I am a professor of Computer Science at Boston University in the College of Arts and Sciences. My main research interest is cryptography; I am a member of the BU Security Group and a Fellow of the IACR.

Contact: reyzin@bu.edu.

Research Papers and Talks:

• By Topic
• In Chronological Order

Standardization Efforts:

• RFC9381: Verifiable Random Functions at IRTF and IETF (Reference implementation)

Code:

• Rust implementation of Pointproofs (vector commitments with aggregation of proofs within and across commitments)
• Java implementation of finite-field arihtmetic and polynomial interpolation
• Implementation of two-party authenticated data structures based on AVL+ Merkle trees
• Implementation of RPKI Downgrade Detector
• Implementation of RSA-based Sequential Aggregate Signatures
• Implementation of PinSketch (including sublinear BCH encoding/decoding) and IJS Sketch
• Implementation of authenticated database index structures

Advocacy:

• Response to RFI on Privacy Ehnancing Technologies
• Comments on privacy in proposed US vehicle-to-vehicle (V2V) communication standards (long pdf) (short blog post)

Advanced-level teaching / survey talks:

• Tutorial on information reconciliation and privacy amplification (slides pdf pptx and videos part 1 part 2) at the IISc-IACR School on Cryptology, Jan 2018
• Tutorial on computational entropy and dense model theorem (videos) at the COST-IACR School on Randomness in Cryptography, Nov 2016
• Tutorial on pseudoentropy and pseudorandomness (videos) at the Nexus of Information and Computation Theories Program, March 2016
• Wyner's Wire-Tap Channel, Forty Years Later (slides), invited talk at TCC 2015 that provides a historical survey for privacy amplification, information reconciliation, and fuzzy extractors, March 2015

Former Postdocs:

• Foteini Baldimtsi
• Adam O'Neill

Ph.D. Students:

• Current:
  • Tolik Zinovyev
• Degree Completed:
  • Scott Russell
  • Nenad Dedić
  • Chun-Yuan Hsiao
  • Bhavana Kanukurthi
  • Benjamin Fuller
  • Yilei Chen
  • Sophia Yakoubov

Teaching:

• Spring 2024: Fundamentals of Cryptography
• Past:
  • CS 131 -- Combinatoric Structures (Spring 2018, Spring 2019, Fall 2021, Fall 2022)
  • CS 937 (same as MIT 6.889) -- New Developments in Cryptography (co-taught with several people in Spring 2011)
  • MA/CS 109 -- The Art and Science of Quantitative Reasoning (co-developed and co-taught with Professors Hall, Kolaczyk, and Bestavros, Fall 2009, Spring 2010, Fall 2010, Spring 2011, Spring 2012, Spring 2013, Fall 2013, Spring 2014)
  • Advanced Cryptography -- CAS CS 548 (Spring 2006)
  • Fundamentals of Cryptography -- CAS CS 538 (Fall 2001, 2002, 2003, 2004, 2008, 2010, 2012, 2014, 2015, 2017, 2018, 2019; Spring 2021, 2022)
  • Introduction to Analysis of Algorithms -- CAS CS 330 (Fall 2005, Spring 2005, 2003, 2004, 2015)
  • Introduction to Computer Science II -- CAS CS 112 (Spring 2002, 2007, Fall 2008, 2011, Spring 2017)
  • Graduate Initiation Seminar -- GRS CS 697, co-taught with Professor Ibrahim Matta

Service:

I am co-chairing the Crypto 2024 Program Committee (please submit good papers and/or come)

Previously: Crypto 2023 (area chair), Crypto 2022, CSCML 2021, TCC 2021, Crypto 2020 General Chair, Eurocrypt 2019, TCC 2017 (PC co-chair with Yael Tauman Kalai), Information and Computation, Eurocrypt 2017, TCC 2016-A, Crypto 2014, ICITS 2013, Eurocrypt 2013, CHES 2012, Crypto 2011, Crypto 2010, SCN 2008, TCC 2008, ICALP 2007, Track C, PKC 2006, CRYPTO 2005, ISC 2005, TCC 2005, SCN 2004, ACISP 2004, ACNS 2003