Information Security Institute and
Department of Computer Science
The Johns Hopkins University
3400 N. Charles St.
Baltimore, MD 21218
Office: 410-516-8051
Fax: 410-516-6134
My PGP key
My research focuses on Applied Cryptography and Network Security.
Recent Papers:
Key-Private Proxy
Re-Encryption (with K. Benson and S. Hohenberger).
RSA Conference 2009, Cryptographers' Track (CT-RSA '09), 2009.
Full version.
Cryptology ePrint Archive Report 2008/463.
Universally Anonymous IBE based on the Quadratic Residuosity Assumption (with P. Gasti).
RSA Conference 2009, Cryptographers' Track (CT-RSA '09), 2009.
Scalable and Efficient Provable Data Possession (with R. Di Pietro, L.
V. Mancini, and G. Tsudik).
Security and Privacy in Communication Networks (SecureComm '08), 2008.
MR. PDP: Multiple-replica provable
data possession (with R. Curtmola, O. Khan, and R. Burns).
International Conference on Distributed Computing Systems (ICDCS '08), 2008.
Provable Data Possession at
Untrusted Stores (with R. Burns, R. Curtmola, J. Herring, L.
Kissner, Z. Peterson, and D. Song).
ACM Conference on Computer and Communications Security (CCS '07), 2007.
Full version.
Cryptology ePrint Archive Report 2007/202.
Identity-Based Proxy
Re-encryption (with M. Green).
Applied Cryptography and Network Security (ACNS '07), 2007.
Cryptology ePrint Archive Report 2006/473.
Secret Handshakes with Dynamic and Fuzzy
Matching (with M. Blanton and J. Kirsch).
Network annd Distributed System Security Symposium (NDSS '07), 2007.
Design and Implementation of
Verifiable Audit Trails for a Versioning
File System (with Z. Peterson, R. Burns, and S. Bono).
USENIX Conference on File and Storage Technolgoies (FAST '07), 2007.
Provably-Secure Time-Bound Hierarchical
Key Assignment Schemes (with A. De Santis, A. L. Ferrara, and B. Masucci).
ACM Conference on Computer and Communications Security (CCS '06), 2006.
Full version.
Cryptology ePrint Archive Report 2006/225.
Practical Group Signatures without
Random Oracles (with J. Camenisch, S. Hohenberger, and B. de Medeiros).
Cryptology ePrint Archive Report 2005/385.
Proxy Re-Signatures:
New Definitions, Algorithms, and Applications (with Susan Hohenberger).
ACM Conference on Computer and Communications Security (CCS '05), 2005.
Full version.
Cryptology ePrint Archive Report 2005/433.
Untraceable RFID Tags via
Insubvertible Encryption (with J. Camenisch and B. de Medeiros).
ACM Conference on Computer and Communications Security (CCS '05), 2005.
Verifiable Audit Trails for a
Versioning File System (with R. Burns, Z. Peterson, and S. Bono).
Short paper in ACM Workshop on Storage Security and Survivability (StorageSS '05), 2005.
Sanitizable Signatures (with D. Chou,
B. de Medeiros, and G. Tsudik).
European Symposium on Research in Computer Security (ESORICS '05), 2005.
Survivable Monitoring
in Dynamic Networks (with C. Riley and C. Scheideler).
IEEE Transactions on Mobile Computing, 2005.
Conference version in IEEE International Information Assurance Workshop (IWIA '04).
Improved Proxy
Re-Encryption Schemes with Applications to Secure
Distributed Storage (with K. Fu, M. Green, and S. Hohenberger).
ACM Transactions on Information and System Security (TISSEC), 2006.
Conference version in Network and Distributed
System Security Symposium (NDSS '05), 2005.
Cryptology ePrint Archive Report 2005/028.
SPAR Lab @
JHU Information Security Institute
Lab phone: 410-516-7517
Proxy Re-cryptography (NSF, Co-PI, PI: Susan Hohenberger).
Please visit the web page of the
JHU-MIT Proxy Re-cryptography Library.
Digital Archiving and Long-Term Preservation (DIGARCH) (NSF, Co-PI, PI: Randal Burns).
Please visit the web page of the Hopkins Storage Systems Lab (HSSL).
My little princess Sarah