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Our Instructor

Dr. Debayan Das

Dr. Debayan Das

  • Responsibility: Assistant Professor
  • Email: debayandas@iisc.ac.in
  • Years in IISc: 2 years 8 months
  • Total PhD Graduated: Nil
  • Total Journal Papers: 30
  • Total Conference Papers: 40
  • Total Patents: Nil

Research Thrust:

The Circuits and Security Research Lab (CSRL) broadly focus on designing energy-efficient and secure communication and computation for IoT devices & systems. We aim to solve fundamental problems in the domain of hardware security and biomedical circuits and systems, primarily focusing on innovations in the design of mixed-signal ICs and FPGAs.

To summarize, the key research areas are:

  • Design of low-power circuits/system architecture for security
  • Biomedical applications and IC design
  • Circuits and systems for the Internet of Bodies
  • Quantum-inspired circuit modeling
  • Machine-learning applications for circuits and security

Top 20% Publications:

  1. Archisman Ghosh, Dong-Hyun Seo, Debayan Das, Santosh Ghosh, Shreyas Sen, R-STELLAR: A Resilient Synthesizable Signature Attenuation SCA Protection on AES-256 with built-in Attack-on-Countermeasure Detection, IEEE Open Journal of the Solid-State Circuits Society (OJSSCS), 2025.
  2. Deepak Balotia, Rahul Balout, Suparna Kundu, Anupam Golder, Angshuman Karmakar, Debayan Das, Machine Learning Power Side-Channel Attack on SNOW-V, IEEE VLSID, 2026.
  3. Raghvendra Pratap Singh, Baibhab Chatterjee, Shreyas Sen, Debayan Das, From the Two Capacitor Paradox to Electromagnetic Side-Channel Mitigation in Digital Circuits, IEEE MAPCON, 2025.
  4. Soham Pramanik, Vimal William, Arnab Raha, Debayan Das, Amitava Mukherjee, Janet L. Paluh, TYTAN: Taylor-series based Non-Linear Activation Engine for Deep Learning Accelerators, Springer VDAT, 2025.
  5. Anirban Bhattacharya, Raghvendra Pratap Singh, Debayan Das, Baibhab Chatterjee, LEnS: LLM-assisted Automatic Layout of Encryption Engines for Electromagnetic Side-Channel Security, IEEE MWSCAS, 2025.
  6. Archisman Ghosh, Md. Abdur Rahman, Debayan Das, Santosh Ghosh, Shreyas Sen, Exploiting Clock-Slew Dependent Variability in CMOS Digital Circuits Towards Power and EM SCA Resilience, IEEE OJ-SSCS, 2025.
  7. Harshit Saurabh, Suparna Kundu, Anupam Golder, Samarth Shivakumar Titti, Chaoyun Li, Angshuman Karmakar, Debayan Das, Full Key Extraction of SNOW-V Using ML-assisted Power SCA, IEEE Design & Test (D&T), 2024.
  8. Samarth Shivakumar Titti, Harshit Saurabh, Debayan Das, TYLOR: TDC-based Low-Overhead Synthesizable Power SCA Countermeasure on FPGAs, IEEE Design & Test (D&T), 2024.
  9. Harshit Saurabh, Anupam Golder, Samarth Shivakumar Titti, Suparna Kundu, Chaoyun Li, Angshuman Karmakar, Debayan Das, SNOW-SCA: ML-assisted Side-Channel Attack on SNOW-V, IEEE HOST, 2024.
  10. Debayan Das et al., Optimal Placement of TDC Sensor for Enhanced Power Side-Channel Assessment on FPGAs, IEEE VLSID, 2024.
  11. Dong-Hyun Seo, Archisman Ghosh, Debayan Das, Mayukh Nath, Santosh Ghosh, Shreyas Sen, PG-CAS: Pro-Active EM-SCA Probe Detection using Switched-Capacitor based Patterned Ground Co-Planar Capacitive Asymmetry Sensing, IEEE Open Journal of Circuits and Systems (OJCAS), 2023.
  12. Archisman Ghosh, Debayan Das, Santosh Ghosh, Shreyas Sen, Synthesizable Switch Capacitor based Time-Varying Transfer Function for FCN and CNN ML-SCA Attack-resistant AES256 in 65nm CMOS, IEEE TCAS-II, 2023.
  13. Dong-Hyun Seo, Mayukh Nath, Debayan Das, Santosh Ghosh, Shreyas Sen, Improved EM Side-Channel Analysis Attack Probe Detection Range utilizing Co-planar Capacitive Asymmetry Sensing, IEEE TCAD, 2023.
