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Prasanna Ravi

Research Scientist

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Biography

I am working as a Research Scientist at the Center for Hardware Assurance in Temasek Labs@Nanyang Technological University, Singapore. I obtained my PhD in the topic of Side-Channel Analysis (SCA) and Fault-Injection Analysis (FIA) of Post-Quantum Lattice-based Cryptography in 2023 from Nanyang Technological University, Singapore. Apart from using SCA and FIA to assess the strength of cryptographic implementations, I also work on using SCA and FIA to test the security features of embedded devices such as Secure Boot, Debug Interface Protection, Trusted Execution Environment.

Interests

Post-Quantum Cryptography

Lattice-based Cryptography

Side-Channel Analysis

Fault-Injection Analysis

Efficient Implementations

Embedded Security

Education

PhD in Computer Science, 2023

Supervisors: Dr. Anupam Chattopadhyay and Dr. Shivam Bhasin

Nanyang Technological University, Singapore

BTech in Electronics and Communications Engineering, 2015

National Institute of Technology, Tiruchirapalli

Key Info

Invited Seminar titled “Side-Channel Analysis of Lattice-based PQC Candidates”, National Institute for Standards and Technology (NIST). NIST Round 3 Webinar Series, 2021.

Invited Seminar titled “Practical Fault Injection Attacks on Lattice-based NIST PQC Standards - Kyber and Dilithium”, National Institute for Standards and Technology (NIST), NIST PQC Seminar Series, 2023.

Ravi, Prasanna. Implementation Attacks on Post-Quantum Lattice-based CryptographyPhD Thesis, Nanyang Technological University, 2023.

Side-Channel Analysis of Post-Quantum Cryptography

Rajendran, Gokulnath, Prasanna Ravi, Jan-Pieter D’Anvers, Shivam Bhasin, and Anupam Chattopadhyay. Pushing the Limits of Generic Side-Channel Attacks on LWE-based KEMs-Parallel PC Oracle Attacks on Kyber KEM and Beyond. IACR TCHES 2023.

Ravi, Prasanna, Martianus Frederic Ezerman, Shivam Bhasin, Anupam Chattopadhyay, and Sujoy Sinha Roy. Will You Cross the Threshold for Me? Generic Side- Channel Assisted Chosen-Ciphertext Attacks on NTRU-based KEMs. IACR TCHES 2022.

Ravi, Prasanna, Shivam Bhasin, Sujoy Sinha Roy, and Anupam Chattopadhyay. On Exploiting Message Leakage in (Few) NIST PQC Candidates for Practical Message Recovery Attacks. IEEE TIFS 2021.

Ravi, Prasanna, Shivam Bhasin, Sujoy Sinha Roy, and Anupam Chattopadhyay. Drop by Drop You Break the Rock-Exploiting Generic Vulnerabilities in Lattice-based PKE/KEMs using EM-based Physical Attacks. IACR ePrint Archive 2020.

Ravi, Prasanna, Sujoy Sinha Roy, Anupam Chattopadhyay, and Shivam Bhasin. 2020. Generic Side-Channel Attacks on CCA-Secure Lattice-Based PKE and KEMs. IACR TCHES 2020.

Ravi, Prasanna, Mahabir Prasad Jhanwar, James Howe, Anupam Chattopadhyay, and Shivam Bhasin. Side-Channel Assisted Existential Forgery Attack on Dilithium - a NIST PQC Candidate. IACR ePrint Archive 2020.

Yang, Bolin, Prasanna Ravi, Fan Zhang, Ao Shen, and Shivam Bhasin. "STAMP-Single Trace Attack on M-LWE Pointwise Multiplication in Kyber." IACR ePrint Archive 2023.

Fault Injection Analysis of Post-Quantum Cryptography

Ravi, Prasanna, Bolin Yang, Shivam Bhasin, Fan Zhang, and Anupam Chattopadhyay. Fiddling the Twiddle Constants-Fault Injection Analysis of the Number Theoretic Transform. IACR TCHES 2023.

Beegala, Piyush, Debapriya Basu Roy, Prasanna Ravi, Shivam Bhasin, Anupam Chattopadhyay, and Debdeep Mukhopadhyay. Efficient Loop Abort Fault Attacks on Supersingular Isogeny based Key Exchange (SIKE)IEEE DFT 2022.

Ravi, Prasanna, Mahabir Prasad Jhanwar, James Howe, Anupam Chattopadhyay, and Shivam Bhasin. Exploiting Determinism in Lattice-based Signatures: Practical Fault Attacks on pqm4 Implementations of NIST Candidates. ACM AsiaCCS 2019.

Ravi, Prasanna, Debapriya Basu Roy, Shivam Bhasin, Anupam Chattopadhyay, and Debdeep Mukhopadhyay. Number “Not Used” Once - Practical Fault attack on pqm4 Implementations of NIST Candidates. COSADE 2019

SCA/FIA Countermeasures for PQC

Ravi, Prasanna, Anupam Chattopadhyay, Jan Pieter D’Anvers, and Anubhab Baksi. Side-channel and fault-injection attacks over lattice-based post-quantum schemes (Kyber, Dilithium): Survey and New Results. ACM TECS 2023.

Ravi, Prasanna, Romain Poussier, Shivam Bhasin, and Anupam Chattopadhyay. On Configurable SCA Countermeasures against Single Trace Attacks for the NTTSPACE 2020.

Hardware Trojans and Backdoors in PQC Implementations

Ravi, Prasanna, Shivam Bhasin, Anupam Chattopadhyay, and Sujoy Sinha Roy. Backdooring Post-Quantum Cryptography: Kleptographic Attacks on Lattice-based KEMs. IACR ePrint Archive 2022.

