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INFOCOM
2008
IEEE
14 years 5 months ago
Spatial Signatures for Lightweight Security in Wireless Sensor Networks
Abstract— This paper experimentally investigates the feasibility of crypto-free communications in resource-constrained wireless sensor networks. We exploit the spatial signature ...
Lifeng Sang, Anish Arora
ISW
2004
Springer
14 years 4 months ago
How to Break and Repair a Universally Composable Signature Functionality
Abstract. Canetti and Rabin recently proposed a universally composable ideal functionality FSIG for digital signatures. We show that this functionality cannot be securely realized ...
Michael Backes, Dennis Hofheinz
EUROCRYPT
2006
Springer
14 years 2 months ago
Composition Implies Adaptive Security in Minicrypt
To prove that a secure key-agreement protocol exists one must at least show P = NP. Moreover any proof that the sequential composition of two non-adaptively secure pseudorandom fun...
Krzysztof Pietrzak
SASN
2005
ACM
14 years 4 months ago
Key distribution and update for secure inter-group multicast communication
Group communication has become an important component in wireless networks. In this paper, we focus on the environments in which multiple groups coexist in the system, and both in...
Weichao Wang, Bharat K. Bhargava
CTRSA
2009
Springer
179views Cryptology» more  CTRSA 2009»
14 years 5 months ago
Adaptively Secure Two-Party Computation with Erasures
In the setting of multiparty computation a set of parties with private inputs wish to compute some joint function of their inputs, whilst preserving certain security properties (l...
Andrew Y. Lindell