Teaching
Projects
  • Cryptography with Minimal Communication: PI; Funded by Mathematical Research Impact Centric Support (MATRICS), Science and Engineering Research Board (SERB), India for a period of three years; Grant Value: 2,00,000 INR per annum.
  • Secure Multi-party Computation: Feasibility and Efficiency: PI; Funded by Women Excellence Award, Science and Engineering Research Board (SERB), India for a period of three years; Grant Value: 15,00,000 INR
  • Multi-party Computation: Co-PI; Funded by Engineering and Physical Sciences Research Council (EPSRC) of United Kingdom for a period of two years starting from July 2015; Jointly with Prof. Nigel P. Smart and Dr. Ashish Choudhury; Grant Value: 70,471 GBP
  • Efficient Secure Multi-party Computation: PI; Funded by INSPIRE DST for a period of five years starting from 2015; Grant Value: 35,00,000 INR.
  • Information Security Research & Development: co-PI; Funded by Department of Electronics & Information Technology (DeitY) for a period of five years starting from 2015; Jointly with Prof. N Balakrishnan, Prof C E Veni Madhavan, Dr Bhavana Kanukurthi and Dr. Sanjit Chaterjee.
Reading Group

We conduct reading groups on exciting, trendy and classic topics in cryptography where all the lab members get together and hold interactive presentations and discussions to build deep understanding of the particular area and to initiate research.

Oblivious Transfer

The reading group on Oblivious Transfer was conducted in the summer of 2015. The logistics and useful links can be found here.

Circuit Garbling

The reading group on Circuit Garbling was conducted from March-May 2017. The logistics and useful links can be found here.

Broadcast and Byzantine Agreement

The reading group on Broadcast and Byzantine Agreement was conducted in the summer of 2017. The logistics and useful links can be found here.

Pets (Privacy Enhanced Technologies)

The reading group on Applied MPC (with focus on privacy-preserving ML) started from January 2018. The logistics and useful links can be found here.

Zero Knowledge

The reading group on Zero Knowledge started from February 2019. The logistics and useful links can be found here.

Ongoing Research Dimensions

The reading group on the ongoing research directions in the lab across students started from February 2020. The logistics and useful links can be found here.

