Crypto projects

Security projects

• Fair secure two-party computation
• Privacy Preserving Data Mining
• Securely combining Public Key Cryptosystems that are using related keys
• A series of works on Oblivious Transfer
• Privacy Preserving Auctions
• Copyright Protection, including Traitor Tracing Schemes and Revocation Schemes
• Multicast Security
• Distributed Pseudo-random functions and DKDCs (Distributed Key Distribution Centers)
• Secure and Efficient Metering
• Visual Cryptography

• Security and face identification
• Securing passwords against dictionary attacks
• Efficient fair protocols for P2P and email, including

• A certified email protocol with a light on-line trusted party
•  An escrow service for peer to peer networks