 

Ravi, Prasanna, Suman Deb, Anubhab Baksi, Anupam Chattopadhyay, Shivam Bhasin, and Avi Mendelson. On Threat of Hardware Trojan to Post-Quantum Lattice-Based Schemes: A Key Recovery Attack on SABER and Beyond. SPACE 2021.

PQC Perspective and Survey Papers

Ravi, Prasanna. Implementation Attacks on Post-Quantum Lattice-based CryptographyPhD Thesis, Nanyang Technological University, 2023.

Ravi, Prasanna, James Howe, Anupam Chattopadhyay, and Shivam Bhasin. Lattice-based Key Sharing Schemes: A Survey. ACM Computing Surveys 2021.

Ravi, Prasanna, Anupam Chattopadhyay, and Shivam Bhasin. Security and Quantum Computing: An Overview

IEEE LATS 2022.

Ravi, Prasanna, Anupam Chattopadhyay, and Shivam Bhasin. Practical Side-Channel and Fault Attacks on Lattice-Based Cryptography. IEEE VLSI-SoC, 2021

Ravi, Prasanna, Zakaria Najm, Shivam Bhasin, Mustafa Khairallah, Sourav Sen Gupta, and Anupam Chattopadhyay. Security is an Architectural Design ConstraintJournal of Microprocessors and Microsystems 2019.

PQC Optimized Implementations

 

Ravi, Prasanna, Sourav Sen Gupta, Anupam Chattopadhyay, and Shivam Bhasin. Improving Speed of Dilithium’s Signing ProcedureCARDIS 2019.

Ravi, Prasanna, Vijaya Kumar Sundar, Anupam Chattopadhyay, Shivam Bhasin, and Arvind Easwaran. Authentication Protocol for Secure Automotive Systems: Benchmarking Post-Quantum CryptographyISCAS 2020.

SCA/FIA of Symmetric Key Cryptography

Bagheri, Nasour, Sadegh Sadeghi, Prasanna Ravi, Shivam Bhasin, and Hadi Soleimany. SIPFA: Statistical Ineffective Persistent Faults Analysis on Feistel CiphersIACR TCHES 2022.

Soleimany, Hadi, Nasour Bagheri, Hosein Hadipour, Prasanna Ravi, Shivam Bhasin, and Sara Mansouri. Practical Multiple Persistent Faults Analysis. IACR TCHES 2022.

Saha, Sayandeep, Prasanna Ravi, Dirmanto Jap, and Shivam Bhasin. Non-Profiled Side-Channel Assisted Fault Attack: A Case Study on DOMREPDATE 2023.

SCA of Public Key Cryptography

Ravi, Prasanna, Bernhard Jungk, Dirmanto Jap, Zakaria Najm, and Shivam Bhasin. Feature Selection Methods for Non-Profiled Side-Channel Attacks on ECC. IEEE DSP 2018.

Ravi, Prasanna, Bernhard Jungk, and Shivam Bhasin. Single Trace Electromagnetic Side-Channel Attacks on FPGA Implementation of Elliptic Curve Cryptography. IEEE ASPEMC, 2019.

Implementations of Symmetric Key Crypto

Khalid, Ayesha, Goutam Paul, Anupam Chattopadhyay, Faezeh Abediostad, Syed Imad Ud Din, Muhammad Hassan, Baishik Biswas, and Prasanna Ravi. Run- Stream: A High-Level Rapid Prototyping Framework for Stream CiphersACM TECS 2016.

Khalid, Ayesha, Prasanna Ravi, Anupam Chattopadhyay, and Goutam Paul. One Word/Cycle HC-128 accelerator via State-Splitting OptimizationIACR INDOCRYPT 2014.

Design Level Side-Channel Analysis Countermeasures

Ravi, Prasanna, Shivam Bhasin, Jakub Breier, and Anupam Chattopadhyay. PPAP and IPPAP: PLL-based Protection Against Physical AttacksIEEE ISVLSI 2018.

Services

Technical Program Committee

Artifact Evaluation Committee

Sub-Reviewer

Conferences

  • AsiaCrypt 2023

  • ACNS 2023

  • ISCAS 2022

  • ACISP 2021

  • CARDIS 2021

  • DAC 2023

  • DATE 2020

  • Indocrypt 2021

Journals

  • IEEE Transactions on Information Forensics and Security 

  • ACM Transactions on Embedded Computing Systems 

  • IEEE Design and Test

  • IEEE Embedded System Letters

Awards

1. Awarded the Ernst Mach Worldwide Grant Scholarship from OeAD-GmbH, Austria’s Agency for Education and Internationalisation, for a 2-month research on the topic of ”Secure Design and Implementaton of Post-Quantum Cryptographic Algorithms for Embedded Devices” under the supervision of Dr. Sujoy Sinha Roy, Assistant Professor at Graz Institute of Technology, Austria.

2. Best Research Award (Bronze) for the year 2020 and 2021, awarded by Temasek Labs@NTU Singapore in recognition of impactful publications in the field of Post-Quantum Cryptography.

3. Best Student Paper Award for the paper titled "On configurable SCA countermeasures against single trace attacks for the NTT" in International Conference on Security, Privacy, and Applied Cryptography Engineering (SPACE 2020) conference.

4. Best PhD Forum Award awarded by IEEE Asian Hardware Oriented Security and Trust (AsianHOST 2020) conference, in recognition of impactful publications in the field of Post-Quantum Cryptography.

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