11 search results - page 1 / 3 » Lower Bounds for Subset Cover Based Broadcast Encryption |
AFRICACRYPT
2008
Springer
13 years 10 months ago
2008
Springer
ASIACRYPT
2005
Springer
13 years 10 months ago
2005
Springer
ACNS
2006
Springer
13 years 10 months ago
2006
Springer
Abstract. This paper describes a method to convert stateless key revocation schemes based on the subset cover principle into stateful schemes. The main motivation is to reduce the ...
FOCS
2006
IEEE
13 years 10 months ago
2006
IEEE
A family of subsets C of [n] def = {1, . . . , n} is (r, t)exclusive if for every S ⊂ [n] of size at least n − r, there exist S1, . . . , St ∈ C with S = S1∪S2∪· · · ...
ASIACRYPT
2003
Springer
13 years 9 months ago
2003
Springer
Abstract. We study two closely related primitives: Broadcast Encryption and Key Predistribution Schemes (KPS). Broadcast Encryption allows a broadcaster to broadcast an encrypted m...