For more details about my research, and more informal descriptions of my papers, click here For copies of papers not available here, please send me email
"Applied Cryptography and Network Security (ACNS) 2007" (edited volume), with M. Yung
Springer-Verlag, 2007
Book chapters
"Cryptography"
In Wiley Encyclopedia of Computer Science and Engineering, B.W. Wah, ed., John Wiley & Sons, Inc., 2008.
"Symmetric-Key Encryption"
In Handbook of Information Security, H. Bidgoli, ed.,
John Wiley & Sons, Inc., 2005.
"Cryptography"
In The Computer Science and Engineering Handbook, 2nd edition, A. Tucker, ed., CRC Press, 2004.
Journal articles
Published/Awaiting Publication
"On Expected Constant-Round Protocols for Byzantine Agreement," with Chiu-Yuen Koo
Journal of Computer and System Sciences, to appear.
The full version is available.
"Ring Signatures: Stronger Definitions, and Constructions without Random Oracles," with Adam Bender and Ruggero Morselli
Journal of Cryptology, to appear.
The full version is available.
"Reducing Complexity Assumptions for Statistically-Hiding Commitment," with Iftach Haitner, Omer Horvitz, Chiu-Yuen Koo, Ruggero Morselli, and Ronen Shaltiel
Journal of Cryptology, to appear. A full version is available. Note: this version differs from what will be published (most notably in Section 4).
"Handling Expected Polynomial-Time Strategies in Simulation-Based Security Proofs," with Yehuda Lindell
Journal of Cryptology 21(3): 303-349, 2008.
The full version is available.
"Efficient Signature Schemes with Tight Security Reductions to the Diffie-Hellman Problems," with Eu-Jin Goh, Stanislaw Jarecki, and Nan Wang
Journal of Cryptology 20(4): 493-514, 2007. The
full version is available.
"A Forward-Secure Public-Key Encryption Scheme," with Ran Canetti and Shai Halevi
Journal of Cryptology 20(3): 265-294, 2007.
The full version is available.
"Scalable Protocols for Authenticated Group Key Exchange," with Moti Yung
Journal of Cryptology 20(1): 85-113, 2007.
The full version is available.
"Chosen-Ciphertext Security From Identity-Based Encryption," with Dan Boneh, Ran Canetti, and Shai Halevi
SIAM Journal on Computing 36(5): 1301-1328, 2007. The full version is available.
"Characterization of Security Notions for Probabilistic Private-Key Encryption," with Moti Yung
Journal of Cryptology 19(1): 67-96, 2006.
The full version is available.
"A Pairwise Key Pre-Distribution Scheme for Wireless Sensor Networks," with Wenliang Du, Jing Deng, Yunghsiang S. Han, Pramod K. Varshney, and Aram Khalili
ACM Transactions on Information and System Security 8(2): 228-258, 2005. The full version is available.
"Bounds on the Efficiency of Generic Cryptographic Constructions," with Rosario Gennaro, Yael Gertner, and Luca Trevisan
SIAM Journal on Computing 35(1): 217-246, 2005. The full version is available.
In Preparation
"Efficient and Secure Authenticated Key Exchange Using Weak Passwords," with Rafail Ostrovsky and Moti Yung
Accepted to Journal of the ACM (pending revisions). A preliminary full version is available.
"Bounds on the Efficiency of 'Black-Box' Commitment Schemes," with Omer Horvitz
Accepted to Theoretical Computer Science (pending revisions). A preliminary full version is available.
"On Constructing Universal One-Way Hash Functions from Arbitrary One-Way Functions," with Chiu-Yuen Koo
Accepted to Journal of Cryptology (pending revisions).
A preliminary full version is available.
"Two-Server Password-Only Authenticated Key Exchange," with Phil MacKenzie, Gelareh Taban, and Virgil Gligor
In submission. A preliminary full version is available.
"Parallel and Concurrent Security of the HB and HB+ Protocols," with Ji-Sun Shin and Adam Smith
In submission.
A preliminary full version is available.
"Complete Fairness in Secure Two-Party Computation," with S. Dov Gordon, Carmit Hazay, and Yehuda Lindell
In submission.
An extended preliminary full version is available.
"Predicate Encryption Supporting Disjunctions, Polynomial Equations, and Inner Products," with Amit Sahai and Brent Waters
One of 4 papers from Eurocrypt 2008 invited to the Journal of Cryptology.
A preliminary full version is available.
"Which Languages Have 4-Round Zero-Knowledge Proofs?"
One of 3 papers from TCC 2008 invited to the Journal of Cryptology.
