Sujoy Sinha Roy
Ass.Prof. Priv.-Doz. PhDSecure Systems, Assistant Professor
Bachelors and Masters project topics
Master projects
Bachelors projects
News Florian Krieger's master thesis has been awarded the prestigious WKO Research Grant. This prize is awarded by the Styrian Economic Chamber to exceptional master theses with strong business reference. Florian's master thesis develops novel design approaches to improving the efficiency of client-side FHE. It further adds valuable design source codes and knowledge to the community. Congratulations to Florian!
News Aikata's master thesis, titled "Efficient Polynomial Arithmetic Architecture for Saber and Dilithium" received the 1st prize in the TU Graz Forum Technology and Society 2022. Congratulations to Aikata!
Ongoing third-party funded projects
- Secure and efficient implementation of Post-quantum Cryptography
- Hardware acceleration of Homomorphic encryption
- Ian Khodachenko
- Florian Krieger
- Michael Streibl
- Daniel Sanz Sobrino
- Constantin Piber
- Slaven Vidaković
Publications in 2021-24
- “REPQC: Reverse Engineering and Backdooring Hardware Accelerators for Post-quantum Cryptography” Samuel Pagliarini, Aikata Aikata, Malik Imran, and Sujoy Sinha Roy. Accepted in AsiaCCS 2024.
- Florian Hirner and Ahmet Can Mert and Sujoy Sinha Roy: PROTEUS: A Tool to generate pipelined Number Theoretic Transform Architectures for FHE and ZKP applications. IEEE Transaction on VLSI 2024.
- Anisha Mukherjee, Aikata, Ahmet Can Mert, Yongwoo Lee, Sunmin Kwon, Maxim Deryabin, Sujoy Sinha Roy: ModHE: Modular Homomorphic Encryption Using Module Lattices: Potentials and Limitations. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2024(1).
- Florian Krieger, Florian Hirner, Ahmet Can Mert, and Sujoy Sinha Roy: Aloha-HE: A Low-Area Hardware Accelerator for Client-Side Operations in Homomorphic Encryption. In Design Automation and Test (DATE) 2024.
- Malik Imran, Aikata Aikata, Sujoy Sinha Roy, Samuel Pagliarini: High-speed Design of Post Quantum Cryptography with Optimized Hashing and Multiplication. IEEE Transactions on Circuits and Systems II: Express Briefs ( Volume: 71, Issue: 2, February 2024).
- Aikata, Ahmet Can Mert, Sunmin Kwon, Maxim Deryabin, Sujoy Sinha Roy: REED: Chiplet-Based Scalable Hardware Accelerator for Fully Homomorphic Encryption. CoRR abs/2308.02885 (2023)
- David Jacquemin, Anisha Mukherjee, Sujoy Sinha Roy, Péter Kutas: Towards a constant-time implementation of isogeny-based signature, SQISign. IACR Cryptol. ePrint Arch. 2023: 807 (2023)
- Florian Hirner, Michael Streibl, Ahmet Can Mert, Sujoy Sinha Roy: A Hardware Implementation of MAYO Signature Scheme. IACR Cryptol. ePrint Arch. 2023: 1267 (2023)
- David Jacquemin, Anisha Mukherjee, Ahmet Can Mert, Sujoy Sinha Roy: Parallel Hardware for Isogeny-based VDF: Attacker's Perspective. IACR Cryptol. ePrint Arch. 2023: 1396 (2023)
- Aikata Aikata and Andrea Basso and Gaetan Cassiers and Ahmet Can Mert and Sujoy Sinha Roy: Kavach: Lightweight masking techniques for polynomial arithmetic in lattice-based cryptography. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2023(3).
- Ahmet Can Mert and Aikata and Sunmin Kwon and Youngsam Shin and Donghoon Yoo and Yongwoo Lee and Sujoy Sinha Roy: Medha: Microcoded Hardware Accelerator for computing on Encrypted Data. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2023(1).
- Aikata Aikata and Ahmet Can Mert and Malik Imran and Samuel Pagliarini and Sujoy Sinha Roy: KaLi: A Crystal for Post-Quantum Security Using Kyber and Dilithium. IEEE Transactions on Circuits and Systems 1 (2023).
- Aikata Aikata, Ahmet Can Mert, David Jacquemin, Amitabh Das, Donald Matthews, Santosh Ghosh, Sujoy Sinha Roy: A Unified Cryptoprocessor for Lattice-based Signature and Key-exchange. Accepted for publication in IEEE Transactions on Computers (2023).
- Malik Imran, Felipe Almeida, Andrea Basso, Sujoy Sinha Roy, Samuel Pagliarini: High-speed SABER Key Encapsulation Mechanism in 65nm CMOS. Journal of Cryptographic Engineering 2023.
- Sujoy Sinha Roy and Utsav Banerjee: Preventing a Crypto-Apocalypse -- From Mathematics to Circuits for Post-Quantum Cryptography. IEEE Solid-State Circuits Magazine ( Volume: 15, Issue: 1, winter 2023)
- Prasanna Ravi, Shivam Bhasin, Anupam Chattopadhyay, Aikata, Sujoy Sinha Roy: Backdooring Post-Quantum Cryptography: Kleptographic Attacks on Lattice-based KEMs. IACR Cryptol. ePrint Arch. 2022: 1681 (2022).
- David Jacquemin and Ahmet Can Mert and Sujoy Sinha Roy: Exploring RNS for Isogeny-based Cryptography. IACR Cryptol. ePrint Arch. 2022: 1289 (2022)
- Jipeng Zhang and Junhao Huang and Zhe Liu and Sujoy Sinha Roy: Time-memory Trade-offs for Saber+ on Memory-constrained RISC-V. IEEE Transactions on Computers 2022.
- Prasanna Ravi, Martianus Frederic Ezerman, Shivam Bhasin, Anupam Chattopadhyay, Sujoy Sinha Roy: Will You Cross the Threshold for Me? Generic Side-Channel Assisted Chosen-Ciphertext Attacks on NTRU-based KEMs. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2022(1): 722-761 (2022).
- Prasanna Ravi, Shivam Bhasin, Sujoy Sinha Roy, Anupam Chattopadhyay: On Exploiting Message Leakage in (few) NIST PQC Candidates for Practical Message Recovery and Key Recovery Attacks. IEEE Transactions on Information Forensics and Security 2021.
- Sujoy Sinha Roy, Ahmet Can Mert, Aikata, Sunmin Kwon, Youngsam Shin, Donghoon Yoo: Accelerator for Computing on Encrypted Data. IACR Cryptol. ePrint Arch. 2021: 1555 (2021)
- Zhuang Xu, Owen Pemberton, Sujoy Sinha Roy, David F. Oswald: Magnifying Side-Channel Leakage of Lattice-Based Cryptosystems with Chosen Ciphertexts: The Case Study of Kyber. IEEE Transactions on Computers 2021.
- Malik Imran, Felipe Almeida, Jaan Raik, Andrea Basso, Sujoy Sinha Roy, Samuel Pagliarini: Design Space Exploration of SABER in 65nm ASIC. ASHES@CCS 2021: 85-90
- Andrea Basso, Sujoy Sinha Roy: Optimized Polynomial Multiplier Architectures for Post-Quantum KEM Saber. DAC 2021: 1285-1290