352 search results - page 24 / 71 » Distributing Key Updates in Secure Dynamic Groups |
SASN
2005
ACM
14 years 1 months ago
2005
ACM
Pairwise key establishment is a fundamental service provided in secure sensor networks. However, due to resource constraints, establishing pairwise keys is not a trivial task. Rec...
OTM
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Recent contributions have uncovered the potential of network coding, i.e. algebraic mixing of multiple information flows in a network, to provide enhanced security in pa...
IASTEDSE
2004
13 years 9 months ago
2004
The existence of a central security authority is too restrictive for pervasive computing environments. Existing distributed security schemes fail in a pervasive computing environm...
AINA
2007
IEEE
14 years 2 months ago
2007
IEEE
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
ICPP
2005
IEEE
14 years 1 months ago
2005
IEEE
Security in collaborative groups is an active research topic and has been recognized by many organizations in the past few years. In this paper, we propose a fine-grained and attr...