Visits
Hosted Talks
  • 23rd January 2020. Law and Algorithms: A Cryptographic Lens. IISc, Bangalore. By Dr. Ran Canetti (Boston University, USA & Tel Aviv University, Israel). [Details]
  • 17th January 2020. Secure Multiparty Computation. IISc, Bangalore. By Dr. Yuval Ishai (Technion, Israel). [Details]
  • 29th October 2019. Minicrypt Primitives with Algebraic Structure. IISc, Bangalore. By Dr. Sikhar Patranabis (PhD, IIT Kharagpur). [Details]
  • 26th and 28th February 2019. Proof-of-Stake for Blockchain. IISc, Bangalore. By Dr. Chaya Ganesh (Aarhus University, Denmark). [Details]
  • 22nd November 2018. Proofs of Replicated Storage Without Timing Assumptions. IISc, Bangalore. By Dr. Chaya Ganesh (Aarhus University, Denmark). [Details]
  • 15th November 2018. LevioSA: Lightweight Secure Arithmetic Computation. IISc, Bangalore. By Prof. Muthuramakrishnan Venkitasubramaniam (University of Rochester, USA). [Details]
  • 22nd October 2018. Result Pattern Hiding Searchable Encryption for Conjunctive Queries. IISc, Bangalore. By Prof. Debdeep Mukhopadhyay (IIT Kharagpur). [Details]
  • 15th November 2017. Actively Secure Garbled Circuits with Constant Communication Overhead in the Plain Model. IISc, Bangalore. By Dr. Carmit Hazay (Bar-Ilan University, Israel). [Details]
Talks
  • 26th February 2020. BLAZE: Blazing Fast Privacy-Preserving Machine Learning. NDSS 2020, San Diego, California. By Ajith Suresh.
  • 26th February 2020. Trident: Efficient 4PC Framework for Privacy Preserving Machine Learning. NDSS 2020, San Diego, California. By Ajith Suresh.
  • 14th February 2020. ASTRA: High Throughput 3PC over Rings with Application to Secure Prediction. IRISS 2020, IIT Gandhinagar. By Ajith Suresh.
  • 23rd December 2019. Secure Multi-party Computation. NISER Bhuvaneshwar. By Arpita Patra.
  • 9th December 2019. Beyond Honest Majority: The Round Complexity of Fair and Robust Multi-party Computation. ASIACRYPT 2019. By Divya Ravi.
  • 2nd December 2019. Secure Multi-party Computation beyond Abort. IIT Ropar. By Arpita Patra.
  • 25th November 2019. ASTRA: High Throughput 3PC over Rings with Application to Secure Prediction. TU Darmstadt, Germany. By Ajith Suresh.
  • 13th November 2019. Fast Actively-Secure Five-Party Computation with Security Beyond Abort. CCS 2019. By Arpita Patra.
  • 11th November 2019. ASTRA: High Throughput 3PC over Rings with Application to Secure Prediction. CCSW 2019. By Harsh Chaudhari.
  • 6th September 2019. The Round Complexity Landscape of Secure Computation. IIT Kharagpur. By Arpita Patra.
  • July 2019. How to choose a thesis topic for theory research. ACM India Grad Cohort 2019. IIT Delhi. By Arpita Patra.
  • 26th June 2019. Cryptography and Machine Learning: Past, Present and Future. ACM India summer school on Algorithmic and Theoretical aspects of Machine learning. IIIT Bangalore. By Arpita Patra. [Video][Details]
  • 20th June 2019. Invited talk on The Round Complexity Landscape of Secure Computation. TPMPC 2019. Bar-Ilan University, Israel. By Arpita Patra.
  • 17th January 2019. CROSSING Research Seminar. Technische Universität Darmstadt, Germany. By Arpita Patra. [Details]
  • 10th January, 2019. Fast Secure Computation for Small Population over the Internet. "Fairness and Privacy" Workshop. IISc, Bangalore. By Arpita Patra. [Details]
  • December 2018. Cryptography and Machine Learning: Past, Present and Future. IIT Kharagpur. By Arpita Patra.
  • 26th November 2018. Cryptography and Machine Learning: Past, Present and Future. LNM Institute of Information Technology, Jaipur. By Arpita Patra. [Details]
  • 27th October 2018. Guest Tech Talk - Cryptography and Machine Learning: Past, Present and Future. International Society of Automation, Bangalore. By Arpita Patra. [Details]
  • 22nd October 2018. Adaptively Secure Primitives in the Random Oracle Model (M.Sc Engg Defence). IISc, Bangalore. By Pratik Sarkar.
  • 17th October 2018. Fast Secure Computation for Small Population over the Internet. ACM CCS 2018, Toronto, Canada. By Megha Byali. [Video][Slides]
  • 12th October 2018. CSA Faculty Colloquium - Cryptography and Machine Learning: Past, Present and Future. IISc, Bangalore. By Arpita Patra. [Details][slides]
  • 7th September 2018. Secure Multi-party Computation. National Workshop on Cryptology 2018, CR Rao Advanced Institute of Mathematics, Statistics and Computer science, Hyderabad. By Arpita Patra.
