KyberSlash: Exploiting secret-dependent division timings in Kyber implementations - Daniel J. Bernstein; Karthikeyan Bhargavan; Shivam Bhasin; Anupam Chattopadhyay; Tee Kiah Chia; Matthias J. Kannwischer; Franziskus Kiefer; Thales B. Paiva; Prasanna Ravi; Goutam Tamvada (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2025)

Late Breaking Results: Practical Electromagnetic Fault Injection on Intel Neural Compute Stick 2 - Shivam Bhasin; Dirmanto Jap; Prasanna Ravi; Marina Krcek; Stjepan Picek (Design, Automation & Test in Europe Conference, DATE 2025, Lyon, France, March 31 - April 2, 2025, 2025)

Et tu, Brute? Side-Channel Assisted Chosen Ciphertext Attacks Using Valid Ciphertexts on HQC KEM - Thales B. Paiva; Prasanna Ravi; Dirmanto Jap; Shivam Bhasin; Sayan Das; Anupam Chattopadhyay (Post-Quantum Cryptography - 16th International Workshop, PQCrypto 2025, Taipei, Taiwan, April 8-10, 2025, Proceedings, Part II, 2025)

Practical Electromagnetic Fault Injection on Intel Neural Compute Stick 2 - Shivam Bhasin; Dirmanto Jap; Marina Krcek; Stjepan Picek; Prasanna Ravi (IACR Cryptol. ePrint Arch., 2025)

Mind the Gap: Securing QKD Interfaces with Post-Quantum Proxies - Sayan Das; Aarav Varshney; Prasanna Ravi; Anupam Chattopadhyay (IACR Cryptol. ePrint Arch., 2025)

Defeating Low-Cost Countermeasures against Side-Channel Attacks in Lattice-based Encryption A Case Study on Crystals-Kyber - Prasanna Ravi; Thales B. Paiva; Dirmanto Jap; Jan-Pieter D'Anvers; Shivam Bhasin (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2024)

Side-channel and Fault-injection attacks over Lattice-based Post-quantum Schemes (Kyber, Dilithium): Survey and New Results - Prasanna Ravi; Anupam Chattopadhyay; Jan-Pieter D'Anvers; Anubhab Baksi (ACM Trans. Embed. Comput. Syst., 2024)

Formal Verification of Secure Boot Process - Sriram Vasudevan; Prasanna Ravi; Arpan Jati; Shivam Bhasin; Anupam Chattopadhyay (Design, Automation & Test in Europe Conference & Exhibition, DATE 2024, Valencia, Spain, March 25-27, 2024, 2024)

Backdooring Post-Quantum Cryptography: Kleptographic Attacks on Lattice-based KEMs - Prasanna Ravi; Shivam Bhasin; Anupam Chattopadhyay; Aikata; Sujoy Sinha Roy (Proceedings of the Great Lakes Symposium on VLSI 2024, GLSVLSI 2024, Clearwater, FL, USA, June 12-14, 2024, 2024)

Achilles Heel in Secure Boot: Breaking RSA Authentication and Bitstream Recovery from Zynq-7000 SoC - Prasanna Ravi; Arpan Jati; Shivam Bhasin (18th USENIX WOOT Conference on Offensive Technologies, WOOT 2024, Philadelphia, PA, USA, August 12-13, 2024, 2024)

Machine Learning based Blind Side-Channel Attacks on PQC-based KEMs - A Case Study of Kyber KEM - Prasanna Ravi; Dirmanto Jap; Shivam Bhasin; Anupam Chattopadhyay (IACR Cryptol. ePrint Arch., 2024)

KyberSlash: Exploiting secret-dependent division timings in Kyber implementations - Daniel J. Bernstein; Karthikeyan Bhargavan; Shivam Bhasin; Anupam Chattopadhyay; Tee Kiah Chia; Matthias J. Kannwischer; Franziskus Kiefer; Thales B. Paiva; Prasanna Ravi; Goutam Tamvada (IACR Cryptol. ePrint Arch., 2024)

Improved ML-DSA Hardware Implementation With First Order Masking Countermeasure - Kamal Raj; Prasanna Ravi; Tee Kiah Chia; Anupam Chattopadhyay (IACR Cryptol. ePrint Arch., 2024)

Classic McEliece Hardware Implementation with Enhanced Side-Channel and Fault Resistance - Peizhou Gan; Prasanna Ravi; Kamal Raj; Anubhab Baksi; Anupam Chattopadhyay (IACR Cryptol. ePrint Arch., 2024)