  14. Archisman Ghosh, J.M.B. Mera, Angshuman Karmakar, Debayan Das, Santosh Ghosh, Ingrid Verbauwhede, Shreyas Sen, A 334µW 0.158mm² ASIC for post-quantum Key-encapsulation mechanism Saber using faster and compact striding Toom-Cook multiplication, IEEE JSSC, 2023.
  15. Archisman Ghosh, Debayan Das, Shreyas Sen, Physical Time-Varying Transfer Functions as Generic Low-Overhead Power-SCA Countermeasure, IEEE OJCAS, 2023.
  16. Anupam Golder et al., Debayan Das, Power Side-Channel Vulnerability Assessment of Lightweight Cryptographic Scheme XOODYAK, IEEE/ACM DAC, 2023.
  17. Archisman Ghosh, Md Abdur Rahman, Debayan Das, Santosh Ghosh, Shreyas Sen, Power and EM SCA resilience in 65nm AES-256 Exploiting Clock-Skew Dependent Variability, IEEE CICC, 2023.
  18. Debayan Das et al., EM SCA White-box Analysis Based Reduced Leakage Cell Design and Pre-Silicon Evaluation, IEEE TCAD, 2022.
  19. Nirmoy Modak et al., Debayan Das, EQS Res-HBC: Electro-Quasistatic Resonant Human Whole-Body Powering and Communication SoC, IEEE JSSC, 2022.
  20. Debayan Das et al., Placement Optimization of TDC-based Sensor for Enhanced Power Side-Channel Leakage Assessment on Cloud FPGAs, Intel DTTC, 2022.
  21. Archisman Ghosh et al., Debayan Das, Electromagnetic Analysis of Integrated On-Chip Sensing Loop for Side-Channel and Fault-Injection Attack Detection, IEEE IMS, 2022.
  22. Archisman Ghosh et al., Debayan Das, Saber Learning with Rounding based Post-Quantum Crypto Accelerator, IEEE CICC, 2022.
  23. Archisman Ghosh et al., Debayan Das, Digital Cascoded Signature Attenuation Countermeasure for EM/Power SCA Resilient AES-256, IEEE CICC, 2022.
  24. Archisman Ghosh et al., Debayan Das, EM SCA and FI Self-Awareness and Resilience with Single On-chip Loop & ML Classifiers, IEEE/ACM DATE, 2022.
  25. Debayan Das et al., EM and Power SCA-resilient AES-256 in 65nm CMOS through >350× Signature Attenuation, IEEE JSSC, 2021.
  26. Debayan Das, Shreyas Sen, EM/Power Side-Channel Attack: White-Box Modeling & Countermeasures, IEEE Design & Test, 2021.
  27. Josef Danial et al., Debayan Das, EM-X-DL: Efficient Cross-Device Deep Learning Side-Channel Attack, ACM JETC, 2021.
  28. Mayukh Nath, Debayan Das, Shreyas Sen, Multipole Approach towards On-Chip Metal Routing for Reduced EM Side-Channel Leakage, IEEE MWCL, 2021.
  29. Archisman Ghosh et al., Debayan Das, Syn-STELLAR: EM/Power SCA-Resilient AES-256 with Signature Attenuation, IEEE JSSC, 2021.
  30. Nirmoy Modak et al., Debayan Das, Resonant Electro-Quasistatic Human Body Communication SoC, IEEE CICC, 2021.
  31. Donghyun Seo et al., Debayan Das, PG-CAS: Patterned Ground Co-planar Capacitive Asymmetry Sensing for mm-range EM Side-channel Attack Probe Detection, IEEE ISCAS, 2021.
  32. Archisman Ghosh et al., Debayan Das, EM/Power SCA Resilient AES-256 with Synthesizable Signature Attenuation, IEEE ISSCC, 2021.
  33. Donghyun Seo et al., Debayan Das, Enhanced Detection Range for EM Side-channel Attack Probes utilizing Capacitive Asymmetry Sensing, IEEE/ACM DATE, 2021.
  34. Baibhab Chatterjee et al., Debayan Das, Bidirectional Neural Sensor and Stimulator SoC using Human Body Communication, IEEE VLSI Symposium, 2021.
  35. Jeremy Blackstone et al., Debayan Das, iSTELLAR: Intermittent Signature Attenuation Embedded Crypto, IEEE/ACM ICCAD, 2021.
  36. Shreyas Sen, Shovan Maity, Debayan Das, The Body is the Network: Secure Wireless Communication through Human Tissue, IEEE Spectrum, 2020.
  37. Debayan Das, Shreyas Sen, Electromagnetic and Power Side-Channel Analysis: Attacks and Countermeasures, MDPI Cryptography, 2020.
