When a computer program requires legitimate access to confidential data, the question arises whether such a program may illegally reveal sensitive information. This paper proposes...
Due to the widespread software piracy and virus attacks, significant efforts have been made to improve security for computer systems. For stand-alone computers, a key observation...
We propose a new public key trace and revoke scheme secure against adaptive chosen ciphertext attack. Our scheme is more efficient than the DF scheme suggested by Y. Dodis and N. F...
Sander, Young and Yung recently exhibited a protocol for computing on encrypted inputs, for functions computable in NC1 . In their variant of secure function evaluation, Bob (the &...
We propose a peer-to-peer architecture designed to overcome asymmetries in upload/download speeds that are typical in end-user dialup, broadband and cellular wireless Internet con...
Sachin Agarwal, Moshe Laifenfeld, Ari Trachtenberg...