1769 search results - page 311 / 354 » Cryptography |
117
Voted
TCC
2009
Springer
16 years 2 months ago
2009
Springer
It is well known that general secure function evaluation (SFE) with information-theoretical (IT) security is infeasible in presence of a corrupted majority in the standard model. ...
106
Voted
TCC
2009
Springer
16 years 2 months ago
2009
Springer
We present the first hierarchical identity based encryption (HIBE) system that has full security for more than a constant number of levels. In all prior HIBE systems in the literat...
118
click to vote
TCC
2009
Springer
16 years 2 months ago
2009
Springer
Verifiable random functions (VRFs), introduced by Micali, Rabin and Vadhan, are pseudorandom functions in which the owner of the seed produces a public-key that constitutes a commi...
108
Voted
TCC
2009
Springer
16 years 2 months ago
2009
Springer
The concept of witness-hiding suggested by Feige and Shamir is a natural relaxation of zero-knowledge. In this paper we identify languages and distributions for which many known co...
131
Voted
TCC
2009
Springer
16 years 2 months ago
2009
Springer
Proofs of Retrievability (PoR), introduced by Juels and Kaliski [JK07], allow the client to store a file F on an untrusted server, and later run an efficient audit protocol in whi...