  • 20th August 2018. On the Exact Round complexity of Secure Three-party Computation. CRYPTO'18, Santa Barbara, USA. By Divya Ravi. [Video, Slides]
  • 6th July 2018. Privacy-Free Garbled Circuits for Formulas: Size Zero and Information-Theoretic, Crypto Summer Day Program, 2018, Aarhus University, Denmark. By Arpita Patra.
  • 6th July 2018. On the power of Hybrid Network in Multi-party Computation, Crypto Summer Day Program, 2018, Aarhus University, Denmark. By Divya Ravi.[ppt]
  • 29th May 2018. On the Exact Round Complexity of Three-party Computation, Contributed talk at Theory and Practice of Multi-party Computation (TPMPC), 2018, Aarhus, Denmark. By Arpita Patra. [Video][more]
  • 9th April 2018. Adaptively Secure Primitives in the Random Oracle Model, IISc, India. By Pratik Sarkar.
  • 16th March 2018. Multi-party Computation, IEEE CONECCT 2018, Bangalore, India. By Arpita Patra.
  • May and June 2017. OT and GMW MPC, ISEA Workshop on Cryptography, IISc, India. By Divya Ravi. [ppt]
  • May and June 2017. Secret Sharing and Information Theoretic MPC, ISEA Workshop on Cryptography, IISc, India. By Divya Ravi. [ppt]
  • May and June 2017. OT Extensions, ISEA Workshop on Cryptography, IISc, India. By Arpita Patra.
  • May and June 2017. Garbled Circuit and Yao Two Party Computation, ISEA Workshop on Cryptography, IISc, India. By Arpita Patra.
  • May and June 2017. Computing on Private Data aka Multi-Party Computation, ISEA Workshop on Cryptography, IISc, India. By Arpita Patra. [ppt]
  • March and April 2017. Fast Actively Secure OT Extension for Short Secrets. MPC School and Workshop, IIT Bombay, India and Theory and Practice of Multi-Party Computation Workshop, Bristol, UK. By Arpita Patra. [ppt]
  • March 2017. Garbled Circuit and Yao’s Two-party Computation. MPC School and Workshop, IIT Bombay, India. By Arpita Patra. [Video, PDF]
  • March 2017. Oblivious Transfer and Extensions. MPC School and Workshop, IIT Bombay,India. By Arpita Patra. [PDF]
  • February 2017. Fast Actively Secure OT Extension for Short Secrets. NDSS Symposium 2017, San Diego, California, USA. By Ajith S. [Video, PDF]
  • March 2016. A Tribute to Diffie and Hellman: The Winners of Turing Award 2015. Dept of Computer Science & Automation, IISc, India. By Arpita Patra. [Video]
  • February 2015. Introduction to Cryptography. Workshop on Introduction to Cryptography, IISc, India. By Arpita Patra.
  • February 2015. Perfect Security. Workshop on Introduction to Cryptography, IISc, India. By Arpita Patra.
  • February 2015. PRF and CPA-Security of SKE.Workshop on Introduction to Cryptography, IISc, India. By Arpita Patra.
  • February 2015. Introduction to Secure Computation. Workshop on Topics in Cryptography, IISc, India. By Arpita Patra.
  • February 2015. Secret Sharing and Information-Theoretic Secure Computation. Workshop on Topics in Cryptography, IISc, India. By Arpita Patra.
  • November 2015. Multiparty Computation Annual Meeting of Indian Academy of Sciences, IISER Pune, India. By Arpita Patra.
  • September 2015. Linear Overhead Multiparty Computation National Workshop on Cryptology 2015, KIT, Bhubaneswar, India. By Arpita Patra.
  • August 2015. Linear Overhead Multiparty Computation with Honest Majority. IIIT Delhi, India. By Arpita Patra.
  • December 2014. Verifiable Secret Sharing. Recent Advances in Cryptography Workshop, IIT Delhi, India. By Arpita Patra.
  • October 2014. A simple and Efficient Framework for Secure Multiparty Computation. Indo-Russian Workshop on Discrete Mathematics, Algebra, Number Theory and their Applications, Moscow State University, Russia. By Arpita Patra.
Events
Upcoming
  • May 25-28, 2020: Theory and Practice of Multi-Party Computation Workshop (TPMPC 2020) [Link].

Past
  • Febuary 17-20, 2020: The 10th BIU Winter School on Cryptography [Link].
  • January 19-22, 2020: Workshop on Secure Multiparty Computation: Theory and Practice [Link].
  • January 4-7, 2020: International Conference on Distributed Computing and Networking (ICDCN) 2020.
  • June 17-20, 2019: Theory and Practice of Multi-Party Computation (TPMPC) 2019.
  • December 11-13, 2017: Indocrypt 2017.
  • May 29, 2017-June 2, 2017. ISEA Workshop on Cryptography, IISc, India.
  • April 3-7, 2017. Theory and Practice of Multi-Party Computation(TPMPC) Workshop, Bristol, UK.
  • March 27-31, 2017. NMI Workshop on Secure Multi-Party Computation, IITB, Mumbai, India.
  • February 26,2017-March 1,2017 Network and Distributed System Security (NDSS) Symposium, San Diego, USA.