324 search results - page 50 / 65 » A new signature scheme without random oracles |
TIFS
2010
13 years 3 months ago
2010
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other secu...
SIAMCOMP
2010
13 years 6 months ago
2010
Let G = (V, E) be a weighted undirected graph having non-negative edge weights. An estimate ˆδ(u, v) of the actual distance δ(u, v) between u, v ∈ V is said to be of stretch t...
WCC
2005
Springer
14 years 1 months ago
2005
Springer
A secret handshake mechanism allows two entities, members of a same group, to authenticate each other secretly. This primitive was introduced recently by Balfanz, Durfee, Shankar, ...
JCP
2008
13 years 8 months ago
2008
Trusted computing platforms have been proposed as a promising approach to enhance the security of general-purpose computing systems. Direct Anonymous Attestation(DAA) is a scheme t...
ASIACRYPT
2001
Springer
14 years 29 days ago
2001
Springer
Abstract. Semantic security against chosen-ciphertext attacks (INDCCA) is widely believed as the correct security level for public-key encryption scheme. On the other hand, it is o...