Implementation attacks on post-quantum lattice-based cryptography - Prasanna Ravi (Nanyang Technological University, Singapore, 2023)

Pushing the Limits of Generic Side-Channel Attacks on LWE-based KEMs - Parallel PC Oracle Attacks on Kyber KEM and Beyond - Gokulnath Rajendran; Prasanna Ravi; Jan-Pieter D'Anvers; Shivam Bhasin; Anupam Chattopadhyay (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2023)

Fiddling the Twiddle Constants - Fault Injection Analysis of the Number Theoretic Transform - Prasanna Ravi; Bolin Yang; Shivam Bhasin; Fan Zhang; Anupam Chattopadhyay (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2023)

Non-Profiled Side-Channel Assisted Fault Attack: A Case Study on DOMREP - Sayandeep Saha; Prasanna Ravi; Dirmanto Jap; Shivam Bhasin (Design, Automation & Test in Europe Conference & Exhibition, DATE 2023, Antwerp, Belgium, April 17-19, 2023, 2023)

Invited Paper: Machine Learning Based Blind Side-Channel Attacks on PQC-Based KEMs - A Case Study of Kyber KEM - Prasanna Ravi; Dirmanto Jap; Shivam Bhasin; Anupam Chattopadhyay (IEEE/ACM International Conference on Computer Aided Design, ICCAD 2023, San Francisco, CA, USA, October 28 - Nov. 2, 2023, 2023)

STAMP-Single Trace Attack on M-LWE Pointwise Multiplication in Kyber - Bolin Yang; Prasanna Ravi; Fan Zhang; Ao Shen; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2023)

Et tu, Brute? SCA Assisted CCA using Valid Ciphertexts - A Case Study on HQC KEM - Thales B. Paiva; Prasanna Ravi; Dirmanto Jap; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2023)

Defeating Low-Cost Countermeasures against Side-Channel Attacks in Lattice-based Encryption - A Case Study on Crystals-Kyber - Prasanna Ravi; Thales B. Paiva; Dirmanto Jap; Jan-Pieter D'Anvers; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2023)

Breaking RSA Authentication on Zynq-7000 SoC and Beyond: Identification of Critical Security Flaw in FSBL Software - Prasanna Ravi; Arpan Jati; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2023)

Lattice-based Key-sharing Schemes: A Survey - Prasanna Ravi; James Howe; Anupam Chattopadhyay; Shivam Bhasin (ACM Comput. Surv., 2022)

Practical Multiple Persistent Faults Analysis - Hadi Soleimany; Nasour Bagheri; Hosein Hadipour; Prasanna Ravi; Shivam Bhasin; Sara Mansouri (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2022)

Will You Cross the Threshold for Me? Generic Side-Channel Assisted Chosen-Ciphertext Attacks on NTRU-based KEMs - Prasanna Ravi; Martianus Frederic Ezerman; Shivam Bhasin; Anupam Chattopadhyay; Sujoy Sinha Roy (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2022)

SIPFA: Statistical Ineffective Persistent Faults Analysis on Feistel Ciphers - Nasour Bagheri; Sadegh Sadeghi; Prasanna Ravi; Shivam Bhasin; Hadi Soleimany (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2022)

On Exploiting Message Leakage in (Few) NIST PQC Candidates for Practical Message Recovery Attacks - Prasanna Ravi; Shivam Bhasin; Sujoy Sinha Roy; Anupam Chattopadhyay (IEEE Trans. Inf. Forensics Secur., 2022)

Efficient Loop Abort Fault Attacks on Supersingular Isogeny based Key Exchange (SIKE) - Piyush Beegala; Debapriya Basu Roy; Prasanna Ravi; Shivam Bhasin; Anupam Chattopadhyay; Debdeep Mukhopadhyay (IEEE International Symposium on Defect and Fault Tolerance in VLSI and Nanotechnology Systems, DFT 2022, Austin, TX, USA, October 19-21, 2022, 2022)

Security and Quantum Computing: An Overview - Prasanna Ravi; Anupam Chattopadhyay; Shivam Bhasin (23rd IEEE Latin American Test Symposium, LATS 2022, Montevideo, Uruguay, September 5-8, 2022, 2022)

SIPFA: Statistical Ineffective Persistent Faults Analysis on Feistel Ciphers - Nasour Bagheri; Sadegh Sadeghi; Prasanna Ravi; Shivam Bhasin; Hadi Soleimany (IACR Cryptol. ePrint Arch., 2022)

