Research Papers

Reports

• U.S. House of Representatives Financial Services Committee: the Role of Big Data in Financial Services
  Seny Kamara
  (testimony, video)

• National Academies Report: Decrypting the Encryption Debate.
  F. Cate (Chair), D. Boneh, F. Chang, S. Charney, S. Goldwasser, D. Hoffman, S. Kamara, D. Kris, S. Landau, S. Lipner, R. Littlehale, K. Martin, H. Rishikof, P. Weinberger.
  (report, overview@Lawfare)

• Future Directions in Computing on Encrypted Data
  Nigel Smart (ed), D. Archer, D. Bogdanov, A. Boldyreva, S. Kamara, F. Kerschbaum, Y. Lindell, S. Lu, J. B. Nie lsen, R. Ostrovsky, J. Pagter, A.-R. Sadeghi, A. Waller.
  European Union ECRYPT Project.
  (report)

Conference Papers

• Outside Looking In: Approaches to Content Moderation in End-to-End Encrypted Systems
  Seny Kamara, Mallory Knodel, Emma Llansó, Greg Nojeim, Lucy Qin, Dhanaraj Thakur, Caitlin Vogus
  Report for Center for Democracy and Technology ‘21
  (report pdf)

• Cryptanalysis of Encrypted Search with LEAKER: A framework for LEakage AttacK Evaluation on Real-world data
  Seny Kamara, Abdelkarim Kati, Tarik Moataz, Thomas Schneider, Amos Treiber, Michael Yonli
  IACR ePrint
  (full pdf)

• Structured Encryption and Dynamic Leakage Suppression
  Marilyn George, Seny Kamara, Tarik Moataz
  Eurocrypt ‘21
  (proceedings pdf)

• A Decentralized and Encrypted National Gun Registry
  Seny Kamara, Tarik Moataz, Andrew Park, Lucy Qin
  IEEE Symposium on Security and Privacy (Oakland) ‘21
  (full pdf)

• Encrypted Databases: From Theory to Practice
  Zheguang Zhao, Seny Kamara, Tarik Moataz, Stan Zdonik
  Conference on Innovative Data Systems Research (CIDR) ‘21
  (proceedings pdf)

• Adversarial Level Agreements for Two-Party Protocols
  Marilyn George, Seny Kamara
  IACR ePrint
  (full pdf)

• Encrypted Key Value Stores
  Archita Agarwal, Seny Kamara
  Indocrypt ‘20
  (proceedings pdf)

• Encrypted Blockchain Databases
  Daniel Adkins, Archita Agarwal, Seny Kamara, Tarik Moataz
  Advances in Financial Technologies ‘20
  (full pdf, blog)

• Towards Untrusted Social Video Verification to Combat Deepfakes via Face Geometry Consistency
  Eleanor Tursman, Marilyn George, Seny Kamara, James Tompkin
  Media Forensics CVPR Workshop ‘20
  (proceedings pdf, Eleanor’s Talk)

• An Optimal Relational Database Encryption Scheme
  Seny Kamara, Tarik Moataz, Stan Zdonik, Zheguang Zhao
  IACR ePrint
  (full pdf)

• Encrypted Distributed Hash Tables
  Archita Agarwal, Seny Kamara
  IACR ePrint
  (full pdf, blog, Archita’s talk)

• Revisiting Leakage-Abuse Attacks
  Laura Blackstone, Seny Kamara, Tarik Moataz
  NDSS ‘20
  (full pdf)

• Computationally Volume-Hiding Structured Encryption
  Seny Kamara, Tarik Moataz
  Eurocrypt ‘19
  (full pdf)

• Forward and Backward Private Searchable Encryption with SGX
  Ghous Amjad, Seny Kamara, Tarik Moataz
  Eurosec ‘19
  (proceedings pdf)

• Encrypted Databases for Differential Privacy
  Archita Agarwal, Maurice Herlihy, Seny Kamara, Tarik Moataz
  PETS ‘19
  (full pdf)

• Breach-Resistant Structured Encryption
  Ghous Amjad, Seny Kamara, Tarik Moataz
  PETS ‘19
  (full pdf)

• SQL on Structurally-Encrypted Databases
  Seny Kamara, Tarik Moataz
  Asiacrypt ‘18
  (full pdf)
  3rd most influential paper in cryptography from 2018

• Structured Encryption and Leakage Suppression
  Seny Kamara, Tarik Moataz, Olya Ohrimenko
  CRYPTO ‘18
  (proceedings pdf)

• Boolean Searchable Symmetric Encryption with Worst-Case Sub-Linear Complexity
  Seny Kamara, Tarik Moataz
  Eurocrypt ‘17
  (proceedings pdf)

• Leakage-Resilient Identification Schemes from Zero-Knowledge Proofs of Storage
  G. Ateniese, A. Faonio, S. Kamara
  IMA International Conference on Cryptography and Coding (IMACC ‘15)

• Inference Attacks Against Property-Preserving Encrypted Databases
  Muhammad Naveed, Seny Kamara, Charles Wright
  Conference on Computer and Communications Security (CCS ‘15)
  Invited to Real-World Crypto, 2016
  (proceedings pdf)
  10th most influential paper in information security from 2015

• GRECS: Graph Encryption for Approximate Shortest Distance Queries
  Xianrui Meng, Seny Kamara, Kobbi Nissim, George Kollios
  Conference on Computer and Communications Security (CCS ‘15)
  (full version pdf)

