Research

Recent Conference Publications

• Cryptographic Complexity Classes and Computational Complexity Assumptions (With Hemanta Maji and Mike Rosulek. To appear in ICS 2010.)
• Exploring the Limits of Trusted Coins Using Frontier Analysis (With Hemanta Maji and Pichayoot Ouppaphan. Manuscript.)
• A Zero-One Law for Deterministic 2-Party Secure Computation (With Hemanta Maji and Mike Rosulek. Manuscript)
• Attribute-Based Signatures (With Hemanta Maji, Mike Rosulek and Amit Sahai. Old version)
• Attribute-Sets: A Practically Motivated Enhancement to Attribute-Based Encryption (ESORICS 2009. With Rakesh Bobba and Himanshu Khurana.)
• Secure Arithmetic Computation with No Honest Majority (TCC 2009. With Yuval Ishai and Amit Sahai)
• Complexity of Multiparty Computation Problems: The Case of 2-Party Symmetric Secure Function Evaluation (TCC 2009. With Hemanta Maji and Mike Rosulek)
• Statistically Hiding Sets (CT-RSA 2009. With Rui Xue)
• Towards Robust Computation on Encrypted Data (ASIACRYPT 2008. With Mike Rosulek)
• Founding Cryptography on Oblivious Transfer -- Efficiently (CRYPTO 2008. With Yuval Ishai and Amit Sahai)
• Cryptographic Complexity of Multiparty Computation Problems: Classifications and Separations (CRYPTO 2008. With Mike Rosulek)
• Homomorphic Encryption with CCA Security (ICALP 2008. With Mike Rosulek)
• Rerandomizable RCCA Encryption (CRYPTO 2007. With Mike Rosulek)
• Concurrent Non-Malleable Zero-Knowledge (FOCS 2006. With Boaz Barak and Amit Sahai)
• Private Circuits II: Keeping Secrets in Tamperable Circuits (EUROCRYPT 2006. With Yuval Ishai, Amit Sahai and David Wagner)
• Resource Fairness and Composability of Cryptographic Protocols (TCC 2006. With Juan Garay, Phil MacKenzie and Ke Yang)

Old research page at Princeton.

Ph.D. thesis.