Security of Yao's Garbling. Chethan Kamath, Karen Klein, Krzysztof Pietrzak, Daniel Wichs (CRYPTO, 2021) ↗
Limits on the Adaptive Security of Yao's Garbling. Chethan Kamath, Karen Klein, Krzysztof Pietrzak, Daniel Wichs (eprint, 2021) ↗
On Treewidth, Separators and Yao's Garbling. Chethan Kamath, Karen Klein, Krzysztof Pietrzak (eprint, 2021) ↗
On the Cost of Adaptivity in Graph-Based Games. Chethan Kamath, Karen Klein, Krzysztof Pietrzak, Michael Walter (eprint, 2021) ↗
1, 2, 3, Fork - Counter Mode Variants based on a Generalized Forkcipher. Elena Andreeva, Amit Singh Bhati, Bart Preneel, Damian Vizár (IACR Trans. Symmetric Cryptol., 2021) ↗
RUP Security of the SAEF Authenticated Encryption mode. Elena Andreeva, Amit Singh Bhati, Damian Vizár (eprint, 2021) ↗
The One-More Discrete Logarithm Assumption in the Generic Group Model. Balthazar Bauer, Georg Fuchsbauer, Antoine Plouviez (eprint, 2021) ↗
Transferable E-Cash - A Cleaner Model and the First Practical Instantiation. Balthazar Bauer, Georg Fuchsbauer, Chen Qian (Public Key Cryptography, 2021) ↗
A Classification of Computational Assumptions in the Algebraic Group Model. Balthazar Bauer, Georg Fuchsbauer, Julian Loss (CRYPTO, 2020) ↗
A Classification of Computational Assumptions in the Algebraic Group Model. Balthazar Bauer, Georg Fuchsbauer, Julian Loss (eprint, 2020) ↗
Blind Schnorr Signatures and Signed ElGamal Encryption in the Algebraic Group Model. Georg Fuchsbauer, Antoine Plouviez, Yannick Seurin (EUROCRYPT, 2020) ↗
Delayed Authentication - Preventing Replay and Relay Attacks in Private Contact Tracing. Krzysztof Pietrzak (INDOCRYPT, 2020) ↗
Delayed Authentication - Preventing Replay and Relay Attacks in Private Contact Tracing. Krzysztof Pietrzak (eprint, 2020) ↗
Double-Authentication-Preventing Signatures in the Standard Model. Dario Catalano, Georg Fuchsbauer, Azam Soleimanian (SCN, 2020) ↗
Double-Authentication-Preventing Signatures in the Standard Model. Dario Catalano, Georg Fuchsbauer, Azam Soleimanian (eprint, 2020) ↗
Efficient Signatures on Randomizable Ciphertexts. Balthazar Bauer, Georg Fuchsbauer (SCN, 2020) ↗
Efficient Signatures on Randomizable Ciphertexts. Balthazar Bauer, Georg Fuchsbauer (eprint, 2020) ↗
Interpolation Cryptanalysis of Unbalanced Feistel Networks with Low Degree Round Functions. Arnab Roy, Elena Andreeva, Jan Ferdinand Sauer (SAC, 2020) ↗
Nonce-Misuse Security of the SAEF Authenticated Encryption Mode. Elena Andreeva, Amit Singh Bhati, Damian Vizár (SAC, 2020) ↗
Nonce-Misuse Security of the SAEF Authenticated Encryption mode. Elena Andreeva, Amit Singh Bhati, Damian Vizár (eprint, 2020) ↗
Optimized Software Implementations for the Lightweight Encryption Scheme ForkAE. Arne Deprez, Elena Andreeva, Jose Maria Bermudo Mera, Angshuman Karmakar, Antoon Purnal (CARDIS, 2020) ↗
Optimized Software Implementations for theLightweight Encryption Scheme ForkAE. Arne Deprez, Elena Andreeva, Jose Maria Bermudo Mera, Angshuman Karmakar, Antoon Purnal (eprint, 2020) ↗
Simpler Constructions of Asymmetric Primitives from Obfuscation. Pooya Farshim, Georg Fuchsbauer, Alain Passelègue (INDOCRYPT, 2020) ↗
Transferable E-cash - A Cleaner Model and the First Practical Instantiation. Balthazar Bauer, Georg Fuchsbauer, Chen Qian (eprint, 2020) ↗
Adaptively Secure Proxy Re-encryption. Georg Fuchsbauer, Chethan Kamath, Karen Klein, Krzysztof Pietrzak (Public Key Cryptography, 2019) ↗
Aggregate Cash Systems - A Cryptographic Investigation of Mimblewimble. Georg Fuchsbauer, Michele Orrù, Yannick Seurin (EUROCRYPT, 2019) ↗
Anonymous Multi-Hop Locks for Blockchain Scalability and Interoperability. Giulio Malavolta, Pedro Moreno-Sanchez, Clara Schneidewind, Aniket Kate, Matteo Maffei (NDSS, 2019) ↗
Blind Schnorr Signatures in the Algebraic Group Model. Georg Fuchsbauer, Antoine Plouviez, Yannick Seurin (eprint, 2019) ↗
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 (Electron. Colloquium Comput. Complex., 2019) ↗
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, 2019) ↗
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, 2019) ↗
Forkcipher - A New Primitive for Authenticated Encryption of Very Short Messages. Elena Andreeva, Virginie Lallemand, Antoon Purnal, Reza Reyhanitabar, Arnab Roy, Damian Vizár (ASIACRYPT, 2019) ↗
Forkcipher - a New Primitive for Authenticated Encryption of Very Short Messages. Elena Andreeva, Virginie Lallemand, Antoon Purnal, Reza Reyhanitabar, Arnab Roy, Damian Vizár (eprint, 2019) ↗
Group ORAM for privacy and access control in outsourced personal records. Matteo Maffei, Giulio Malavolta, Manuel Reinert, Dominique Schröder (J. Comput. Secur., 2019) ↗
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, 2019) ↗
PPAD-Hardness via Iterated Squaring Modulo a Composite. Arka Rai Choudhuri, Pavel Hubácek, Chethan Kamath, Krzysztof Pietrzak, Alon Rosen, Guy N. Rothblum (eprint, 2019) ↗
Proofs of Catalytic Space. Krzysztof Pietrzak (ITCS, 2019) ↗
Reversible Proofs of Sequential Work. Hamza Abusalah, Chethan Kamath, Karen Klein, Krzysztof Pietrzak, Michael Walter (EUROCRYPT, 2019) ↗
Reversible Proofs of Sequential Work. Hamza Abusalah, Chethan Kamath, Karen Klein, Krzysztof Pietrzak, Michael Walter (eprint, 2019) ↗
Security of Symmetric Primitives against Key-Correlated Attacks. Aisling Connolly, Pooya Farshim, Georg Fuchsbauer (IACR Trans. Symmetric Cryptol., 2019) ↗
Security of Symmetric Primitives against Key-Correlated Attacks. Aisling Connolly, Pooya Farshim, Georg Fuchsbauer (eprint, 2019) ↗
Simple Verifiable Delay Functions. Krzysztof Pietrzak (ITCS, 2019) ↗
Structure-Preserving Signatures on Equivalence Classes and Constant-Size Anonymous Credentials. Georg Fuchsbauer, Christian Hanser, Daniel Slamanig (J. Cryptol., 2019) ↗
WI Is Not Enough - Zero-Knowledge Contingent (Service) Payments Revisited. Georg Fuchsbauer (CCS, 2019) ↗
WI Is Not Enough - Zero-Knowledge Contingent (Service) Payments Revisited. Georg Fuchsbauer (eprint, 2019) ↗