  38. S. Maity et al., Debayan Das, Sub-uW Secure Electro-Quasistatic Human Body Communication Node, IEEE JSSC, 2020.
  39. Josef Danial et al., Debayan Das, SCNIFFER: Automated Electromagnetic Side-Channel Sniffing, IEEE Access, 2020.
  40. Shovan Maity et al., Debayan Das, BodyWire-HCI: Communication Through Touch Using Human Body Channels, ACM TOCHI, 2020.
  41. Debayan Das et al., EM and Power SCA-resilient AES-256 through Signature Attenuation, IEEE ISSCC, 2020.
  42. Debayan Das et al., Deep Learning Side-Channel Attack Resilient AES-256, IEEE CICC, 2020.
  43. Debayan Das, Mayukh Nath, Shreyas Sen, Killing EM Side-Channel Leakage at its Source, IEEE MWSCAS, 2020.
  44. Debayan Das et al., Covert Body Area Network using Electro-quasistatic Communication, Nature Scientific Reports, 2019.
  45. Anupam Golder et al., Debayan Das, Cross-Device Power Side Channel Attack using Deep Learning, IEEE TVLSI, 2019.
  46. Debayan Das et al., STELLAR: EM Side-Channel Attack Protection through Root-cause Analysis, IEEE HOST, 2019.
  47. Debayan Das et al., X-DeepSCA: Cross-device Deep Learning Side Channel Attack, IEEE DAC, 2019.
  48. Debayan Das et al., ASNI: Noise Injection for Low-Overhead Power Side-Channel Immunity, IEEE TCAS-I, 2018.
  49. Baibhab Chatterjee et al., Debayan Das, RF-PUF: IoT Security Enhancement using Machine Learning, IEEE IoT Journal, 2018.
  50. Shovan Maity et al., Debayan Das, BioPhysical Modeling of Human Body Communication, IEEE TBME, 2018.
  51. Debayan Das et al., Remote Fingerprint Authentication using Human Body Communication, IEEE EMBC, 2018.
  52. Shovan Maity et al., Debayan Das, Characterization of Human Body Channel for Communication, IEEE EMBC, 2018.
  53. Baibhab Chatterjee et al., Debayan Das, RF-PUF Poster: IoT Authentication using ML, IEEE HOST, 2018.
  54. Debayan Das et al., Power Side-Channel Attack Immunity using Noise Injection, IEEE HOST, 2017.
  55. Shovan Maity et al., Debayan Das, Adaptive Interference Rejection in Human Body Communication, IEEE DATE, 2017.
  56. Shovan Maity et al., Debayan Das, Secure Human-Internet using Dynamic Human Body Communication, IEEE ISLPED, 2017.
  57. Shovan Maity et al., Debayan Das, Wearable Health Monitoring using Human Body Communication, IEEE EMBC, 2017.
  58. Sudip Misra et al., Debayan Das, AT-MAC: Adaptive MAC for Wireless Body Area Networks, IEEE TMC, 2016.
  59. Abhijit Bhattacharya et al., Debayan Das, Driver Node Estimation for Directed Complex Networks, LSCNA, 2015.
  60. Debayan Das et al., Degree-first Greedy Algorithm for Structural Controllability, Network Protocols & Algorithms, 2014.
  61. Bitan Bandyopadhyay et al., Debayan Das, Markov Chain Analysis of IEEE 802.15.6 MAC Protocol, BODYNETS, 2014.
  62. Debayan Das et al., Behavior of Complex Networks against Perturbations, IEEE INDICON, 2013.
  63. Ayan Chatterjee et al., Debayan Das, Maximum Matching Heuristic in Directed Networks, IEEE ICACCI, 2013.
  64. Bitan Bandyopadhyay et al., Debayan Das, Modified IEEE 802.15.4 for Reliable Communication, IEEE INDICON, 2013.

Media coverage:

Patents and Stats:

  • Debayan Das, Santosh Ghosh, Manoj Sastry, Attenuation and Obfuscation in Microcontroller for Mitigating Power and EM Attacks on Kyber, US Patent (filed).
  • Debayan Das, Majid Sabbagh, Rana Elnaggar, Sayak Ray, Jason Fung, Generic Synthesizable Low-overhead Countermeasure against Hardware Side-channel Attacks, US Patent App. No. 17964549, 2022.
  • Santosh Ghosh, Debayan Das, Carlos Tokunaga, Avinash Varna, Joseph Friel, Countermeasures against hardware side-channel attacks on cryptographic operations, US Patent App. No. 16456308, 2019.