Side-channel and Fault-injection attacks over Lattice-based Post-quantum Schemes (Kyber, Dilithium): Survey and New Results - Prasanna Ravi; Anupam Chattopadhyay; Anubhab Baksi (IACR Cryptol. ePrint Arch., 2022)

Fiddling the Twiddle Constants - Fault Injection Analysis of the Number Theoretic Transform - Prasanna Ravi; Bolin Yang; Shivam Bhasin; Fan Zhang; Anupam Chattopadhyay (IACR Cryptol. ePrint Arch., 2022)

Pushing the Limits of Generic Side-Channel Attacks on LWE-based KEMs - Parallel PC Oracle Attacks on Kyber KEM and Beyond - Gokulnath Rajendran; Prasanna Ravi; Jan-Pieter D'Anvers; Shivam Bhasin; Anupam Chattopadhyay (IACR Cryptol. ePrint Arch., 2022)

Security and Quantum Computing: An Overview - Prasanna Ravi; Anupam Chattopadhyay; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2022)

Backdooring Post-Quantum Cryptography: Kleptographic Attacks on Lattice-based KEMs - Prasanna Ravi; Shivam Bhasin; Anupam Chattopadhyay; Aikata; Sujoy Sinha Roy (IACR Cryptol. ePrint Arch., 2022)

On Threat of Hardware Trojan to Post-Quantum Lattice-Based Schemes: A Key Recovery Attack on SABER and Beyond - Prasanna Ravi; Suman Deb; Anubhab Baksi; Anupam Chattopadhyay; Shivam Bhasin; Avi Mendelson (Security, Privacy, and Applied Cryptography Engineering - 11th International Conference, SPACE 2021, Kolkata, India, December 10-13, 2021, Proceedings, 2021)

Practical Side-Channel and Fault Attacks on Lattice-Based Cryptography - Prasanna Ravi; Anupam Chattopadhyay; Shivam Bhasin (29th IFIP/IEEE International Conference on Very Large Scale Integration, VLSI-SoC 2021, Singapore, Singapore, October 4-7, 2021, 2021)

Generic Side-Channel Assisted Chosen-Ciphertext Attacks on Streamlined NTRU Prime - Prasanna Ravi; Martianus Frederic Ezerman; Shivam Bhasin; Anupam Chattopadhyay; Sujoy Sinha Roy (IACR Cryptol. ePrint Arch., 2021)

Practical Multiple Persistent Faults Analysis - Hadi Soleimany; Nasour Bagheri; Hosein Hadipour; Prasanna Ravi; Shivam Bhasin; Sara Mansouri (IACR Cryptol. ePrint Arch., 2021)

Generic Side-channel attacks on CCA-secure lattice-based PKE and KEMs - Prasanna Ravi; Sujoy Sinha Roy; Anupam Chattopadhyay; Shivam Bhasin (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2020)

Authentication Protocol for Secure Automotive Systems: Benchmarking Post-Quantum Cryptography - Prasanna Ravi; Vijaya Kumar Sundar; Anupam Chattopadhyay; Shivam Bhasin; Arvind Easwaran (IEEE International Symposium on Circuits and Systems, ISCAS 2020, Sevilla, Spain, October 10-21, 2020, 2020)

On Configurable SCA Countermeasures Against Single Trace Attacks for the NTT - A Performance Evaluation Study over Kyber and Dilithium on the ARM Cortex-M4 - Prasanna Ravi; Romain Poussier; Shivam Bhasin; Anupam Chattopadhyay (Security, Privacy, and Applied Cryptography Engineering - 10th International Conference, SPACE 2020, Kolkata, India, December 17-21, 2020, Proceedings, 2020)

Drop by Drop you break the rock - Exploiting generic vulnerabilities in Lattice-based PKE/KEMs using EM-based Physical Attacks - Prasanna Ravi; Shivam Bhasin; Sujoy Sinha Roy; Anupam Chattopadhyay (IACR Cryptol. ePrint Arch., 2020)

On Configurable SCA Countermeasures Against Single Trace Attacks for the NTT - A Performance Evaluation Study over Kyber and Dilithium on the ARM Cortex-M4 - Prasanna Ravi; Romain Poussier; Shivam Bhasin; Anupam Chattopadhyay (IACR Cryptol. ePrint Arch., 2020)