A preliminary full version is available.
"Improving the Round Complexity of VSS in Point-to-Point Networks," with Chiu-Yuen Koo and Ranjit Kumaresan
In submission.
A preliminary full version is available.
"Efficient Cryptographic Protocols Based on the Hardness of Learning Parity with Noise"
Invited paper, 11th IMA International
Conference on Cryptography and Coding Theory, 2007
"Round Complexity of Authenticated Broadcast with a Dishonest Majority," with Juan Garay, Chiu-Yuen Koo, and Rafail Ostrovsky
IEEE Symposium on Foundations of Computer Science (FOCS) 2007 The proceedings version is available.
"Exploiting Approximate Transitivity of Trust," with Ruggero Morselli, Bobby Bhattacharjee, and Michael Marsh
Invited paper, BroadNets 2007
"Rational Secret Sharing, Revisited," with S. Dov Gordon
Security and Cryptography for Networks 2006 (An extended abstract of this work was also accepted for presentation at NetEcon 2006)
"On Expected Constant-Round Protocols for Byzantine Agreement," with Chiu-Yuen Koo
Crypto 2006 A preliminary full version is available. An older version is available from the
eprint archives.
"Reliable Broadcast in Radio Networks: The Bounded Collision Case," with Chiu-Yuen Koo, Vartika Bhandari, and Nitin Vaidya
PODC 2006
"Parallel and Concurrent Security of the HB and HB+ Protocols," with Ji Sun Shin
Eurocrypt 2006 The full version is available.
"Ring Signatures: Stronger Definitions, and Constructions without Random Oracles," with Adam Bender and Ruggero Morselli
3rd Theory of Cryptography Conference (TCC) 2006 A version available on eprint is an extended version of what appeared in the proceedings. The full version is available above.
"Modeling Insider Attacks on Group Key-Exchange Protocols," with Ji Sun Shin
ACM Conference on Computer and Communications Security 2005 The full version and the presentation given at the conference are available.
"Secure Remote Authentication Using Biometric Data," with Xavier Boyen, Yevgeniy Dodis, Rafail Ostrovsky, and Adam Smith
Eurocrypt 2005 A revised version is available. (Note: this is essentially the same as the proceedings version, except that some mistakes have been fixed.)
"A Game-Theoretic Framework for Analyzing Trust-Inference Protocols," with Ruggero Morselli and Bobby Bhattacharjee
Second Workshop on the Economics of Peer-to-Peer Systems, 2004
A preliminary manuscript is available, as well as the presentation that was given at the P2Pecon workshop. A full(er) version of the paper is available on request.
This is a work in progress, and I would appreciate any comments or suggestions.
"One-Round Protocols for Two-Party Authenticated Key Exchange," with Ik Rae Jeong and Dong Hoon Lee
Applied Cryptography and Network Security (ACNS) 2004 A full version is available.
"Trust Preserving Set Operations," with Ruggero Morselli, Bobby Bhattacharjee, and Pete Keleher
IEEE Infocom 2004
"A Generic Construction for Intrusion-Resilient Public-Key Encryption," with Yevgeniy Dodis, Matt Franklin, Atsuko Miyaji, and Moti Yung
RSA 2004 --- Cryptographers' Track.
"Incremental and Unforgeable Encryption," with Enrico Buonanno and Moti Yung
Fast Software Encryption 2001
"Efficient Password-Authenticated Key Exchange Using Human-Memorizable Passwords," with Rafail Ostrovsky and Moti Yung
Eurocrypt 2001 A preliminary full version is available above. An older version is available at the eprint archives.
"A Chosen-Ciphertext Attack against Several E-mail Encryption Protocols," with Bruce Schneier
USENIX Security Symposium 2000
"Unforgeable Encryption and Chosen-Ciphertext-Secure Modes of Operation," with Moti Yung
Fast Software Encryption 2000
"Complete Characterization of Security Notions for Probabilistic, Private-Key Encryption," with Moti Yung
ACM Symposium on Theory of Computing (STOC) 2000 The full version is available above
"On the Efficiency of Local Decoding Procedures for Error-Correcting Codes," with Luca Trevisan
ACM Symposium on Theory of Computing (STOC) 2000
Manuscripts
"Collusion-Free Multiparty Computation in the Mediated Model," with Yehuda Lindell
"KeyChains: A Decentralized Public-Key Infrastructure," with Ruggero Morselli, Bobby Bhattacharjee, and Mike Marsh
Technical Report CS-TR-4788, Department of Computer Science, University of Maryland, 2006. Also filed as UMIACS-2006-12.