1562 search results - page 209 / 313 » Mathematics, Cryptology, Security |
ACNS
2008
Springer
14 years 2 months ago
2008
Springer
File-sharing worms have been terrorizing Peer-to-peer (P2P) systems in recent years. Existing defenses relying on users’ individual recoveries or limiting users’ file-sharing ...
ACNS
2007
Springer
14 years 2 months ago
2007
Springer
We present two transforms to acquire chosen ciphertext security from tag based techniques. The first one requires the separability of underlying primitives. By separability, info...
EUROCRYPT
2007
Springer
14 years 2 months ago
2007
Springer
We study an adaptive variant of oblivious transfer in which a sender has N messages, of which a receiver can adaptively choose to receive k one-after-the-other, in such a way that ...
ACNS
2006
Springer
14 years 2 months ago
2006
Springer
A coupon is an electronic data that represents the right to access a service provided by a service provider (e.g. gift certificates or movie tickets). Recently, a privacyprotectin...
ACNS
2005
Springer
14 years 1 months ago
2005
Springer
Strong security notions often introduce strong constraints on the construction of cryptographic schemes: semantic security implies probabilistic encryption, while the resistance to...