Lattice-based Key Sharing Schemes - A Survey - Prasanna Ravi; James Howe; Anupam Chattopadhyay; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2020)

On Exploiting Message Leakage in (few) NIST PQC Candidates for Practical Message Recovery and Key Recovery Attacks - Prasanna Ravi; Shivam Bhasin; Sujoy Sinha Roy; Anupam Chattopadhyay (IACR Cryptol. ePrint Arch., 2020)

Security is an architectural design constraint - Prasanna Ravi; Zakaria Najm; Shivam Bhasin; Mustafa Khairallah; Sourav Sen Gupta; Anupam Chattopadhyay (Microprocess. Microsystems, 2019)

Improving Speed of Dilithium's Signing Procedure - Prasanna Ravi; Sourav Sen Gupta; Anupam Chattopadhyay; Shivam Bhasin (Smart Card Research and Advanced Applications - 18th International Conference, CARDIS 2019, Prague, Czech Republic, November 11-13, 2019, Revised Selected Papers, 2019)

Exploiting Determinism in Lattice-based Signatures: Practical Fault Attacks on pqm4 Implementations of NIST Candidates - Prasanna Ravi; Mahabir Prasad Jhanwar; James Howe; Anupam Chattopadhyay; Shivam Bhasin (Proceedings of the 2019 ACM Asia Conference on Computer and Communications Security, AsiaCCS 2019, Auckland, New Zealand, July 09-12, 2019, 2019)

Number "Not Used" Once - Practical Fault Attack on pqm4 Implementations of NIST Candidates - Prasanna Ravi; Debapriya Basu Roy; Shivam Bhasin; Anupam Chattopadhyay; Debdeep Mukhopadhyay (Constructive Side-Channel Analysis and Secure Design - 10th International Workshop, COSADE 2019, Darmstadt, Germany, April 3-5, 2019, Proceedings, 2019)

Security is an Architectural Design Constraint - Prasanna Ravi; Sourav Sen Gupta; Anupam Chattopadhyay; Mustafa Khairallah; Zakaria Najm; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2019)

Improving Speed of Dilithium's Signing Procedure - Prasanna Ravi; Sourav Sen Gupta; Anupam Chattopadhyay; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2019)

Exploiting Determinism in Lattice-based Signatures - Practical Fault Attacks on pqm4 Implementations of NIST candidates - Prasanna Ravi; Mahabir Prasad Jhanwar; James Howe; Anupam Chattopadhyay; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2019)

Generic Side-channel attacks on CCA-secure lattice-based PKE and KEM schemes - Prasanna Ravi; Sujoy Sinha Roy; Anupam Chattopadhyay; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2019)

Feature Selection Methods for Non-Profiled Side-Channel Attacks on ECC - Prasanna Ravi; Bernhard Jungk; Dirmanto Jap; Zakaria Najm; Shivam Bhasin (23rd IEEE International Conference on Digital Signal Processing, DSP 2018, Shanghai, China, November 19-21, 2018, 2018)

PPAP and iPPAP: PLL-Based Protection Against Physical Attacks - Prasanna Ravi; Shivam Bhasin; Jakub Breier; Anupam Chattopadhyay (2018 IEEE Computer Society Annual Symposium on VLSI, ISVLSI 2018, Hong Kong, China, July 8-11, 2018, 2018)

Number "Not" Used Once - Key Recovery Fault Attacks on LWE Based Lattice Cryptographic Schemes - Prasanna Ravi; Shivam Bhasin; Anupam Chattopadhyay (IACR Cryptol. ePrint Arch., 2018)

Side-channel Assisted Existential Forgery Attack on Dilithium - A NIST PQC candidate - Prasanna Ravi; Mahabir Prasad Jhanwar; James Howe; Anupam Chattopadhyay; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2018)

RunStream: A High-Level Rapid Prototyping Framework for Stream Ciphers - Ayesha Khalid; Goutam Paul; Anupam Chattopadhyay; Faezeh Abediostad; Syed Imad Ud Din; Muhammad Hassan; Baishik Biswas; Prasanna Ravi (ACM Trans. Embed. Comput. Syst., 2016)

One Word/Cycle HC-128 Accelerator via State-Splitting Optimization - Ayesha Khalid; Prasanna Ravi; Anupam Chattopadhyay; Goutam Paul (Progress in Cryptology - INDOCRYPT 2014 - 15th International Conference on Cryptology in India, New Delhi, India, December 14-17, 2014, Proceedings, 2014)