• Co-Location-Resistant Clouds
  Y. Azar, S. Kamara, I. Menache, M. Raykova and B. Shepherd
  ACM Cloud Computing Security Workshop (CCSW ‘14)
  (full version pdf)

• Encrypted Search
  Seny Kamara
  ACM XRDS
  (tech report pdf)

• Restructuring the NSA Metadata Program
  Seny Kamara
  Workshop on Applied Homomorphic Cryptography (WAHC ‘14)
  (proceedings pdf)

• Scaling Private Set Intersection to Billion Element Sets
  Seny Kamara, Payman Mohassel, Mariana Raykova and Saeed Sadeghian
  Financial Cryptography and Data Security (FC'14)
  (proceedings pdf)

• Tight Bounds for Online Vector Bin Packing
  Y. Azar, I. Cohen, S. Kamara and B. Shepherd
  ACM Symposium on the Theory of Computing (STOC ‘13)

• Garbled Circuits via Structured Encryption
  Seny Kamara and Lei Wei
  Workshop on Applied Homomorphic Cryptography (WAHC ‘13)
  (proceedings pdf)

• Parallel Homomorphic Encryption (or MapReduce/Hadoop on Encrypted Data)
  Seny Kamara and Mariana Raykova
  Workshop on Applied Homomorphic Cryptography (WAHC ‘13)
  (proceedings pdf; full pdf)

• Parallel and Dynamic Searchable Symmetric Encryption
  Seny Kamara and Charalampos Papamanthou
  Financial Cryptography and Data Security (FC ‘13)
  (full pdf)

• Salus: A System for Server-Aided Secure Function Evaluation
  Seny Kamara, Payman Mohassel and Ben Riva
  Conference on Computer and Communications Security (CCS ‘12)
  (full pdf)

• Dynamic Searchable Symmetric Encryption
  Seny Kamara, Charalampos Papamanthou and Tom Roeder
  Conference on Computer and Communications Security (CCS ‘12)
  (full pdf)
  7th most influential paper in information security from 2012

• Secure Outsourced Computation in a Multi-Tenant Cloud
  S. Kamara and M. Raykova
  Workshop on Cryptography and Security in Clouds, 2011
  (proceedings pdf)

• Cryptographic Cloud Storage
  Seny Kamara and Kristin Lauter
  Workshop on Real-Life Cryptographic Protocols and Standardization, 2010
  (proceedings pdf)

• An Inspection-Resistant On-Chip Memory Architecture
  M. Chase, S. Kamara, A. Putnam, T. Sherwood, D. Shumow and V. Vaikuntanathan International Symposium on Computer Architecture (ISCA ‘12)
  IEEE Micro Top Picks in Computer Architecture 2013

• Trustworthy from Silicon Up
  M. Chase, S. Kamara, A. Putnam, T. Sherwood, D. Shumow and V. Vaikuntanathan
  New Directions in Computer Architecture, 2011

• Structured Encryption and Controlled Disclosure
  Melissa Chase and Seny Kamara
  Advances in Cryptology - ASIACRYPT ‘10
  (full pdf)

• Proofs of Storage from Homomorphic Identification Protocols
  G. Ateniese, S. Kamara, J. Katz
  ASIACRYPT ‘09

• Towards Practical Biometric Key Generation with Randomized Biometric Templates
  L. Ballard, S. Kamara, F. Monrose, M. Reiter
  ACM Conference on Computer and Communications Security (CCS ‘08)

• The Practical Subtleties of Biometric Key Generation
  L. Ballard, S. Kamara, F. Monrose, M. Reiter
  USENIX Security Symposium (Usenix ‘08)

• How to Encrypt with a Malicious Random Number Generator
  S. Kamara, J. Katz
  Workshop on Fast Software Encryption (FSE ‘08)

• Searchable Symmetric Encryption: Improved Definitions and Efficient Constructions
  Reza Curtmola, Juan Garay, Seny Kamara and Rafail Ostrovsky.
  Conference on Computer and Communications Security (CCS ‘06)
  Journal of Computer Security
  (full pdf)
  21st most influential paper in information security since 1981
  2nd most influential paper in information security from 2006

• A Mechanism for Communication-Efficient Broadcast Encryption Over Wireless Ad-Hoc Networks
  R. Curtmola, S. Kamara
  Workshop on Cryptography in Ad Hoc Networks (WCAN ‘06)

• Key Regression: Enabling Efficient Key Distribution for Secure Distributed Storage
  K. Fu, S. Kamara, T. Kohno
  Network and Distributed System Security Symposium (NDSS ‘06)

• Achieving Secure Conjunctive Searches over Encrypted Data
  L. Ballard, S. Kamara, F. Monrose
  International Conference on Information and Communicationis Security (ICICS ‘05)

• Secret Locking: A New Approach to Biometric Key Encapsulation
  S. Kamara, B. de Medeiros, S. Wetzel
  International Conference on E-business and Telecommunication Networks (ICETE 2005)

• An Extensible Platform for Evaluating Security Protocols
  S. Kamara, D. Davis, L. Ballard, R. Caudy, F. Monrose
  Annual IEEE Simulation Symposium (IEEE ANSS ‘05)

• ActiveSync, TCP/IP and 802.11 Wireless Vulnerabilities of WinCE-based PDAs P. Meunier, S. Nystrom, S. Kamara, S. Yost, K. Alexander, D. Noland, J. Crane.
  IEEE International Workshops on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE 02)